Stationary training equipment - Part 1: General safety requirements and test methods (ISO 20957-1:2024)

This document specifies general safety requirements and test methods for indoor stationary training equipment. Other parts of the ISO 20957 series can modify the requirements contained in this document. This document also covers environmental aspects.
It also specifies a classification system (see Clause 4).
This document is applicable to all stationary training equipment. This includes equipment for use in training areas of organizations such as sport associations, educational establishments, hotels, sport halls, clubs, rehabilitation centres and studios (classes S and I) where access and control is specifically regulated by the owner (person who has the legal responsibility), equipment for domestic use (class H) and other types of equipment including motor driven equipment as defined in 3.1.
The requirements of other parts of the ISO 20957 series take priority over the corresponding requirements of this general standard.
This document does not apply to stationary training equipment intended for outdoor use. It also does not apply to stationary training equipment intended for use by children under the age of 14 years, unless such stationary training equipment is intended for educational purposes in schools and other pedagogical contexts for children under the supervision of a qualified adult instructor.

Stationäre Trainingsgeräte - Teil 1: Allgemeine sicherheitstechnische Anforderungen und Prüfverfahren (ISO 20957-1:2024)

Dieses Dokument legt allgemeine sicherheitstechnische Anforderungen und Prüfverfahren für stationäre Trainingsgeräte für den Innenbereich fest. Andere Teile der Normenreihe ISO 20957 können die in diesem Dokument enthaltenen Anforderungen ändern. Dieses Dokument umfasst auch Umweltaspekte.
Es legt auch eine Klassifizierung fest (siehe Abschnitt 4).
Dieses Dokument ist für alle stationären Trainingsgeräte anwendbar. Dies schließt Geräte für die Verwendung in Übungsbereichen von Einrichtungen, wie z. B. Sportvereinen, Bildungseinrichtungen, Hotels, Sporthallen, Clubs, Rehabilitationszentren und Studios (Klassen S und I) ein, deren Zugang und Aufsicht speziell vom Eigentümer (Person, die die gesetzliche Verantwortung trägt) geregelt sind, Geräte für die Verwendung im Heimbereich (Klasse H) sowie andere Gerätetypen, einschließlich Geräte mit Motorantrieb nach der Definition in 3.1.
Die Anforderungen der anderen Teile der Normenreihe ISO 20957 haben Vorrang vor den entsprechenden Anforderungen dieser allgemeinen Norm.
Dieses Dokument ist nicht anwendbar für stationäre Trainingsgeräte, die für den Einsatz im Außenbereich bestimmt sind. Es ist ebenfalls nicht anwendbar für stationäre Trainingsgeräte, die für eine Nutzung durch Kinder unter 14 Jahren vorgesehen sind, außer wenn diese stationären Trainingsgeräte für Bildungszwecke in Schulen und anderen pädagogischen Umgebungen für Kinder unter Aufsicht eines qualifizierten erwachsenen Betreuers vorgesehen sind.

Équipement d'entraînement fixe - Partie 1: Exigences générales de sécurité et méthodes d'essai (ISO 20957-1:2024)

Le présent document spécifie les exigences générales de sécurité et les méthodes d'essai relatives aux appareils d'entraînement fixes d'intérieur. D’autres parties de la série ISO 20957 peuvent modifier les exigences qu’il contient. Le présent document couvre également les aspects environnementaux.
Il spécifie également un système de classification (voir Article 4).
Le présent document s'applique à tous les appareils d'entraînement fixes. Sont concernés les appareils destinés à être utilisés dans les zones d'exercice d'organismes tels que les associations sportives, les établissements scolaires, les hôtels, les salles de sport, les clubs, les centres de rééducation et les établissements sportifs ouverts au public (classes S et I) où leur accès et la surveillance sont expressément réglementés par le propriétaire (personne légalement responsable), les appareils destinés à une utilisation à domicile (classe H), ainsi que tous les autres types d'appareils, y compris ceux qui sont motorisés, définis en 3.1.
Les exigences d’autres parties de la série ISO 20957 prévalent sur les exigences correspondantes de cette norme générale.
Le présent document ne s'applique pas aux appareils d'entraînement fixes destinés à une utilisation en extérieur. Il ne s’applique pas non plus aux appareils d'entraînement fixes destinés à être utilisés par des enfants âgés de moins de 14 ans, sauf si ces appareils d'entraînement fixes sont destinés à être utilisés à des fins éducatives dans des écoles et dans d'autres contextes pédagogiques, par des enfants sous la surveillance d'un professeur adulte qualifié.

Nepremična oprema za vadbo - 1. del: Splošne varnostne zahteve in preskusne metode (ISO 20957-1:2024)

Ta dokument določa splošne varnostne zahteve in preskusne metode za nepremično opremo za vadbo v zaprtih prostorih. Drugi deli skupine standardov ISO 20957 lahko spremenijo zahteve v tem dokumentu. Ta dokument obravnava tudi okoljske vidike.
Določa tudi sistem razvrščanja (glej točko 4).
Ta dokument se uporablja za vso nepremično opremo za vadbo. Med to spada oprema za uporabo v prostorih za vadbo ustanov, kot so športna združenja, izobraževalne ustanove, hoteli, športne dvorane, klubi, rehabilitacijska središča in studii (razreda S in I), pri čemer dostop in nadzor izrecno ureja lastnik (oseba s pravno odgovornostjo), oprema za domačo uporabo (razred H) ter druge vrste opreme, vključno z opremo na motorni pogon, kot je opredeljeno v točki 3.1.
Zahteve drugih delov skupine standardov ISO 20957 imajo prednost pred ustreznimi zahtevami tega splošnega standarda.
Ta dokument se ne uporablja za nepremično opremo za vadbo na prostem. Prav tako se ne uporablja za nepremično opremo za vadbo, ki je namenjena otrokom, mlajšim od 14 let, razen če je tovrstna nepremična oprema za vadbo namenjena za izobraževalne namene v šolah in drugih pedagoških dejavnostih za otroke pod nadzorom usposobljenega odraslega inštruktorja.

General Information

Status
Published
Publication Date
10-Dec-2024
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
11-Dec-2024
Due Date
26-Apr-2024
Completion Date
11-Dec-2024

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Standard
EN ISO 20957-1:2025
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Standards Content (Sample)


SLOVENSKI STANDARD
01-marec-2025
Nadomešča:
SIST EN ISO 20957-1:2013
Nepremična oprema za vadbo - 1. del: Splošne varnostne zahteve in preskusne
metode (ISO 20957-1:2024)
Stationary training equipment - Part 1: General safety requirements and test methods
(ISO 20957-1:2024)
Stationäre Trainingsgeräte - Teil 1: Allgemeine sicherheitstechnische Anforderungen und
Prüfverfahren (ISO 20957-1:2024)
Équipement d'entraînement fixe - Partie 1: Exigences générales de sécurité et méthodes
d'essai (ISO 20957-1:2024)
Ta slovenski standard je istoveten z: EN ISO 20957-1:2024
ICS:
97.220.30 Oprema za dvoranske športe Indoor sports equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 20957-1
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2024
EUROPÄISCHE NORM
ICS 97.220.30 Supersedes EN ISO 20957-1:2013
English Version
Stationary training equipment - Part 1: General safety
requirements and test methods (ISO 20957-1:2024)
Équipement d'entraînement fixe - Partie 1: Exigences Stationäre Trainingsgeräte - Teil 1: Allgemeine
générales de sécurité et méthodes d'essai (ISO 20957- sicherheitstechnische Anforderungen und
1:2024) Prüfverfahren (ISO 20957-1:2024)
This European Standard was approved by CEN on 26 November 2024.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 20957-1:2024 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Annex ZA (informative) Relationship between this European Standard and the safety
requirements of Directive 2001/95/EC aimed to be covered . 4
European foreword
This document (EN ISO 20957-1:2024) has been prepared by Technical Committee ISO/TC 83 "Sports
and other recreational facilities and equipment" in collaboration with Technical Committee CEN/TC
136 “Sports, playground and other recreational facilities and equipment” the secretariat of which is held
by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by June 2025, and conflicting national standards shall be
withdrawn at the latest by June 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 20957-1:2013.
This document has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
For the relationship with EU Legislation, see informative Annex ZA, which is an integral part of this
document.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 20957-1:2024 has been approved by CEN as EN ISO 20957-1:2024 without any
modification.
Annex ZA
(informative)
Relationship between this European Standard and the safety requirements
of Directive 2001/95/EC aimed to be covered
This European Standard has been prepared under a Commission’s standardization request
Standardisation mandate issued to the European standardisation organisations (ESOs) to develop
European standards for stationary training equipment “M/506” to provide one voluntary means of
conforming to the safety requirements of Commission Decision (EU) No 476/2011 of 27 July 2011
implementing General Product Safety Directive 2001/95/EC of the European Parliament and of the
Council with regard to safety requirements for stationary training equipment.
Once this standard is cited in the Official Journal of the European Union under that Directive
2001/95/EC, compliance with the normative clauses of this standard given in Table ZA.1 confers,
within the limits of the scope of this standard, a presumption of conformity with the corresponding
safety requirements of that Directive and associated EFTA regulations.
Table ZA.1 — Correspondence between this European Standard and Commission Decision (EU)
No 476/2011 of 27 July 2011 implementing Directive 2001/95/EC of the European Parliament
and of the Council with regard to safety requirements for stationary training equipment and
Commission’s standardization request Standardisation mandate issued to the European
standardisation organisations (ESOs) to develop European standards for stationary training
equipment ‘M/506’
Safety Requirements of Clause(s)/sub-
Remarks/Notes
EC Decision (EU) No 476/2011 clause(s) of this EN
I. Product and product definition 1, 3, 4
II. A General safety requirements 4.1, 5.1
II. B. Specific safety requirements
(a) Stability of free-standing equipment 5.2
(b) Sharp edges and burrs 5.3.2
(c) Tube ends 5.3.3
Squeeze, shear, rotating and 5.3.4
(d) reciprocating points within the
accessible area
(e) Weights 5.3.5
(f) Equipment access and escape 5.4
(g) Adjustment and locking mechanisms 5.5
(h) Ropes, belts and chains 5.6
(i) Wire ropes and pulleys 5.6.1
(j) Rope and belt guides 5.6.3
Safety Requirements of Clause(s)/sub-
Remarks/Notes
EC Decision (EU) No 476/2011 clause(s) of this EN
(k) Pull-in points 5.7
(l) Gripping positions 5.8.1
(m) Integral handgrips 5.8.1
(n) Applied handgrips 5.8.2
(o) Rotating handgrips 5.8.3
(p) Electrical safety 5.12
(q) Care and maintenance 5.14
(r) Assembly instructions 5.15
(s) General instructions for use 5.16
(t) Basic biomechanical requirements 5.16
(u) Marking 5.17
Warnings, especially concerning risks 5.14, 5.15, 5.16, 5.17.2
(v)
for children
Immobilisation unit especially for not applicable
(w)
children by locking the power out
II. B. Tests
(a) Dimensional check 6.3.3
(b) Visual examination 6.4, 6.5
(c) Tactile examination 6.3.1
(d) Performance test
(e) Manufacturer’s certificate 6.16
(f) Testing of pull-in points 6.3.5
(g) Test conditions 6.1
(h) Stability test 6.2
Determination of breaking load of 6.6
(i)
ropes, belts and chains
(j) Testing of flywheels 6.3.5, 5.7
Determination of the removing force of 6.9
(k)
applied handgrips
(l) Testing of access/escape 6.4
(m) Testing of endurance load 6.11
(n) Testing of heart rate control mode 6.14
Testing of accuracy of the power
(o)
readouts
(p) 6.16
Assessment of the instructions and
Safety Requirements of Clause(s)/sub-
Remarks/Notes
EC Decision (EU) No 476/2011 clause(s) of this EN
warnings
(q) Test report 6.17
WARNING 1 Presumption of conformity stays valid only as long as a reference to this European
Standard is maintained in the list published in the Official Journal of the European Union. Users of this
standard should consult frequently the latest list published in the Official Journal of the European
Union.
WARNING 2 Other Union legislation may be applicable to the products falling within the scope of
this standard.
International
Standard
ISO 20957-1
Third edition
Stationary training equipment —
2024-11
Part 1:
General safety requirements and
test methods
Équipement d'entraînement fixe —
Partie 1: Exigences générales de sécurité et méthodes d'essai
Reference number
ISO 20957-1:2024(en) © ISO 2024

ISO 20957-1:2024(en)
© ISO 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 20957-1:2024(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Classification . 3
4.1 General .3
4.2 Accuracy classes.3
4.3 Usage classes .3
5 Safety requirements. 4
5.1 General .4
5.2 Stability .4
5.3 External construction .4
5.3.1 General .4
5.3.2 Edges and corners .4
5.3.3 Tube ends .4
5.3.4 Squeeze and shear points .5
5.3.5 Weights and other resistance means .5
5.4 Entrapment of the user .5
5.5 Adjustment components and locking mechanisms.5
5.6 Ropes, belts, chains and attachment components .6
5.6.1 General .6
5.6.2 Ropes and belts .6
5.6.3 Rope and belt guides .6
5.7 Pull-in points .6
5.7.1 General .6
5.7.2 Pulleys.6
5.7.3 Chains, gears and sprockets .6
5.8 Hand grips .7
5.8.1 Integral handgrips .7
5.8.2 Applied handgrips .7
5.8.3 Rotating handgrips .7
5.9 Endurance .7
5.10 Isometric test function .7
5.11 Heart rate measurement system .7
5.11.1 Indication .7
5.11.2 Heart rate control mode .7
5.12 Electrical safety .8
5.13 Loading .8
5.14 Care and maintenance .8
5.15 Assembly instructions .9
5.16 General instructions for use .9
5.17 Marking .10
5.17.1 Permanent marking .10
5.17.2 Additional marking .10
6 Test methods . 10
6.1 Test conditions .10
6.2 Stability test .11
6.2.1 Test in training position . .11
6.2.2 Test in folded or storage position .11
6.3 External construction .11
6.3.1 Test of edges and corners .11
6.3.2 Tube ends .11

iii
ISO 20957-1:2024(en)
6.3.3 Testing of squeeze points and shear points.11
6.3.4 Weights and other resistant means .11
6.3.5 Testing of pull-in points .11
6.4 Testing of entrapment . 12
6.5 Adjustment components and locking mechanisms. 12
6.6 Tests for ropes, belts, chains and attachment components . 12
6.7 Testing of rope and belt guides . 12
6.8 Testing of integral handgrips . 12
6.9 Testing of applied handgrips . 13
6.10 Testing of rotating handgrips . . 13
6.11 Testing of endurance load . 13
6.12 Testing of isometric equipment . 13
6.13 Testing of indicator of the heart rate measurement system. 13
6.14 Testing of the heart rate control mode . 13
6.15 Load testing . 13
6.16 Testing of care and maintenance, assembly instructions, general instructions for use
and marking .14
6.17 Test report .14
Annex A (informative) Examples for carrying out load testing .15
Bibliography .18

iv
ISO 20957-1:2024(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 83, Sports and other recreational facilities and
equipment, in collaboration with the European Committee for Standardization (CEN) Technical Committee
CEN/TC 136, Sports, playground and other recreational facilities and equipment, in accordance with the
Agreement on technical cooperation between ISO and CEN (Vienna Agreement).
This third edition cancels and replaces the second edition (ISO 20957-1:2013), which has been technically
revised.
The main changes are as follows:
— Clause 2 was updated;
— Clause 3 was updated by removing, renaming, and adding entries;
— Clause 5 was updated so that 5.3.4 combines requirements for squeeze and shear points and 5.13
combines loading requirements;
— Clause 6 was updated so that 6.15 creates a single test method for loading testing;
— Annex A was added to provide informative examples for carrying out load testing.
A list of all parts in the ISO 20957 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.

v
ISO 20957-1:2024(en)
Introduction
This document specifies safety requirements that are applicable to all stationary training equipment. For
specific types of equipment these requirements are supplemented or modified by the requirements of the
other parts of the ISO 20957 series.
This document should be used in conjunction with the other parts of the ISO 20957 series.

vi
International Standard ISO 20957-1:2024(en)
Stationary training equipment —
Part 1:
General safety requirements and test methods
1 Scope
This document specifies general safety requirements and test methods for indoor stationary training
equipment. Other parts of the ISO 20957 series can modify the requirements contained in this document.
This document also covers environmental aspects.
It also specifies a classification system (see Clause 4).
This document is applicable to all stationary training equipment. This includes equipment for use in training
areas of organizations such as sport associations, educational establishments, hotels, sport halls, clubs,
rehabilitation centres and studios (classes S and I) where access and control is specifically regulated by the
owner (person who has the legal responsibility), equipment for domestic use (class H) and other types of
equipment including motor driven equipment as defined in 3.1.
The requirements of other parts of the ISO 20957 series take priority over the corresponding requirements
of this general standard.
This document does not apply to stationary training equipment intended for outdoor use. It also does
not apply to stationary training equipment intended for use by children under the age of 14 years, unless
such stationary training equipment is intended for educational purposes in schools and other pedagogical
contexts for children under the supervision of a qualified adult instructor.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes
requirements of this document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
ISO 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk reduction
IEC 60335-1:2023, Household and similar electrical appliances — Safety — Part 1: General requirements
IEC 60601-1:2006, Medical electrical equipment — Part 1: General requirements for basic safety and essential
performance
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/

ISO 20957-1:2024(en)
3.1
stationary training equipment
equipment that is not moved as a unit during use and either stands freely on the floor or is attached to a
floor, wall, ceiling or other fixed structure
Note 1 to entry: Stationary training equipment can be used for example for the following:
a) body building or body shaping;
b) health/fitness training;
c) physical education;
d) training specific to competition and related sports activities;
e) preventive treatment and rehabilitation.
3.2
training area
area occupied by the user and the equipment while exercising over the full range of movement (3.5)
3.3
free area
area in addition to the training area (3.2) which is required for the user or third party to access the equipment
and/or conduct an emergency dismount outside the full range of movement (3.5)
3.4
accessible hand and foot area
area accessible to the hand or foot of either a user or a third party when the equipment is in normal use,
during exercise set-up, grasping, adjusting the equipment or the position of the body for exercise
3.5
range of movement
space in which the user or part of the equipment is moving according to the instructions given in the
user's manual
3.6
body mass
maximum specified user mass as described in the user's manual or 100 kg, whichever is greater
3.7
maximum training load
maximum load specified by the manufacturer in the user's manual and in the marking
3.8
heart rate control mode
programme that allows the user to maintain training with a predetermined heart rate level by adjusting the
loading parameters automatically to the user's heart rate response
Note 1 to entry: Loading parameters can be resistance or speed or incline or a combination of these.
3.9
heart rate measurement system
system which displays the heart rate of the user
3.10
display
device that provides information to the user
3.11
squeeze point
place where parts of the equipment can move against each other, or against a fixed area, which can result in
parts of user's or third person's body being crushed

ISO 20957-1:2024(en)
3.12
shear point
place where part of the equipment can move past a fixed or moving part, or past a fixed area, which can
result in parts of user's or third person's body being cut
3.13
cycle
movement associated to one complete operation of a single component from start to start of a repetitive process
EXAMPLE A typical component is a pedal, handlebar or seat.
3.14
most onerous position
position that maximizes the likelihood of a negative outcome
EXAMPLE The most onerous position in the case of stability is the orientation of the equipment in which it is least
stable, i.e. the centre of gravity of the equipment is as high as possible and/or outside or as close as possible to the edge
of equipment’s base while the equipment is placed on a tilted table.
3.15
flywheel
rotating mass designed to create inertia
3.16
guard
barrier between the user and the hazard
3.17
protective cover
cover provided to protect the user from inadvertent access to hazardous parts of the training equipment
Note 1 to entry: Hazardous parts include moving parts, gear systems, hot surfaces, etc.
4 Classification
4.1 General
Equipment shall be classified in accordance with accuracy and usage classes as described in 4.2 and 4.3.
If the intended use of the equipment is for more than one usage class, it shall fulfil the requirements of each class.
4.2 Accuracy classes
Accuracy classes only apply to equipment which display training data.
NOTE The requirements of accuracy classes are shown in the additional parts of the standard series ISO 20957.
4.2.1 Class A: high accuracy.
4.2.2 Class B: medium accuracy.
4.2.3 Class C: low accuracy.
4.3 Usage classes
4.3.1 Class S (studio): professional and/or commercial use.

ISO 20957-1:2024(en)
NOTE 1 Such stationary training equipment is intended for use in training areas of organizations such as sport
associations, educational establishments, hotels, clubs and studios, where access and control are specifically regulated
by the owner (person who has the legal responsibility).
4.3.2 Class H (home): domestic use.
NOTE 2 Such stationary training equipment is intended for use in private homes where access to the equipment is
regulated by the owner (person who has the legal responsibility).
4.3.3 Class I: professional and/or commercial use provided for inclusive use for people with special needs
(e.g. visual, hearing, physical or learning disabilities).
Such equipment shall also be in accordance with class S requirements.
NOTE 3 Such stationary training equipment is intended for use in training areas of organizations such as sport
associations, educational establishments, hotels, clubs, rehabilitation centres and studios, where access and control
are specifically regulated by the owner (person who has the legal responsibility).
5 Safety requirements
5.1 General
If any of the following safety requirements are applicable, the equipment shall meet the requirements using
the test methods described in Clause 6.
5.2 Stability
The stationary training equipment shall be stable in any direction, in training, folding and storage positions.
The test shall be in accordance with 6.2.
5.3 External construction
5.3.1 General
Equipment shall be free of burrs.
Test shall be in accordance with 6.3.1.
5.3.2 Edges and corners
All edges and corners of surfaces supporting bodies shall have a radius r ≥ 2,5 mm. All edges within the
accessible hand and foot area shall be rounded or protected.
Test shall be in accordance with 6.3.1.
5.3.3 Tube ends
All tube ends within the accessible hand and foot area shall be closed off, for example by parts of the
equipment or by plugs.
If plugs are used, they shall remain in position at the end of the endurance load test, as described in the
relevant part(s) of the ISO 20957 series. If no endurance test is described in the applicable part, the pull-out
force of the plug shall be ≥ 20 N.
Test shall be in accordance with 6.3.2.

ISO 20957-1:2024(en)
5.3.4 Squeeze and shear points
Squeeze points and/or shear points within the accessible hand and foot area, whether between moving
parts, between moving parts and fixed parts, or between a moving part and the floor, shall be guarded by a
protective cover or shall have a minimum clearance of at least 60 mm, with the following exceptions.
a) If only the fingers are at risk, the distance shall be at least 25 mm.
b) If third party access is prevented by the user's body position, and where the user is able to immediately
stop the movement, the distance shall be at least 25 mm.
c) If the distance between the moving part and the fixed part, or between two moving parts, does not
change during use or setup, the distance shall be greater than 25 mm or less than 9,5 mm.
d) If the angle between two adjacent moving parts or between a rigid part and an adjacent moving part is
always 50 degrees or greater, it is not considered a shear point.
e) Open and obvious stops are excluded; however, if the stop is the part which is moving, then it shall pass
no closer than 25 mm from any fixed frame member throughout its range of movement.
f) If the following three requirements are simultaneously met during folding and unfolding, it is not
considered a squeeze or shear point.
1) Inadvertent movement is not possible during folding, unfolding, transportation and/or storage.
2) Access to squeeze points and shear points remains at all times in the user's field of vision.
3) The user can stop the motion at any time.
Test shall be in accordance with 6.3.3.
5.3.5 Weights and other resistance means
The range of motion of all weights attached to the stationary training equipment shall be limited to that
required to perform the exercise.
Weights and other resistance means with stored energies (e.g. bungee cords, elastic tubes, springs) shall
move freely and return to the starting point.
Weights shall be securely retained during use.
Test shall be in accordance with 6.3.4.
5.4 Entrapment of the user
Users shall be able to exit the equipment when using it according to the user's manual. If necessary, means of
escape shall be provided.
Test shall be in accordance with 6.4.
5.5 Adjustment components and locking mechanisms
Adjustment components and locking mechanisms on the stationary training equipment shall function
securely and be conspicuous, self-evident and safely accessible to the user.
The possibility of unintended movement should be avoided.
Adjustment components and locking mechanisms, for example knobs and levers, shall not interfere with the
user's range of movement.
Weight selection pins shall be fitted with a retention device to prevent unintended change or movement
during the exercise.
ISO 20957-1:2024(en)
Test shall be in accordance with 6.5.
5.6 Ropes, belts, chains and attachment components
5.6.1 General
Ropes, belts, chains and their attachment components (e.g. snap links, shackles, carabiners, clamps or
similar) shall withstand tension equal to 6 times the maximum possible tension that can be developed.
The design of the pulleys and the bending radius should be in accordance with the applicable requirements
of the rope, belt or chain manufacturers.
After the test, the training equipment shall not be broken or have visible signs of fracture or cracking and
shall still function as intended by the manufacturer.
Test shall be in accordance with 6.6.
5.6.2 Ropes and belts
Rope and belt ends shall be, as a minimum, flush with the end of the termination means and shall be visible
for inspection.
Pressed connections shall not be subjected to bending.
Rope and belt ends and grips shall have no sharp edges or frayed ends.
Test shall be in accordance with 6.6.
5.6.3 Rope and belt guides
A means shall be provided to prevent a rope or a belt becoming unintentionally disengaged during use or set-up.
Test shall be in accordance with 6.7.
5.7 Pull-in points
5.7.1 General
The test finger (see Figure 1) shall not become trapped.
Test shall be in accordance with 6.3.5.1.
5.7.2 Pulleys
Pull-in points of rope or belt drives up to 1 800 mm height shall be guarded, except
a) if the surface pressure is ≤ 90 N/cm , or
b) when access to the pull-in point is prevented by the user's body during exercising.
If a guard is required, the angle between the rope or belt and the guard shall be ≥ 50° in all positions. The
guard shall not rotate around the axis of the pulley as the pulley rotates.
Test shall be in accordance with 6.3.5.2.
5.7.3 Chains, gears and sprockets
Pull-in points for chains, gears and sprockets shall be protected in accordance with ISO 12100:2010.
Test shall be in accordance with 6.3.5.3.

ISO 20957-1:2024(en)
5.8 Hand grips
5.8.1 Integral handgrips
Gripping positions shall be easily identifiable and designed to reduce slipping (e.g. textured, coated, knurled).
Test shall be in accordance with 6.8.
5.8.2 Applied handgrips
Applied handgrips shall not be removed. Applied handgrips shall be equipped with a surface that reduces
hand slip.
Test shall be in accordance with 6.9.
5.8.3 Rotating handgrips
Rotating handgrips shall be secured during use and shall be designed to reduce slipping (e.g. textured).
Test shall be in accordance with 6.10.
5.9 Endurance
The training equipment shall withstand for:
a) class H: 12 000 cycles;
b) class S: 100 000 cycles;
After the test, the training equipment shall not be broken or have visible signs of fracture or cracking and
shall still function as intended by the manufacturer.
Test shall be in accordance with 6.11.
5.10 Isometric test function
Stationary training equipment designed to per
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