EN ISO 20957-2:2021
(Main)Stationary training equipment - Part 2: Strength training equipment, additional specific safety requirements and test methods (ISO 20957-2:2020)
Stationary training equipment - Part 2: Strength training equipment, additional specific safety requirements and test methods (ISO 20957-2:2020)
This document specifies additional safety requirements for stationary strength training equipment.
This document is intended to be read in conjunction with the general safety requirements of ISO 20957‑1.
This document is applicable to stationary training equipment type strength training equipment with stacked weight resistance or other means of resistance, such as elastic cords, hydraulic, pneumatic, electrical, magnetic, springs and externally loaded weights (type 2) (hereinafter referred to as training equipment) with the classes H, S and I according to ISO 20957‑1.
NOTE Free-weight barbell racks are subject to the requirements of ISO 20957‑4 and ISO 20957‑1.
Stationäre Trainingsgeräte - Teil 2: Kraft-Trainingsgeräte, zusätzliche besondere sicherheitstechnische Anforderungen und Prüfverfahren (ISO 20957-2:2020)
Dieses Dokument legt weitere sicherheitstechnische Anforderungen an stationäre Kraft Trainingsgeräte fest.
Es ist vorgesehen dieses Dokument in Verbindung mit den allgemeinen sicherheitstechnischen Anforderungen nach ISO 20957-1 anzuwenden.
Dieses Dokument ist anzuwenden für stationäre Trainingsgeräte vom Typ Kraft Trainingsgeräte, bei denen der Widerstand durch Steckgewichte oder andere Widerstandssysteme, wie elastische Bänder, Hydraulik, Pneumatik, Elektronik, Magnetkraft, Federn und extern belastete Gewichte aufgebaut wird (Typ 2) (im Folgenden Trainingsgeräte genannt) der Klassen H, S und I nach ISO 20957-1.
ANMERKUNG Ablagen für Langhanteln mit freien Gewichten unterliegen den Anforderungen nach ISO 20957-4 und ISO 20957-1.
Équipement d'entraînement fixe - Partie 2: Équipement d'entraînement de force, exigences spécifiques de sécurité et méthodes d'essai supplémentaires (ISO 20957-2:2020)
Le présent document spécifie des exigences de sécurité supplémentaires pour les équipements d'entraînement fixes de force.
Le présent document est destiné à être lu conjointement aux exigences de sécurité générales figurant dans l'ISO 20957‑1.
Le présent document s'applique aux équipements d'entraînement fixes de type équipements d'entraînement de force utilisant une résistance à l'aide de piles de poids ou d'autres moyens de résistance comme de la corde élastique, des systèmes hydrauliques, pneumatiques, électriques, magnétiques ou à ressorts et des poids chargés par l'extérieur (type 2) (équipements désignés ci-après par « équipements d'entraînement ») de classes H, S et I, conformément à l'ISO 20957‑1.
NOTE Les supports de poids et d'haltères libres sont soumis aux exigences de l'ISO 20957‑4 et de l'ISO 20957‑1.
Nepremična oprema za vadbo - 2. del: Oprema za vadbo moči, dodatne posebne varnostne zahteve in preskusne metode (ISO 20957-2:2020)
General Information
Relations
Frequently Asked Questions
EN ISO 20957-2:2021 is a standard published by the European Committee for Standardization (CEN). Its full title is "Stationary training equipment - Part 2: Strength training equipment, additional specific safety requirements and test methods (ISO 20957-2:2020)". This standard covers: This document specifies additional safety requirements for stationary strength training equipment. This document is intended to be read in conjunction with the general safety requirements of ISO 20957‑1. This document is applicable to stationary training equipment type strength training equipment with stacked weight resistance or other means of resistance, such as elastic cords, hydraulic, pneumatic, electrical, magnetic, springs and externally loaded weights (type 2) (hereinafter referred to as training equipment) with the classes H, S and I according to ISO 20957‑1. NOTE Free-weight barbell racks are subject to the requirements of ISO 20957‑4 and ISO 20957‑1.
This document specifies additional safety requirements for stationary strength training equipment. This document is intended to be read in conjunction with the general safety requirements of ISO 20957‑1. This document is applicable to stationary training equipment type strength training equipment with stacked weight resistance or other means of resistance, such as elastic cords, hydraulic, pneumatic, electrical, magnetic, springs and externally loaded weights (type 2) (hereinafter referred to as training equipment) with the classes H, S and I according to ISO 20957‑1. NOTE Free-weight barbell racks are subject to the requirements of ISO 20957‑4 and ISO 20957‑1.
EN ISO 20957-2:2021 is classified under the following ICS (International Classification for Standards) categories: 97.220.30 - Indoor sports equipment. The ICS classification helps identify the subject area and facilitates finding related standards.
EN ISO 20957-2:2021 has the following relationships with other standards: It is inter standard links to EN 957-2:2003, EN ISO 20957-2:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN ISO 20957-2:2021 is associated with the following European legislation: EU Directives/Regulations: 2001/95/EC; Standardization Mandates: M/506. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase EN ISO 20957-2:2021 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-september-2021
Nadomešča:
SIST EN 957-2:2003
Nepremična oprema za vadbo - 2. del: Oprema za vadbo moči, dodatne posebne
varnostne zahteve in preskusne metode (ISO 20957-2:2020)
Stationary training equipment - Part 2: Strength training equipment, additional specific
safety requirements and test methods (ISO 20957-2:2020)
Stationäre Trainingsgeräte - Teil 2: Kraft-Trainingsgeräte, zusätzliche besondere
sicherheitstechnische Anforderungen und Prüfverfahren (ISO 20957-2:2020)
Équipement d'entraînement fixe - Partie 2: Équipement d'entraînement de force,
exigences spécifiques de sécurité et méthodes d'essai supplémentaires (ISO 20957-
2:2020)
Ta slovenski standard je istoveten z: EN ISO 20957-2:2021
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 20957-2
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2021
EUROPÄISCHE NORM
ICS 97.220.30 Supersedes EN 957-2:2003
English Version
Stationary training equipment - Part 2: Strength training
equipment, additional specific safety requirements and
test methods (ISO 20957-2:2020)
Équipement d'entraînement fixe - Partie 2: Stationäre Trainingsgeräte - Teil 2: Kraft-
Équipement d'entraînement de force, exigences Trainingsgeräte, zusätzliche besondere
spécifiques de sécurité et méthodes d'essai sicherheitstechnische Anforderungen und
supplémentaires (ISO 20957-2:2020) Prüfverfahren (ISO 20957-2:2020)
This European Standard was approved by CEN on 30 July 2020.
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, Turkey 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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 20957-2:2021 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 20957-2:2021) 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 December 2021, and conflicting national standards
shall be withdrawn at the latest by December 2021.
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 957-2:2003.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association.
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, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 20957-2:2020 has been approved by CEN as EN ISO 20957-2:2021 without any
modification.
INTERNATIONAL ISO
STANDARD 20957-2
Second edition
2020-08
Stationary training equipment —
Part 2:
Strength training equipment,
additional specific safety
requirements and test methods
Équipement d'entraînement fixe —
Partie 2: Équipement d'entraînement de force, exigences spécifiques
de sécurité et méthodes d'essai supplémentaires
Reference number
ISO 20957-2:2020(E)
©
ISO 2020
ISO 20957-2:2020(E)
© ISO 2020
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 2020 – All rights reserved
ISO 20957-2:2020(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Classification . 5
5 Safety requirements . 5
5.1 General . 5
5.2 Stability . 5
5.2.1 General. 5
5.2.2 Externally loaded equipment . 5
5.2.3 User-defined motion equipment . 6
5.3 Loading . 6
5.3.1 Selectorized equipment and alternative resistance training equipment . 6
5.3.2 Externally loaded equipment . 6
5.4 Endurance . 7
5.4.1 General. 7
5.4.2 Additional requirements for externally loaded equipment . 7
5.5 Access to squeeze and/or shear points . 8
5.5.1 Stacked weights or alternative means of resistance . 8
5.5.2 Weight disc clearance for externally loaded weights .13
5.6 Weight disc retention .13
5.7 Entrapment .13
5.8 Pull-in points .13
5.9 Additional instructions for use .14
5.10 Additional marking .15
6 Test methods .15
6.1 General .15
6.1.1 Dimensional check .15
6.1.2 Visual examination .15
6.1.3 Tactile examination.15
6.1.4 Performance test .15
6.2 Stability testing .15
6.2.1 General.15
6.2.2 Externally loaded equipment .15
6.2.3 User-defined motion equipment .16
6.3 Loading test .16
6.3.1 Weight posts intended for training .16
6.3.2 Weight posts intended for storage.16
6.3.3 Extrinsic loading test . .16
6.3.4 Catch mechanisms for guided equipment loading test .17
6.4 Endurance test .17
6.4.1 General.17
6.4.2 Additional requirements for externally loaded equipment .17
7 Test report .17
Bibliography .18
ISO 20957-2:2020(E)
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).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
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, Subcommittee, 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 second edition cancels and replaces the first edition (ISO 20957-2:2005), which has been
technically revised.
The main changes compared to the previous edition are as follows:
— the formulation has been aligned with ISO 20957-1;
— Clause 3 has been updated;
— Clause 5 has been specified and restructured;
— Clause 6 has been specified and restructured;
— additional requirements for externally loaded equipment have been added to Clauses 5 and 6.
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.
iv © ISO 2020 – All rights reserved
INTERNATIONAL STANDARD ISO 20957-2:2020(E)
Stationary training equipment —
Part 2:
Strength training equipment, additional specific safety
requirements and test methods
1 Scope
This document specifies additional safety requirements for stationary strength training equipment.
This document is intended to be read in conjunction with the general safety requirements of ISO 20957-1.
This document is applicable to stationary training equipment type strength training equipment with
stacked weight resistance or other means of resistance, such as elastic cords, hydraulic, pneumatic,
electrical, magnetic, springs and externally loaded weights (type 2) (hereinafter referred to as training
equipment) with the classes H, S and I according to ISO 20957-1.
NOTE Free-weight barbell racks are subject to the requirements of ISO 20957-4 and ISO 20957-1.
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, Safety of machinery — General principles for design — Risk assessment and risk reduction
ISO 20957-1, Stationary training equipment — Part 1: General safety requirements and test methods
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 20957-1 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
3.1
selectorized equipment
strength training equipment where the resistance means is a load that is an integral part of the device
that can be varied by the user without adding or removing components to and from the equipment
Note 1 to entry: An example of equipment where this component is relevant is shown in Figure 1.
ISO 20957-2:2020(E)
Figure 1 — Example of selectorized guided type equipment
3.2
externally loaded equipment
strength training equipment where the main resistance means is a load that is not an integral part of the
device which can be varied by the user by adding or removing components to and from the equipment
Note 1 to entry: Components to be added or removed are, for example, weight discs or bands.
3.3
drop stop
permanent or adjustable constructive element creating a pre-set minimum stop position that provides
the user with clearance to avoid entrapment without any further action of the user
3.4
catch mechanism
rest or holder for a barbell or for a carriage on guided equipment (3.9), which needs to be engaged by the
user, from which the user can begin the exercise motion or end at the completion of the exercise
3.5
work arm
component of strength training equipment that allows the user to activate resistance means for a
specific exercise
Note 1 to entry: An example of equipment where this component is relevant is shown in Figure 2 a).
3.6
training resistance
force or torque exerted by the user to perform the exercise
3.7
weight post
structure protruding from the frame of externally loaded equipment (3.2) for the purpose of holding
weight either for a resistance means or for storage
Note 1 to entry: An example of equipment where this component is relevant is shown in Figure 2 b) and 2 c).
2 © ISO 2020 – All rights reserved
ISO 20957-2:2020(E)
3.8
work arm actuated equipment
equipment where the external load is attached directly or indirectly to a movement mechanism that is
displaced intentionally by the user
Note 1 to entry: An example is shown in Figure 2 a).
3.9
guided equipment
equipment where the external load is placed on a weight post (3.7) affixed to a carriage that is moving
on a guided path
Note 1 to entry: Examples are shown in Figure 2 b) and 2 c). Commonly used names for this equipment are "Smith
press", "Smith Machine" and "multi-press".
Note 2 to entry:
ISO 20957-2:2020(E)
a) Chest press b) Multi press
c) Leg press
Key
1 catch mechanism 5 work arm
2 adjustable dro
...
The EN ISO 20957-2:2021 standard addresses critical safety requirements specifically tailored for stationary strength training equipment. Its scope encompasses equipment utilizing various resistance mechanisms, including stacked weights, elastic cords, hydraulic systems, and more. By focusing on the additional specific safety requirements and test methods, this document ensures a higher standard of safety and reliability in the design and use of strength training equipment. One of the main strengths of this standard is its comprehensive approach to safety. It builds upon the general safety requirements outlined in ISO 20957-1, thereby providing a structured framework that enhances user protection during strength training exercises. This integration ensures that all types of training equipment classified under types H, S, and I meet rigorous safety specifications, which is paramount for facilities catering to diverse user needs. Another notable aspect of the EN ISO 20957-2:2021 standard is its applicability to a wide range of equipment. By including various resistance types, it allows manufacturers to design safer training devices regardless of the technology utilized. This inclusivity not only benefits manufacturers but also significantly increases user confidence in the safety of their training environments. Moreover, the document emphasizes the importance of rigorous testing methods, which are crucial for validating the safety and effectiveness of strength training equipment. The established test methods ensure that the equipment can withstand intended use and potential misuse, further promoting safety in fitness settings. In summary, the EN ISO 20957-2:2021 standard is a vital resource that bolsters safety standards across the fitness industry. Its clear scope, robust safety requirements, and relevant testing protocols make it essential for manufacturers, gym operators, and consumers alike, reinforcing the commitment to providing secure and reliable strength training experiences.
SIST EN ISO 20957-2:2021は、静止トレーニング機器に関する標準の重要な部分であり、特に筋力トレーニング機器に対する追加の具体的な安全要求事項と試験方法を規定しています。この文書は、ISO 20957-1の一般的な安全要求事項と併せて読むべきものであり、明確なガイドラインを提供しています。 この標準の強みは、静止した筋力トレーニング機器の多様性を考慮し、スタックウェイト抵抗や弾性ロープ、油圧、空気圧、電気、磁気、バネ、外部負荷重量（タイプ2）など、さまざまな抵抗手段に対応している点です。これにより、異なるトレーニング設備が一貫した安全基準に従うことができ、利用者の安全を確保するための基盤が強化されます。 さらに、この文書ではH、S、Iの各クラスに分類されるトレーニング機器に特化した要求が設定されており、業界内での透明性と信頼性が向上します。このような明確な分類は、製造者や使用者にとって非常に有益であり、高水準な安全基準を保証するものとなっています。 全体として、SIST EN ISO 20957-2:2021は、筋力トレーニング機器の安全性を向上させるための適切な指針を提供し、実際の使用においてもその有効性が期待できます。この標準は、静止トレーニング機器の安全性を確保する上で、非常に関連性が高く、業界全体において重要な役割を果たすものです。
EN ISO 20957-2:2021은 정지 훈련 장비에 관한 표준으로, 특히 근력 훈련 장비에 대한 추가 안전 요구사항과 시험 방법을 규정하고 있습니다. 이 문서는 ISO 20957-1의 일반 안전 요구사항과 함께 읽히도록 설계되어 있습니다. 표준의 범위는 스택된 중량 저항 또는 탄성 코드, 유압, 공압, 전기, 자력, 스프링 및 외부 하중 중량(유형 2)을 사용하는 정지 훈련 장비에 적용되며, ISO 20957-1에 따라 H, S 및 I 클래스에 해당하는 장비를 포함합니다. 이 표준의 주요 강점은 근력 훈련 장비의 안전성과 관련된 구체적인 요구사항을 명확히 명시함으로써 사용자 보호를 강화하는 데 기여한다는 점입니다. 특히, 다양한 저항 방식을 고려하여 설계된 장비에 대한 포괄적인 안전 기준을 제공하므로, 제조업체와 사용자 모두에게 유용한 참고자료가 됩니다. 또한, 이 표준은 관련된 기존 표준과의 연계를 통해 일관된 시행을 도모합니다. EN ISO 20957-2:2021은 정지 훈련 장비의 안전성을 향상시키고, 적절한 사용을 장려하는 데 필요한 지침을 제공하기 때문에 운동 장비 분야에서의 매우 중요한 표준으로 자리 잡고 있습니다. 이는 또한 근력 훈련 장비의 품질 보증 및 사용자 안전을 위해 필수적으로 필요한 문서임을 강조할 수 있습니다.
La norme SIST EN ISO 20957-2:2021 porte sur les équipements de formation stationnaires, en particulier sur les équipements de musculation. Son champ d'application est clairement défini et s'articule autour des exigences de sécurité spécifiques supplémentaires pour ces équipements. Cette norme est essentielle car elle fournit un cadre pour garantir non seulement la sécurité des utilisateurs, mais aussi la fiabilité des appareils de musculation disponibles sur le marché. L'un des principaux points forts de cette norme est qu'elle complète les exigences de sécurité générales décrites dans l'ISO 20957-1. Cela permet d'assurer une approche cohérente et exhaustive de la sécurité dans le domaine de l'équipement de musculation. En précisant ces exigences supplémentaires, la norme contribue à minimiser les risques d'accidents liés à l'utilisation de matériel de musculation et à promouvoir des pratiques d'entraînement sécuritaires. La norme s'applique aux équipements de musculation utilisant diverses méthodes de résistance, y compris des poids empilés, des cordes élastiques et divers systèmes hydrauliques, pneumatiques ou électriques. Cette portée variée reflète la diversité des équipements de musculation disponibles sur le marché et garantit qu’une large gamme d'appareils respectent ces exigences de sécurité. De plus, en intégrant les classes H, S et I selon l'ISO 20957-1, la norme assure une classification appropriée des équipements, facilitant ainsi l'évaluation et le contrôle de leur conformité. En somme, la norme SIST EN ISO 20957-2:2021 est d'une grande pertinence dans le domaine des équipements de musculation, car elle établit des exigences de sécurité précises qui protègent les utilisateurs tout en encourageant la responsabilité des fabricants. Grâce à cette norme, les utilisateurs peuvent avoir confiance en la qualité et la sécurité des appareils de musculation qu'ils utilisent.
Die Norm EN ISO 20957-2:2021 beschäftigt sich mit zusätzlichen spezifischen Sicherheitsanforderungen und Prüfmethoden für stationäre Trainingsgeräte, insbesondere für Krafttrainingsgeräte. Dieses Dokument ist von entscheidender Bedeutung für Hersteller, Betreiber und Anwender von Krafttrainingsgeräten, da es sicherstellt, dass diese Geräte den erforderlichen Sicherheitsstandards entsprechen. Der Umfang der Norm umreißt klar, dass sie für stationäre Trainingsgeräte gilt, die über Gewichtswiderstände oder andere Widerstandsarten wie elastische Bänder, hydraulische, pneumatische, elektrische, magnetische Systeme, Federn und extern beladene Gewichte verfügen. Die Norm bezieht sich auf die Klassifizierungen H, S und I gemäß ISO 20957‑1, was ihre spezifische Relevanz für verschiedene Gerätetypen unterstreicht. Es ist wichtig zu beachten, dass freien Gewichthebehocker den Anforderungen der ISO 20957‑4 sowie der ISO 20957‑1 unterliegen, was die umfassende Abdeckung der Sicherheitsstandards verdeutlicht. Ein herausragendes Merkmal dieser Norm ist ihre genaue Definition der zusätzlichen Sicherheitsanforderungen für Krafttrainingsgeräte. Dadurch wird eine fundierte Basis geschaffen, um die Betriebssicherheit und die Nutzerfreundlichkeit solcher Geräte zu gewährleisten. Die in der Norm festgelegten Prüfmethoden sind essentiell, um die Konformität der Geräte gegenüber den festgelegten Anforderungen zu überprüfen. Dies stärkt nicht nur das Vertrauen der Benutzer in die Sicherheit der Geräte, sondern fördert auch die allgemeine Qualität von Krafttrainingsgeräten auf dem Markt. Die Relevanz der Norm liegt auch in ihrem Beitrag zur Gewährleistung von Benutzerfreundlichkeit und Sicherheit im Bereich des Krafttrainings. Im Zuge der zunehmenden Popularität des Krafttrainings und der damit verbundenen Nutzung verschiedener stationärer Trainingsgeräte ist es unerlässlich, dass die Sicherheitsstandards stetig aktualisiert und angepasst werden. EN ISO 20957-2:2021 spielt dabei eine zentrale Rolle, indem sie aktuelle Sicherheitsaspekte adressiert und somit zur Minimierung von Unfallrisiken beiträgt. Insgesamt stellt die Norm EN ISO 20957-2:2021 eine wesentliche Bereicherung für die Sicherheitsstandards im Bereich stationärer Trainingsgeräte dar. Sie bietet klare Richtlinien und Anforderungen, die für Hersteller und Anwender gleichermaßen von Bedeutung sind, um die Sicherheit und Funktionalität von Krafttrainingsgeräten zu gewährleisten.
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