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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2503.13040 |
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| _version_ | 1866909539460186112 |
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| author | Peyen, Jean C. Nuermaimaiti, Ruheyan Cunningham, Joshua |
| author_facet | Peyen, Jean C. Nuermaimaiti, Ruheyan Cunningham, Joshua |
| contents | Maximal strength increases with body weight, this is why scoring methods have been developed in order to fairly scale powerlifting performances based on athletes' body weight. The International Powerlifting Federation (IPF) Good Lift (GL) system, introduced in 2020, is a scaling method based on a Von Bertalanffy function. It is specifically tailored to elite powerlifters; defined as those achieving at least 84% of the current world record in their weight class, according to the IPF's "Golden Standard". A key assumption of the GL system is a principle of diminishing returns, stating that performance gains decrease as body weight increases. However, data from the Open Powerlifting database reveals the presence of a phase of increasing returns below a certain body weight threshold. To capture this initial phase, we propose a new scoring system based on a logistic function. This approach is designed to establish strength standards for the general population and for athletes not specialised in powerlifting. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_13040 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Discussing Diminishing Returns: A New Scoring System for Powerlifting Peyen, Jean C. Nuermaimaiti, Ruheyan Cunningham, Joshua Applications Maximal strength increases with body weight, this is why scoring methods have been developed in order to fairly scale powerlifting performances based on athletes' body weight. The International Powerlifting Federation (IPF) Good Lift (GL) system, introduced in 2020, is a scaling method based on a Von Bertalanffy function. It is specifically tailored to elite powerlifters; defined as those achieving at least 84% of the current world record in their weight class, according to the IPF's "Golden Standard". A key assumption of the GL system is a principle of diminishing returns, stating that performance gains decrease as body weight increases. However, data from the Open Powerlifting database reveals the presence of a phase of increasing returns below a certain body weight threshold. To capture this initial phase, we propose a new scoring system based on a logistic function. This approach is designed to establish strength standards for the general population and for athletes not specialised in powerlifting. |
| title | Discussing Diminishing Returns: A New Scoring System for Powerlifting |
| topic | Applications |
| url | https://arxiv.org/abs/2503.13040 |