Performing Nordic hamstring strength testing with additional weight affects the maximal eccentric force measured: do not compare apples to oranges

Autor: Roald Bahr, Merete Møller, Roar Amundsen
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: BMJ Open Sport & Exercise Medicine, Vol 9, Iss 4 (2023)
Druh dokumentu: article
ISSN: 2055-7647
DOI: 10.1136/bmjsem-2023-001699
Popis: Background Nordic hamstring test devices are commonly used to measure maximal eccentric hamstring force. The ability to control the final phase of the exercise has been adopted as a criterion to add weight when testing, without substantial evidence. We investigated if adding weight affected the maximal force measured, and if there were differences between players who could and could not control the final phase.Methods Female (n=84) and male (n=56) football players performed a Nordic hamstring strength test with 0, 5 and 10 kg. We used visual inspection to assess the ability to control the final phase (approximately last 20°), as per previously published studies.Results Maximal force was higher when tested with 5 kg (females: +8 N (2%), p
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