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Application of a jump test with increasing weights to evaluate the relation between strength-speed and potency

Application of a jump test with increasing weights to evaluate the relation between strength-speed and potency

Naclerio, Fernando ORCID: 0000-0001-7405-4894, Rodriguez, G and Colado, J C (2008) Application of a jump test with increasing weights to evaluate the relation between strength-speed and potency. Fitness and Performance Journal, 7 (5). pp. 295-300. ISSN 1519-9088 (Print), 1676-5133 (Online) (doi:10.3900/fpj.7.5.295.e)

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Abstract

The objective of this study was to analyze the differences between heights or potencies produced in a jump test using different percentages of a Maximum Repetition (1MR), as well as identifying weight zones where the high potencies and those where it is not possible to jump are reached. Materials and Methods: 14 athletes of different specialties accomplished a jump test with increasing weights, determining the overload level based on the value of 1MR, previously measured in the squat exercise with free bar. Results: The obtained results indicated that, when jumping with percentages under 40%, highest heights and potencies can be reached, being them significantly different (p<0,05) from the ones produced with percentages over 60% of 1MR. Moreover, when jumping with weights between 41% -50% and 51%-60% of 1MR, even if they do not observe significant differences, losses of potency superior to 10% and 20%, respectively are determined. Discussion: In accordance with these results, when accomplishing explosive exercises with different weight percentages, it is possible to distinguish three zones of work: Zone one or explosive strength (<40%-60%), Zone 2 or high average strength (<60 -90%) and Zone 3 or of maximum strength (>90%).

Item Type: Article
Uncontrolled Keywords: Muscle Strength, Physical Education and Training.
Faculty / Department / Research Group: Faculty of Engineering & Science
Last Modified: 19 Oct 2016 13:22
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/12344

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