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Relationship Between Body Mass, Peak Power, and Power-to-Body Mass Ratio on Sprint Velocity and Momentum in High-School Football Players

Jalilvand, Farzad, Banoocy, Norbert K., Rumpf, Michael C., Lockie, Robert G.·2019·Journal of Strength and Conditioning Research
DOI 10.1519/jsc.0000000000002808
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Abstract

Jalilvand, F, Banoocy, NK, Rumpf, MC, and Lockie, RG. Relationship between body mass, peak power, and power-to-body mass ratio on sprint velocity and momentum in high-school football players. J Strength Cond Res 33(7): 1871–1877, 2019—The ability to rapidly shift one's body mass horizontally or vertically is common within American football irrespective of field position, and the capacity to generate power is a favorable physical quality. This requires analysis in high-school football players, especially considering the body mass disparities that exist in this population. Sixteen high-school players (7 backs and 9 linemen) completed the vertical jump (VJ) to determine jump height, peak anaerobic power measured in watts (PAPw), and power-to-body mass ratio (P:BM), and a 36.58-m sprint (0–4.57, 0–9.14, and 0–36.58-m intervals) to determine sprint velocity and momentum. Independent-samples t -tests ( p < 0.05) determined differences in these variables between the backs and linemen. Pearson's correlations ( r ; p < 0.05) computed relationships between body mass, VJ height, PAPw, P:BM, with 36.58-m sprint velocity and momentum on the pooled data. Linemen were heavier, and slower in the 36.58-m sprint, but had greater PAPw and sprint momentum compared with backs. Body mass exhibited negative relationships to velocity across all sprint intervals ( r = −0.55 to 0.70), and positive relationships with momentum across all intervals ( r = 0.95–0.96). The VJ correlated with sprint velocity across all intervals ( r = 0.51–0.83), but not momentum. PAPw was positively correlated with body mass and momentum across all intervals ( r = 0.77–0.85), but not velocity. There were significant correlations between P:BM with velocity ( r = 0.51–0.85) and momentum ( r = −0.53–0.62) across all intervals. Heavier high-school players could focus on improving P:BM to positively influence jumping ability and sprint velocity.

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Research works printed but not linked: 37

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Metadata

Authors
Jalilvand, F., Banoocy, N. K., Rumpf, M. C., & Lockie, R. G.
Affiliations
  • Department of Kinesiology, California State University, Northridge, California;
  • School of Medical and Health Sciences, Edith Cowan University, Perth, Australia;
  • Sport Performance Research Institute New Zealand, AUT University, Auckland, New Zealand;
  • Department of Kinesiology, Center for Sport Performance, California State University, Fullerton, Fullerton
Venue
Journal of Strength and Conditioning Research
Publisher
Ovid Technologies (Wolters Kluwer Health)
Published
2019-07
Volume
33
Issue
7
Pages
1871-1877
ISSN
1064-8011
DOI
10.1519/jsc.0000000000002808
Cited by
26
References
1
Language
en

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