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Do Lower-Body Dimensions and Body Composition Explain Vertical Jump Ability?

Johnpaul Caia1, Lawrence W Weiss, Loren Z F Chiu

  • 11School of Human Movement and Nutrition Sciences, University of Queensland, St. Lucia, Queensland, Australia; 2Musculoskeletal Analysis Laboratory, The University of Memphis, Memphis, Tennessee; and 3Neuromusculoskeletal Mechanics Research Program, University of Alberta, Edmonton, Alberta, Canada.

Journal of Strength and Conditioning Research
|March 8, 2016
PubMed
Summary
This summary is machine-generated.

Body composition, particularly body fat percentage (BF%), significantly impacts vertical jump (VJ) performance more than lower-body dimensions. BF% and either sex or body weight best explain VJ ability, suggesting limited utility of specific lower-body measurements.

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Area of Science:

  • Sports Science
  • Biomechanics
  • Anthropometry

Background:

  • Vertical jump (VJ) ability is crucial for success in many sports.
  • Understanding factors influencing VJ can aid talent identification and training.
  • Previous research has explored various determinants of jump performance.

Purpose of the Study:

  • To determine if lower-body dimensions and body composition explain variability in vertical jump performance.
  • To identify which anthropometric factors are most predictive of VJ ability.
  • To assess the utility of specific measurements in predicting jump performance.

Main Methods:

  • Fifty university students (25 men, 25 women) participated.
  • Measurements included body fat percentage (BF%), height, weight, hip width, pelvic width, Q-angle, and limb/foot dimensions.
  • Participants performed countermovement vertical jumps.

Main Results:

  • Body fat percentage (BF%) showed the highest correlation with VJ displacement (r = -0.76).
  • The quadriceps angle (Q-angle) had the strongest association among lower-body dimensions (r = -0.58).
  • BF% combined with sex or body weight explained the most variance (66%) in VJ performance.

Conclusions:

  • Body fat percentage is a primary predictor of vertical jump performance.
  • Lower-body dimensions, including Q-angle, have limited utility in explaining VJ ability compared to BF%, sex, and body weight.
  • Training interventions should consider body composition as a key factor for improving VJ.