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Positional Body Composition of Female Division I Collegiate Volleyball Players
Katie L Bisch1, Tyler A Bosch2, Aaron Carbuhn3
1School of Kinesiology, University of Minnesota, Minneapolis, Minnesota.
Journal of Strength and Conditioning Research
|October 26, 2020
Summary
Female collegiate volleyball players show positional body composition differences. Front row players have greater lean mass and bone density, while back row players have more upper body mass.
Area of Science:
- Sports Science
- Human Physiology
- Biomechanics
Background:
- Understanding body composition in elite athletes is crucial for performance optimization.
- Collegiate volleyball involves distinct player roles with potential for position-specific physiological adaptations.
Purpose of the Study:
- To investigate positional differences in body composition among female NCAA Division I volleyball players.
- To establish normative age-related body composition curves for these athletes.
Main Methods:
- Dual X-ray absorptiometry (DXA) was used to assess body composition in 90 female volleyball players across 4 positions.
- Measurements included total and regional fat mass (FM), lean mass (LM), bone mineral density (BMD), and visceral adipose tissue.
- Body mass distribution ratios were calculated, and age-related analyses were performed on a subset.
Main Results:
- Front row players (middle blockers, outside hitters) exhibited significantly higher LM and BMD compared to non-front row players (setters, liberos).
- Player height significantly influenced total LM.
- Front row players displayed lower mass distribution ratios, indicating more even upper/lower body mass distribution than back row players.
Conclusions:
- Positional differences in body composition exist in female collegiate volleyball players, potentially linked to role-specific demands.
- Higher BMD in front row players may result from repeated jumping and impact.
- Lean mass index and fat mass index showed minimal age-related changes within the observed career span.
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