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Key Performance Indicators for College American Football Starters: An Exploratory Study
Quincy R Johnson1, Yang Yang1, Dimitrije Cabarkapa1
1Jayhawk Athletic Performance Laboratory-Wu Tsai Human Performance Alliance, Department of Health, Sport and Exercise Sciences, University of Kansas, Lawrence, KS 66045, USA.
Journal of Functional Morphology and Kinesiology
|January 23, 2025
Summary
Collegiate American football starters show significant differences in body composition, strength, and power across positions. Joint kinematics, however, remain consistent, highlighting its importance for all players.
Area of Science:
- Sports Science
- Biomechanics
- Human Performance
Background:
- Collegiate American football demands diverse physical attributes across various positions.
- Understanding these differences is crucial for optimizing training and performance.
Purpose of the Study:
- To profile body composition and physical fitness of collegiate American football starters.
- To analyze key performance indicator variations among different position groups, including body composition, kinematics, strength, and power.
Main Methods:
- Sixteen NCAA Division-II American football athletes participated.
- Kruskal-Wallis tests analyzed differences between Line, Big Skill, and Skill positions.
- Measures included body composition, joint kinematics (bilateral squat), muscular strength, and power.
Main Results:
- Significant differences were found in body composition (p=0.004), muscular strength (p=0.01), and muscular power (p=0.03) between position groups.
- No significant differences were observed in joint kinematics during the bilateral squat test (p>0.05).
Conclusions:
- While body composition, strength, and power vary by position, joint kinematics appear to be a consistent performance indicator.
- Regular assessment and development of joint kinematics are recommended for all collegiate American football starters.
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