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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
PubMed
Summary
This summary is machine-generated.

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.

Keywords:
Wu Tsai Human Performance Allianceperformance sciencesport sciencestrength and conditioning

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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.