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Instructor/Advisor

Dr. Nicholas SantaBarbara

Keywords

Sports Performance, Kinesiology

Abstract

This project explores how bilateral deficit (BLD) and bilateral facilitation (BLF) influence athletic performance and training prescription. Using a calculated Bilateral Index (BI%), athletes are categorized into four profiles: Bilateral Deficit Dominant, Well-Rounded, Bilateral Facilitation Dominant, or Low Force Producer. Each classification provides insight into how athletes produce and manage force, informing more precise training decisions.

A screening protocol was developed combining strength and plyometric assessments, including IMTP, trap bar deadlifts, countermovement jumps, and drop jumps. A decision-making flowchart was created to guide load prescriptions and plyometric progressions based on the athlete’s force profile.

Training interventions were then tailored to each category. Bilateral deficit dominant athletes emphasized bilateral strength and coordination; well-rounded athletes received a balanced mix; and bilateral facilitation dominant athletes focused on unilateral strength and control. This system enhances training precision, reduces injury risk, and supports individualized return-to-play strategies.

Force Profiling for Smarter Training: Identifying Unilateral vs Bilateral Indicators

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