What question did this study set out to answer?

The research aims to reframe the strict bicep curl as a controlled biomechanical system for improving athletic performance.

February 11, 2026Open Access

Biomechanical Optimization and Formalization of the Strict Bicep Curl as a Controlled System

Key Points

The research aims to reframe the strict bicep curl as a controlled biomechanical system for improving athletic performance.
Introduced the Curl Performance Model (CPM) for bicep curls
Analyzed kinematic phases and sticking points of the exercise
Evaluated performance using the Control Reserve (CR) concept
Demonstrated that strict bicep curls operate under defined torque management
Identified critical kinematic phases affecting performance
Proposed objective metrics for evaluating bicep curl effectiveness

Abstract

This paper investigates the strict bicep curl not merely as a resistance exercise, but as a specific sports discipline with strictly limited degrees of freedom. The author introduces and substantiates the Curl Performance Model (CPM), which frames the movement as a system of torque management under conditions where inertia and compensatory movements are artificially eliminated. The study provides an analysis of kinematic phases, sticking points, and proposes a method for objective athletic performance evaluation through the prism of the Control Reserve (CR) concept. Keywords: biomechanics, strict bicep curl, torque, Control Reserve, sports metrology, kinematic analysis.

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