The primary muscular action responsible for horizontal propulsion during linear sprinting is hip flexion.

Question

Quizplus · Accepted Answer

The primary muscular action responsible for horizontal propulsion during linear sprinting is horizontal force production through extension of the hip, knee, and ankle joints. Hip flexion is used to bring the leg forward during the swing phase, but it is not the primary muscular action responsible for propulsion.

The Primary Muscular Action Responsible for Horizontal Propulsion During Linear