StrongFirst SFB Practice Questions - StrongFirst SFB Bodyweight Instructor Certification Exam

Contraction in one muscle group spreads neural drive to nearby muscles, increasing force output. High-rep training irradiates fast-twitch fibers, causing them to convert to slow-twitch. Muscle tension dissipates outward like radiation, weakening the prime mover. Heat generated during lifting irradiates connective tissue and reduces stiffness.