The negative-accentuated glute-ham raise flips the script on posterior-chain work by making the lowering phase the star. Slow eccentrics and low reps turn this into serious hamstring punishment.
Part four digs into hamstring strains and why prevention is more than throwing in a few random leg curls. It highlights eccentric strength, smart exercise selection, and better planning for athletes exposed to sprinting, jumping, and high-speed movement.