by Pt Jim Johnson (Author)

Created by a board-certified physical therapist, the Bulletproof Hamstring program is the only set of specific, targeted exercises your hamstrings will ever need to get out of pain and stay healthy. Recommended for those with chronic hamstring strains, athletes, or anyone active who simply wants to get rid of or avoid a hamstring problem.

4/5 stars after 30+ reviews - yes, it really works!