Nimra Amin, Dr. Rubina Zulfqar, Ulvina, et al. IMMEDIATE EFFECTS OF MUSCLE ENERGY TECHNIQUE (POST ISOMETRIC RELAXATION) VERSUS PRIMAL REFLEX RELEASE TECHNIQUE ON HAMSTRING TIGHTNESS. J Popl Ther Clin Pharmacol. 2024;31(8):171-177. doi:10.53555/jptcp.v31i8.7332