S76.311 - Strain of muscle, fascia and tendon of the posterior muscle group at thigh level, right thigh S76.3 - Injury of muscle, fascia and tendon of the posterior muscle group at thigh level S76.31 - Strain of muscle, fascia and tendon of the posterior muscle group at thigh level S76.311 - Strain of muscle, fascia and tendon of the posterior muscle group at thigh level, right thigh