The effect of heel elevation on rectus femoris and thoracolumbar extensor EMG activity during deep squatting-standing movement. - Ameer, Mariam A; Al Abbad, Ammar M.; Alrashedi, Saja N; Alruwaili, Abeer M; Alruwaili, Meyool M; Alsrhany, Asma H; Alruwaili, Soha K; Alserhani, Shmookh M; Alshammari, Najd F; Hanafy, Abeer F (Journal of Back & Musculoskeletal Rehabilitation, 2026)