Peroneus Longus and Brevis: Situated on the surface with the lower leg, these muscles Regulate foot eversion (turning the foot outward) and assist with plantar flexion. The semitendinosus functions on two joints; extension in the hip, flexion on the knee, and medial rotation in the leg. Distally, the semimembranosus' tendon https://www.sgvascularctr.com/swelling-leg-treatment-singapore/