The document discusses the muscles of the leg, which are divided into anterior, lateral, and posterior compartments separated by fascia. Each compartment contains specific muscles that allow for movement. The anterior compartment contains muscles responsible for dorsiflexion and plantar flexion of the foot and toes. The lateral compartment houses muscles that perform eversion and inversion of the foot. The posterior compartment is further divided into superficial and deep layers containing muscles that plantar flex and invert the foot.