Muscles That Move the Leg (Table 8.13, p.198) These muscles connect the tibia or fibula to the femur or pelvic girdle. The muscles either flex or extend the knee. The muscles include the hamstring group and the quadriceps femoris group.

Muscles That Move the Leg, cont…. Flexors (aka, ???): Biceps femoris Semitendinosus Semimembranosus Sartorius Extensors: Quadriceps femoris group – 4 parts: Rectus femoris Vastus lateralis Vastus medialis Vastus intermedius

Muscles That Move the Ankle, Foot, and Toes (Table 8.14, p.199) Attach the femur, tibia, and fibula to the bones of the foot Responsible for dorsiflexion, plantar flexion, inversion, and eversion, and are grouped by these catagories: Dorsal flexors Plantar flexors Invertors Evertors

Muscles That Move the Ankle, Foot, and Toes, continued….. Dorsal flexors: Tibialis anterior Peroneus (fibularis) tertius Extensor digitorum longus Plantar flexors: Gastrocnemius Soleus Flexor digitorum longus Invertor: tibialis posterior Evertor: peroneus (fibularis) longus