Leg Muscle Actions Quiz

Action of the quadriceps (Rectus femoris and Vastus muscles)?

• extends leg at knee

• extends thigh at hip

• flexes leg at knee

• flexes thigh at hip

flexes leg at knee

• biceps femoris

• rectus femoris

• tibialis anterior

• gastrocnemius

extends leg at knee

• rectus femoris

• tibialis anterior

• extensor digitorum longus

• gastrocnemius

extends leg at knee

• tibialis anterior

• vastus lateralis, vastus medialis, & rectus femoris

• extensor digitorum longus

• gastrocnemius

Dorsiflexion of foot (flexion of tarsals)

• soleus

• fibularis longus

• tibialis anterior

• gastrocnemius

plantar flexion of foot (extends tarsals)

• soleus

• fibularis longus

• tibialis anterior

• gastrocnemius

flexes leg at knee

• semitendinosus

• soleus

• vastus medialis

• gluteus medius

plantar flexion of foot (extends tarsals)

• soleus

• semitendinosus

• tibialis anterior

• vastus medialis

flexes leg at knee

• gluteus maximus

• soleus

• semimenbranosus

• vastus lateralis

extends leg at knee

• tibialis anterior

• vastus medialus

• sartorius

• semitendinosus