Quiz 4 Practice – Muscles of the lower arm and lower leg. Word Banks: Names: Brachioradia lis Flexor carpi Extensor carpi Tibialis anterior Gastrocnemiu s soleus Origins: Proximal tibia and fibula Distal end of femur Proximal 2/3 of tibia Distal humerus Distal humerus Distal humerus Insertions: Radius (styloid process) Metacarpals and carpals Calcaneus via achilles tendon Tarsal bone and first metatarsal Calcaneus via achilles tendon Metacarpals Actions: Dorsiflexion and invert foot Plantar flexion and flexion of leg at knee Plantar flexion only Flexes wrist Flexes forearm Extend wrist