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

6. Brachioradialis
Distal humerus
radius (styloid process)
flexes forearm
Flexor carpi (radialaris)
distal end of humerus
metacarpals
flex wrist

7. Brachioradialis
Extensor carpi (radialis longus)
distal humerus
metacarpals
extends wrist

8. Tibialis anterior
proximal 2/3rd s of tibia
tarsal and first metatarsal
dorsiflexion and invert foot
gastrocnemius
distal femur (by two heads)
calcaneus via achilles tendon
plantar flexion (also flex leg at knee)
soleus
proximal tibia and fibula
calcaneus via achilles
plantar flexion