Quiz 4 Practice – Muscles of the lower arm and lower leg.
Word Banks: Names:BrachioradialisFlexor carpiExtensor carpiTibialis anteriorGastrocnemiussoleus
Origins:Proximal tibia and fibulaDistal end of femurProximal 2/3 of tibiaDistal humerusDistal humerusDistal humerus
Insertions:Radius (styloid process)Metacarpals and carpalsCalcaneus via achilles tendonTarsal bone and first metatarsalCalcaneus via achilles tendonMetacarpals
Actions:Dorsiflexion and invert footPlantar flexion and flexion of leg at kneePlantar flexion onlyFlexes wristFlexes forearmExtend wrist
Brachioradialis
Distal humerus
radius (styloid process)
flexes forearm
Flexor carpi (radialaris)
distal end of humerus
metacarpals
flex wrist
Extensor carpi (radialis longus)
distal humerus
metacarpals
extends wrist
Brachioradialis
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