Muscles "action" SONLY

Soleus

Plantar flexes foot

Plantaris

Plantar flexes foot and flexes knee

Peroneus Longus

Plantar flexes and everts foot. Supports lateral longitudinal and transverse arches

Peroneus Brevis

Plantar* flexes and everts foot . Supports lateral longitudinal arch

Tibialis Anterior

Extends and inverts foot at ankle. Holds up medial longitudinal arch of foot

Tibialis Posterior

Plantar flexes and inverts foot. Supports medial longitudinal arch of foot

Flexor Digitorum Longus

Flexes distal phalanges of lateral four toes and foot at ankle. Supports lateral longitudinal arch

Flexor Hallucis Longus

Flexes distal phalanx of big toe, flexes foot at ankle, supports medial longitudinal arch

Extensor Digitorum Longus

Extends toes and extends foot at ankle

Extensor Hallucis Longus

Extends big toe and foot. Inverts foot and tightens subtalar joints

Gluteus Maximus

Extends and laterally rotates hip. Maintains knee extended via iliotibial tract

Brachialis

Flexes elbow

Brachioradialis

Flexes arm at elbow and brings forearm into midprone position

Anconeus

Weak extensor of elbow. Moves (abducts) ulna in pronation

Pronator Quadratus

Pronates forearm and maintains ulna and radius opposed

Supinator

Supinates forearm. Only acts alone when elbow extended

Flexor Carpi Radialis

Flexes and abducts wrist

Flexor Carpi Ulnaris

Flexes and adducts wrist. Fixes pisiform during action of hypothenar muscles

Palmaris longus

Flexes wrist and tenses palmar aponeurosis

Extensor Carpi Radialis Longus

Extends and abducts hand at wrist

Extensor Carpi Ulnaris

Flexes and adducts wrist. Fixes pisiform during action of hypothenar muscles