Muscles Quiz 3/ Superficial Posterior Forearm Flashcards
Brachioradialis Action
Flexes the elbow
Brachioradialis Origin
Lateral supracondylar ridge of humerus
Brachioradialis Insertion
Styloid process of the radius
Brachioradialis Nerve supply
Radial Nerve (Posterior surface of arm and forearm, and postereolateral surface of the hand)
Extensor carpi radialis longus Action
Extends and abducts wrist
Extensor carpi radialis longus Origin
Lateral epicondyle of humerus
Extensor carpi radialis longus Insertion
2nd metacarpal
Extensor carpi radialis longus Nerve Supply
Radial Nerve (Posterior surface of arm and forearm, and postereolateral surface of the hand)
Extensor carpi radialis brevis Action
Extends and abducts wrist
Extensor carpi radialis brevis Origin
Lateral epicondyle of humerus
Extensor carpi radialis brevis Insertion
3rd metacarpal
Extensor carpi radialis brevis Nerve Supply
Radial Nerve (Posterior surface of arm and forearm, and postereolateral surface of the hand)
Extensor Digitorum Action
Extends wrist and 2nd-5th digits
Extensor digitorum Origin
Lateral epicondyle of humerus
Extensor Digitorum Insertion
Distal phalanges of 2nd-5th digits
Extensor Digitorum Nerve Supply
Radial Nerve (Posterior surface of arm and forearm, and postereolateral surface of the hand)
Extensor digiti minimi Action
Extends wrist and 2nd-5th digits
Extensor digiti minimi Origin
Lateral epicondyle of humerus
Extensor digiti minimi Insertion
5th distal phalanx
Extensor digiti minmi Nerve Supply
Radial Nerve (Posterior surface of arm and forearm, and postereolateral surface of the hand)
Extensor carpi ulnaris Action
Extends and adducts wrist
Extensor carpi ulnaris Origin
Lateral epicondyle of humerus
Extensor carpi ulnaris Insertion
5th metacarpal
Extensor carpi ulnaris Nerve Supply
Radial Nerve (Posterior surface of arm and forearm, and postereolateral surface of the hand)