Shared Flashcard Set

Details

Forearm Extensors
Origins, insertions, innervation, action, and blood supply of Forearm Extensor muscles
60
Anatomy
Graduate
09/11/2011

Additional Anatomy Flashcards

 


 

Cards

Term
Brachioradialis: origin
Definition
proximal 2/3 of lateral supracondylar ridge of humerus
Term
Brachioradialis: insertion
Definition
lateral side of base of styloid process of radius
Term
Brachioradialis: innervation
Definition
radial nerve (C5-C7)
Term
Brachioradialis: action
Definition
flexes forearm
Term
Brachioradialis: blood supply
Definition
radial recurrent artery
Term
Extensor carpi radialis longus: origin
Definition
distal 1/3 of lateral supracondylar ridge of humerus
Term
Extensor carpi radialis longus: insertion
Definition
dorsal base of metacarpal II
Term
Extensor carpi radialis longus: innervation
Definition
radial nerve (C6, C7)
Term
Extensor carpi radialis longus: action
Definition
extends wrist and abducts hand
Term
Extensor carpi radialis longus: blood supply
Definition
radial and radial recurrent aa.
Term
Extensor carpi radialis brevis: origin
Definition
lateral epicondyle of humerus (CET)
Term
Extensor carpi radialis brevis: insertion
Definition
dorsal base of metacarpal III
Term
Extensor carpi radialis brevis: innervation
Definition
deep branch of radial n. (C7,C8)
Term
Extensor carpi radialis brevis: action
Definition
extends wrist and abducts hand
Term
Extensor carpi radialis brevis: blood supply
Definition
radial and radial recurrent arteries
Term
Extensor digitorum: origin
Definition
lateral epicondyle of humerus (CET)
Term
Extensor digitorum: insertion
Definition
lateral and dorsal surfaces of phalanges of index, middle, ring, and little fingers
Term
Extensor digitorum: innervation
Definition
posterior interosseous nerve (C7,C8)
Term
Extensor digitorum: action
Definition
extends index, middle, ring, and little fingers; assists in wrist extension
Term
Extensor digitorum: blood supply
Definition
posterior interosseous a.
Term
Extensor digiti minimi: origin
Definition
lateral epicondyle of humerus (CET)
Term
Extensor digiti minimi: insertion
Definition
dorsal base of proximal phalanx of little finger
Term
Extensor digiti minimi: innervation
Definition
posterior interosseous nerve (C7,C8)
Term
Extensor digiti minimi: action
Definition
extends little finger
Term
Extensor digiti minimi: blood supply
Definition
posterior interosseous a.
Term
Extensor carpi ulnaris: origin
Definition
lateral epicondyle of humerus (CET) and posterior border of ulna
Term
Extensor carpi ulnaris: insertion
Definition
dorsal base of metacarpal V
Term
Extensor carpi ulnaris: innervation
Definition
posterior interosseous nerve (C7,C8)
Term
Extensor carpi ulnaris: action
Definition
extends wrist and adducts hand
Term
Extensor carpi ulnaris: blood supply
Definition
posterior interosseous a.
Term
Anconeus: origin
Definition
posterior surface of lateral epicondyle of humerus
Term
Anconeus: insertion
Definition
lateral surface of olecranon and posterior proximal ulna
Term
Anconeus: innervation
Definition
radial nerve (C7-T1)
Term
Anconeus: action
Definition
assists triceps brachii in extending forearm
Term
Anconeus: blood supply
Definition
deep brachial a.
Term
Supinator: origin
Definition
lateral epicondyle of humerus, supinator crest
Term
Supinator: insertion
Definition
lateral, posterior, and anterior surfaces of proximal 1/3 of radius
Term
Supinator: innervation
Definition
deep radial n. (C5,C6)
Term
Supinator: action
Definition
supinates forearm
Term
Supinator: blood supply
Definition
radial recurrent and posterior interosseous aa.
Term
Abductor pollicis longus: origin
Definition
posterior surface of ulna, radius, and interosseous membrane
Term
Abductor pollicis longus: insertion
Definition
base of metacarpal I
Term
Abductor pollicis longus: innervation
Definition
posterior interosseous n. (C7,C8)
Term
Abductor pollicis longus: action
Definition
abducts and extends thumb
Term
Abductor pollicis longus: blood supply
Definition
posterior interosseous a.
Term
Extensor pollicis brevis: origin
Definition
posterior surface of radius and interosseous membrane
Term
Extensor pollicis brevis: insertion
Definition
base of proximal phalanx of thumb
Term
Extensor pollicis brevis: innervation
Definition
posterior interosseous n. (C7,C8)
Term
Extensor pollicis brevis: action
Definition
extends proximal phalanx of thumb
Term
Extensor pollicis brevis: blood supply
Definition
posterior interosseous a.
Term
Extensor pollicis longus: origin
Definition
posterior surface of middle 1/3 of ulna and interosseous membrane
Term
Extensor pollicis longus: insertion
Definition
base of distal phalanx of thumb
Term
Extensor pollicis longus: innervation
Definition
posterior interosseous n. (C7,C8)
Term
Extensor pollicis longus: action
Definition
extends distal phalanx of thumb
Term
Extensor pollicis longus: blood supply
Definition
posterior interosseous a.
Term
Extensor indicis: origin
Definition
posterior surface of ulna and interosseous membrane
Term
Extensor indicis: insertion
Definition
dorsal base of proximal phalanx of second digit
Term
Extensor indicis: innervation
Definition
posterior interosseous n. (C7, C8)
Term
Extensor indicis: action
Definition
extends proximal phalanx of index finger
Term
Extensor indicis: blood supply
Definition
posterior interosseous a.
Supporting users have an ad free experience!