Forearm & Hand Muscles Flashcards
1
Q
Pronator teres
A
Origin: medial epicondyle Insertion: radius Action: pronation of forearm Innervation: median nerve Perfusion: ulnar artery
2
Q
Flexor carpi radialis
A
Origin: medial epicondyle Insertion: metacarpals Action: flexion and abduction of wrist Innervation: median nerve Perfusion: ulnar artery
3
Q
Palmaris longus
A
Origin: medial epicondyle Insertion: palmar aponeurosis Action: flexion of wrist Innervation: median nerve Perfusion: ulnar artery
4
Q
Flexor digitorum superficialis
A
Origin: medial epicondyle
Insertion: middle phalanges (V-insertion)
Action: flexion of wrist and digits (at MCPs and PIPs)
Innervation: median nerve
Perfusion: ulnar artery
5
Q
Flexor carpi ulnaris
A
Origin: medial epicondyle Insertion: metacarpals Action: flexion and adduction of wrist Innervation: ulnar nerve Perfusion: ulnar artery
6
Q
Flexor digitorum profundus
A
Origin: ulna
Insertion: distal phalanges (through the tunnel)
Action: flexion of wrist and digits (at MCPs, PIPs, and DIPs)
Innervation: median & ulnar nerves
Perfusion: anterior interosseous artery
7
Q
Flexor pollicis longus
A
Origin: radius Insertion: distal phalanx of thumb Action: flexion of thumb Innervation: median nerve Perfusion: anterior interosseous artery
8
Q
Pronator quadratus
A
Origin: distal ulna Insertion: distal radius Action: pronation of forearm Innervation: median nerve Perfusion: anterior interosseous artery
9
Q
Extensor carpi radialis longus
A
Origin: supracondylar ridge Insertion: metacarpals Action: extension and abduction of wrist Innervation: radial nerve Perfusion: radial artery
10
Q
Extensor carpi radialis brevis
A
Origin: lateral epicondyle Insertion: metacarpals Action: extension and abduction of forearm Innervation: radial nerve Perfusion: radial artery
11
Q
Extensor digitorum
A
Origin: lateral epicondyle Insertion: distal phalanges Action: extension of digits Innervation: radial nerve Perfusion: posterior interosseous artery
12
Q
Extensor digiti minimi
A
Origin: lateral epicondyle Insertion: 5th digit Action: extension of 5th digit Innervation: radial nerve Perfusion: posterior interosseous artery
13
Q
Extensor carpi ulnaris
A
Origin: lateral epicondyle Insertion: metacarpals Action: extension and adduction of wrist Innervation: radial nerve Perfusion: posterior interosseous artery
14
Q
Anconeus
A
Origin: lateral epicondyle of humerus Insertion: proximal ulna Action: extension of forearm Innervation: radial nerve Perfusion: interosseous recurrent artery
15
Q
Supinator
A
Origin: lateral epicondyle of humerus Insertion: proximal radius Action: supination of forearm Innervation: radial nerve Perfusion: recurrent interosseous