Volar muscles Flashcards
(32 cards)
Pronator Teres Insertion
Lateral Radius
Pronator Teres INNERVATION
Median N C6-C7
Pronator Teres ACTION
elbow: weak flexor
forearm: pronation
Flexor Carpi Radialis Origin
Medial epicondyle of humerus
Flexor Carpi Radialis INSERTION
Base of 2nd metacarpal
Flexor Carpi Radialis INNERVATION
Median N
C6-C7
Flexor Carpi Radialis ACTION
Flexion & radial dev.
Palmaris Longus ORIGIN
Medial epicondyle of humerus
Palmaris Longus INSERTION
Palmar Aponeurosis
Palmaris Longus INNERVATION
Median N
C7-C8
Palmaris Longus ACTION
wrist: flexion (weak)
wrist: flexion tightens palmar aponeurosis
Flexor Carpi Ulnaris ORIGIN
Medial epicondyle of humerus
olecranon of ulna
Flexor Carpi Ulnaris Insertion
Pisiform, hook of hamate, base of metacarpal 5
Flexor Carpi Ulnaris INNERVATION
Ulnar N
C7-T1
Flexor Carpi Ulnaris ACTION
Wrist: flexion
ulnar deviation
Flexor Digitorum Superficialis (FDS)
ORIGIN
Medial Epicondyle of humerus
upper 1/2 of ant. border of radius
Flexor Digitorum Superficialis INSERTION
Sides of middle phlanages of 2nd-5th digits
Flexor Digitorum Superficialis INNERVATION
Median N
C8-T1
Flexor Digitorum Superficialis ACTION
Weak Flexor of wrist
wrist, MCP, PIP joints: 2-5 digits: FLEXION
Flexor Digitorum Profundus ORIGIN
Ulna (2/3 flexor surface)
& interosseous membrane
Flexor Digitorum Profundus INSERTION
Distal phalanges 2-5 digits (palmar surface)
Flexor Digitorum Profundus INNERVATION
Median N (C8-T1) Ulnar N (C8-T1)
Flexor Digitorum Profundus ACTION
wrist, MCP, PIP, DIP of 2-5th digits: FLEXION
Flexor Pollicis Longus ORIGIN
Radius (mid. ant. surface)
& adj. interosseous membrane
