Muscles of the anterior compartment of forearm Flashcards
Insertion of pronator teres
middle convexity of lateral surface of radius
Pronator Teres Origin
Ulnar head: Coronoid process of ulna
Humeral head: Medial epicondyle of humerus
Innervation of Pronatores Teres
Median Nerve C6 C7
Action of Pronator Teres
Pronates and flexes forearm
Flexor carpi radialis origin
medial epicondyle of humerus
Flexor Carpi Radilais insertion
Base of 2nd (3rd) metacarpal
Innervation of Flexor carpi radialis
Median nerve C6 C7
Action of flexor carpi radialis
Flexes and abducts hand at wrist
Palmaris Longus Origin
medial epicondyle of humerus
Palmaris longus insertion
Distal half of flexor retinaculum,
palmar aponeurosis
Palmaris longus innervation
Median Nerve C7 C8
Palmar longus action
Flexes hand and tenses palmar aponeurosis
Flexor carpi Ulnaris: Humeral head and Ulnar head origin
Olecranon and posterior border of ulna
Insertion of Flexor carpi ulnaris: Ulnar head and humeral head
Pisiform
Hook of Hamate
5th metacarpal
Innervation of Flexor carpi Ulanaris: ulnar head and hummeral head
Ulnar nerve C7 C8
Flexor carpi ulnaris: Humeral head and ulnar head actions
Flexes and adducts wrist
Flexor Digitorum superficial origin
Humero-ulnar head: Medial epicondyle and humerus and coronoid process of ulna
Radial head- Oblique line of radius
Flexor Digitorum superficial insertion
Shaft of middle phalanges of medial four digits
Innervation of Flexor digitorum superficial
Median nerve C7 C8 T1
Action of Flexor Digitorum superficial
Flexes wrist
Flexes Proximal Interphalangeal Joints of middle four digits
flexes proximal phalanges at metacarpophalangeal
Flexor digitorum Profundus origin
Proximal three quarters of medial and anterior surfaces of ulna
and interosseous membrane
flexor digitorum profundus insertion
Base of distal Phalanges of 2nd, 3rd, 4th and 5th digits
Innervation Flexor digitorum profundus
Lateral part ( to digit 2 and 3) Median nerve C8 T1 ( anterior interosseous branch) Medial part ( to digit 4 and 5 ) ulnar nerve C8 T1
Flexor Digitorum profundus action
Flexes wrist joint
FLexes distal interaphalangeal joints of digit 2, 3, 4, and 5
Flexor pollicis longus origin
Anterior surface of radius and adjacent interosseous membrane
Flexor pollicis longus insertion
Base of distal phalanx of thumb
innervation of flexor pollicis longus
Anterior interosseous nerve from median nerve C8 T1
Action Flexor pollicis longus
flexes wrist
flexes metacarpophalangeal and interphalangeal joint of thumb
Pronator Quadratus origin
distal quarter of anterior surface of ulna
Pronator Quadratus insertion
Distal quarter of anterior surface of radius
Pronator Quadratus innervation
Anterior Interosseous nerve from median nerve C8 T1
Pronator Quadratus action
pronates forearm
deep fibers bind radius and ulna together