Lab 4: Origin, Insertion, Innervation, Blood supply, Action Flashcards
Origin of anconeus
Lateral epicondyle of humerus
Origin of extensor carpi radialis longus
Lateral supraepicondylar ridge of humerus
Origin of extensor carpi radialis brevis
Lateral epicondyle of humerus
Origin of extensor digitorum
Lateral epicondyle of humerus
Origin of extensor digiti minimi
Lateral epicondyle of humerus
Origin of extensor carpi ulnaris
Lateral epicondyle of humerus, posterior border of ulna via aponeurosis
Origin of supinator
Lateral epicondyle of humerus, supinator fossa, crest of ulna
Origin of extensor indicis
Posterior surface of ulna, interosseous membrane
Origin of abductor pollicis longus
Posterior surface of ulna and radius, interosseous membrane
Origin of extensor pollicis longus
Posterior surface of middle third of ulna, interosseous membrane
Origin of extensor pollicis brevis
Posterior surface of radius and interosseous membrane
Origin of flexor pollicis brevis
Flexor retinaculum and tubercles of trapezium, scaphoid
Origin of abductor pollicis brevis
Flexor retinaculum and tubercles of scaphoid and trapezium
Origin of adductor pollicis
Oblique head: bases 2nd and 3rd metacarpals, capitate, adjacent carpals
Transverse head: Anterior surface of shaft of 3rd metacarpal
Origin of opponens pollicis
Flexor retinaculum and tubercle of trapezium, and scaphoid
Origin of flexor digiti minimi brevis
Hook of hamate and flexor retinaculum
Origin of abductor digiti minimi
Pisiform
Origin of opponens digiti minimi
Hook of hamate and flexor retinaculum
Origin of palmar interossei
Palmar surface of 2nd, 4th and 5th metacarpals
Origin of dorsal interossei
Adjacent sides of two metacarpals
Origin of lumbricals
1st and 2nd: lateral two tendons of Flexor digitorum profundus
3rd and 4th: medial three tendons of flexor digitorum profundus\
Insertion of anconeus
Lateral surface of olecranon and superior part of posterior surface of the ulna
Insertion of extensor carpi radialis longus
Base of 2nd metacarpal
Insertion of extensor carpi radialis brevis
Base of 3rd metacarpal
Insertion of extensor digitorum
Extensor expansion of medial four digits
Insertion of extensor digiti minimi
Extensor expansion of 5th digit
Insertion of extensor carpi ulnaris
Base of 5th metacarpal
Insertion of supinator
Lateral, posterior and anterior surface of proximal third of the radius
Insertion of extensor indicis
Extensor expansion of 2nd digit
Insertion of abductor pollicis longus
Base of 1st metacarpal
Insertion of extensor pollicis longus
Base of distal phalanx of the 1st digit
Insertion of extensor pollicis brevis
Base of proximal phalanx of 1st digit
Insertion of flexor pollicis brevis
Proximal phalanx of 1st digit
Insertion of abductor pollicis brevis
Proximal phalanx of 1st digit
Insertion of adductor pollicis
Medial side of base of proximal phalanx of 1st digit
Insertion of opponens pollicis
Lateral side of 1st metacarpal
Insertion of flexor digiti minimi brevis
Proximal phalanx of 5th digit
Insertion of abductor digiti minimi
Proximal phalanx of 5th digit
Insertion of opponens digiti minimi
Medial border of 5th metacarpal
Insertion of palmar interossei
Extensor expansion of digits 2nd, 4th, and 5th digit
Insertion of dorsal interossei
Extensor expansion of 2nd to 4th digit
Insertion of lumbricals
Lateral sides of extensor expansions of 2nd and 5th digits
Innervation of anconeus
Radial nerve
Innervation of extensor carpi radialis longus
Radial nerve
Innervation of extensor carpi radialis brevis
Deep branch of radial nerve
Innervation of extensor digitorum
Posterior interosseous nerve
Innervation of extensor digiti minimi
Posterior interosseous nerve
Innervation of extensor carpi ulnaris
Posterior interosseous nerve
Innervation of supinator
Deep branch of the radial nerve
Innervation of extensor indicis
Posterior interosseous nerve
Innervation of abductor pollicis longus
Posterior interosseous nerve
Innervation of extensor pollicis longus
Posterior interosseous nerve
Innervation of extensor pollicis brevis
Posterior interosseous nerve
Innervation of flexor pollicis brevis
Recurrent branch of median nerve
Innervation of abductor pollicis brevis
Recurrent branch of median nerve
Innervation of opponens pollicis
Recurrent branch of median nerve
Innervation of flexor digiti minimi brevis
Deep branch of ulnar nerve
Innervation of abductor digiti minimi
Deep branch of ulnar nerve
Innervation of opponens digiti minimi
Deep branch of ulnar nerve
Innervation of palmar interossei
Deep branch of ulnar nerve
Innervation of dorsal interossei
Deep branch of ulnar nerve
Innervation of lumbricals
1st and 2nd: median nerve
3rd and 4th: deep branch of ulnar nerve
Blood supply of anconeus
Deep brachial artery, recurrent interosseous artery
Blood supply of extensor carpi radialis longus
Radial Artery
Blood supply of extensor carpi radialis brevis
Radial Artery
Blood supply of extensor digitorum
Posterior interosseous artery
Blood supply of digiti minimi
Posterior interosseous artery
Blood supply of extensor carpi ulnaris
Ulnar artery
Blood supply of supinator
Radial recurrent artery
Blood supply of extensor indicis
Posterior interosseous artery
Blood supply of abductor pollicis longus
Posterior interosseous artery
Blood supply of extensor pollicis longus
Posterior interosseous artery
Blood supply of extensor pollicis brevis
Posterior interosseous artery
Blood supply of flexor pollicis brevis
Superficial palmar arch
Blood supply of abductor pollicis brevis
Superficial palmar arch
Blood supply of adductor pollicis
Deep palmar arch
Blood supply of opponens pollicis
Superficial palmar arch
Blood supply of flexor digiti minimi brevis
Ulnar artery
Blood supply of abductor digiti minimi
Ulnar artery
Blood supply of opponens digiti minimi
Ulnar artery
Blood supply of palmar interossei
Common palmar digital arteries, deep palmar arch
Blood supply of dorsal interossei
Common palmar digital arteries
Blood supply of lumbricals
Common palmar digital arteries, deep palmar arch, dorsal digital artery
Blood supply of lumbricals
Common palmar digital arteries, deep palmar arch, dorsal digital artery
Action of anconeus
Extension of forearm, stabilizing of elbow joint
Action of extensor carpi radialis longus
Extension and abduction of the hand at the wrist
Action of extensor carpi radialis brevis
Extension and abduction of the hand at the wrist
Action of extensor digitorum
Extension of four medial digits (2 to 5) at MCP, and extension at IP joint
Extension at the wrist
Action of extensor digiti minimi
Extension of 5th digit at MCP joint and extension at IP joint
Extension at the wrist
Action of extensor carpi ulnaris
Extension and adduction of hand at wrist
Action of supinator
Supination of forearm
Action of extensor indicis
Extension at the MCP and IP joints of 2nd digit, extension of the hand at the wrist
Action of abductor pollicis longus
Abduction of the 1st digit, extension at MCP joint
Extension at the wrist
Action of extensor pollicis brevis
Extension of MCP joint of 1st digit
Action of flexor pollicis brevis
Flexion of 1st digit
Action of abductor pollicis brevis
Abduction of 1st digit
Action of adductor pollicis
Adduction of 1st digit
Action of opponens pollicis
Opposition of 1st digit (drawing the digit medially and rotating medially)
Action of flexor digiti minimi brevis
Flexion of the 5th digit
Action of abductor digiti minimi
Abduction of 5th digit
Action of opponens digiti minimi
Opposition of 5th digit. Draws 5th metacarpal anteriorly and rotates it.
Action of palmar interossei
Adduction of digits 2nd, 4th, and 5th, assists lumbricals
Action of dorsal interossei
Abduction of digits 2nd to 4th , assists lumbricals
Action of lumbricals
Flexion of MCP joint, extension of IP joints of 2nd to 5th digits
Action of extensor pollicis longus
Extension of MCP and IP joints of 1st digit
Extension at the wrist