Flashcards
Upper Limb
Cards in this deck (17)
- 1Anterior compartment of forearm - superficial musclesFrom medial to lateral:
1 - Flexor carpi ulnaris
2 - Flexor digitorum superficialis
3 - Palmaris longus
4 - Flexor carpi radialis
5 - Pronator teres - 2Flexor carpi ulnarisOrigin: Medial epicondyle (humeral head) and olecranon (ulnar head)
Insertion: Base of 5th metacarpal, pisiform, hook of hamate
Action: Wrist flexion and adduction
Nerve: Ulnar nerve
Artery: Ulnar artery - 3Flexor digitorum superficialisOrigin: Medial epicondyle (primarily); also ulnar collateral ligament and proximal radius and ulna
Insertion: Bases of middle phalanges of digits 2-5
Action: PIPJ flexion (primarily); also wrist and MCPJ flexion
Nerve: Median nerve
Artery: Ulnar artery - 4Palmaris longusOrigin: Medial epicondyle
Insertion: Flexor retinaculum and palmar aponeurosis
Action: Wrist flexion
Nerve: Median nerve
Artery: Ulnar artery
Absent in 14% of people - 5Flexor carpi radialisOrigin: Medial epicondyle
Insertion: Base of 2nd metacarpal (small slips to 3rd metacondyle and trapezium)
Action: Wrist flexion and abduction
Nerve: Median nerve
Artery: Radial artery
Runs through the flexor retinaculum in a separate compartment of the carpal tunnel - 6Pronator teresOrigin: Medial supracondylar ridge and common flexor tendon (humeral head); coronoid process (ulnar head)
Insertion: Lateral radius, just distal to supinator
Action: Forearm pronation, elbow flexion
Nerve: Median nerve
Artery: Radial and ulnar arteries - 7Anterior compartment of forearm - deep musclesFlexor digitorum profundus
Flexor pollicis longus
Pronator quadratus - 8Flexor digitorum profundusOrigin: Anteromedial ulna and interosseous membrane
Insertion: Base of distal phalanges. Gives rise to lumbricals
Action: DIPJ flexion (primarily) but also flexes PIPJ, MCPJ and wrist joint
Nerve: Anterior interosseous nerve (2nd and 3rd digits); median nerve (4th and 5th digits)
Artery: Anterior interosseous artery - 9Flexor pollicis longusOrigin: Anterior surface of radius and adjacent interosseous membrane
Insertion: Base of distal phalanx of thumb
Action: Thumb flexion
Nerve: Anterior interosseous nerve
Artery: Anterior interosseous artery - 10Pronator quadratusOrigin: Medial and anterior surface of distal ulna
Insertion: Anterior and lateral surface of distal radius
Action: Forearm pronation
Nerve: Anterior interosseous nerve
Artery: Anterior interosseous artery - 11Posterior compartment of forearm - superficial muscles'Lateral compartment muscles':
Brachioradialis
Extensor carpi radialis longus
Extensor carpi radialis brevis
Other muscles:
Extensor digitorum
Extensor digiti minimi
Extensor carpi ulnaris - 12BrachioradialisOrigin: Lateral supracondylar ridge of humerus
Insertion: Radial styloid
Action: Elbow flexion. Pronation when forearm is supinated, supination when forearm is pronated.
Nerve: Radial nerve
Artery: Radial recurrent artery - 13Extensor carpi radialis longusOrigin: Lateral supracondylar ridge of humerus; a few fibres from lateral epicondyle
Insertion: Base of 2nd metacarpal
Action: Wrist extension and abduction. Weak elbow flexion.
Nerve: Radial nerve
Artery: Radial artery
Passes beneath abductor pollicis longus, extensor pollicis brevis and extensor retinaculum - 14Extensor carpi radialis brevisOrigin: Lateral epicondyle, radial collateral ligament of elbow
Insertion: Base of 3rd metacarpal
Action: Wrist extension and abduction. Weak elbow flexion.
Nerve: Radial nerve (deep branch)
Artery: Radial artery
Passes under extensor retinaculum - 15Extensor digitorumOrigin: Lateral epicondyle
Insertion: Extensor expansion of 2nd-5th digits (spanning proximal and middle phalanges)
Action: Finger and wrist extension
Nerve: Radial nerve
Artery: Posterior interosseous artery - 16Extensor digiti minimiOrigin: Lateral epicondyle
Insertion: Base of extensor expansion of 5th finger
Action: 5th finger and wrist extension
Nerve: Posterior interosseous nerve
Artery: Posterior interosseous artery - 17Extensor carpi ulnarisOrigin: Lateral epicondyle of humerus, posterior border of ulna
Insertion: Base of 5th metacarpal
Action: Wrist extension and adduction
Nerve: Deep branch of radial nerve
Artery: Ulnar artery
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- Doctorate Anatomy Flashcards on Upper Limb, created by cryptic_arcana on 09/05/2016.
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- cryptic_arcana
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