-
O- Ulnar Border of palmar aponeurosis and flexor retinaculum
I-Skin on ulnar border of hand
Palmaris Brevis
-
O- Pisiform and tendon of flexor carpi ulnaris
I- One into ulnar side of bse of proximal phalanx of little finger, and into ulnar border of extensor expansion
Abductor digiti minimi
-
O- Hook of hamate and flexor retinaculum
I- Ulnar side of base of proximal phalanx of little finger
Flexor digiti minimi brevis
-
O-Hook of hamate and flexor retinaculum
I- Entire length of ulnar side of fifth metacarpal
Opponens digiti minimi
-
O- Tendon of the flexor digitorum profundus in the palm
I-radial sides of tendons of index and middle finger, and adjacent sides of middle, ring and little finger
Lumbricals
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O- Adjacent sides of metacarpals
I-Extensor expansion, proximal phalanges of second, third and fourth digits
Dorsal Interossei
-
O- Metacarpal shaft of digit
I- extensor expansion on each side of digit
Palmar interossei
-
O- flexor retinaculum, tubercle of trapezium and scaphoid
I- radial side of base of proximal phalanx of thumb
Abductor Pollicis Brevis
-
O-Flexor retinaculum and tubercle of trapezium
I- Entrie length of radial side of first metacarpal
Opponens pollicis
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O-Flexor retinaculum and tublercle of trapezium; Trapezoid and capitate
I: Radial side of base of proximal phalanx of thumb
Flexor pollicis brevis
-
O-capitate and base of second and third metacarpals; palmar surface of third metacarpal
I- Ulnar side of base of proximal phalanx of thumb
Adductor pollicis
-
O- Posterior surface of ulna below extensor pollicis longus and adjacent interosseous membrane
I-Through extensor expansion into bases of middle and distal phalanges of index finger
Extensor indicis
-
O- lateral epicondyle, radial collateral ligament of elbow joint, annular ligament of proximal radioulnar joint, posterolateral surface of ulna
I-Upper third of lateral surface of radius
Supinator
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O- Posterior surface of ulna below origin of supinator, middle third of posterior surface of radius below insertion of supinator, intervening interosseous membrane
I-radial side of base of 1st metacarpal, trapezium
Abductor pollicis longus
-
O- posterior surface of radius below abductor and adjacent interosseous membrane
I-Base of proximal phalanx of thumb
Extensor pollicis brevis
-
O-Middle third of posterior surface of ulna below abductor and adjacent to interosseous membrane
I- base of distal phalanx of thumb
Extensor pollicis longus
-
O- Common extensor tendon from lateral epicondyle, posterior border of ulna
I-base of 5th metacarpal
Extensor carpi ulnaris
-
O- Common extensor tendon from lateral epicondyle and adjacent intermuscular septa
I- Through extensor expansion into bases of middle and distal phalanges of little finger
Extensor digiti minimi
-
O- Common extensor tendon from lateral epicondyle and adjacent intermuscular septa
I-Through extensor expansion into bases of middle and distal phalanges of fingers
Extensor Digitorum
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O- Common extensor tendon from lateral epicondyle, radial collateral ligament of elbow
I-Base of third metacarpal
Extensor carpi radialis brevis
-
O-lower third of lateral supracondylar ridge and from lateral intermuscular septum
I-base of second metacarpal
Extensor carpi radialis longus
-
O-Upper two-thirds of lateral supracondylar ridge of humerus and from lateral intermuscular spetum
I-Lateral side of base of styloid process of radius
Brachioradialis
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