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analab 1a > moina forearm, wrist and hand > Flashcards

moina forearm, wrist and hand Flashcards

1
Q

pronator teres

A

O: Humeral: Medial epicondyle of humerus
Ulnar: Medial border of coronoid process of ulna

I: Lateral aspect of shaft of radius

N: Median nerve

A: Pronates and flexes the arm

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2
Q

flexor carpi radialis

A

O: Medial epicondyle of humerus

I: Bases of second and third metacarpal bones

N: Median nerve

A: flexes and abducts the hand at wrist joint

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3
Q

palmaris longus

A

O: Medial epicondyle of humerus

I: Flexor retinaculum and palmar aponeurosis

N: Median nerve

A: Flexes hand

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4
Q

flexor carpi ulnaris

A

O: Humeral: Medial epicondyle of humerus
Ulnar: Medial border of coronoid process of ulna

I: Pisiform bone, hook of the hamate, base at fifth metacarpal bone

N: Ulnar nerve

A: Flexes and adducts hand at wrist joint

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5
Q

flexor digitorum superficialis

A

O: Humeroulnar: Medial epicondyle of humerus; medial border of coronoid process of ulna
Radial: Oblique line on anterior surface of shaft of radius

I: Middle phalanx of medial four fingers

N: Median nerve

A: Flexes middle phalanx of fingers and assists in flexing proximal phalanx and hand

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6
Q

FLEXOR POLLICIS LONGUS

A

O: Anterior surface of shaft of
radius

I: Distal phalanx of thumb

N: Anterior interosseous
branch of median nerve

A: Flexes distal phalanx of
thumb

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7
Q

FLEXOR DIGITORUM
PROFUNDUS

A

O: Anteromedial surface of
shaft of ulna

I: Distal phalanges of medial
four fingers

N: Ulnar (medial half) and
median (lateral half)
nerves

A: Flexes distal phalanx of
fingers; then assists in
flexion of middle and
proximal phalanges and
wrist

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8
Q

PRONATOR QUADRATUS

A

O: Anterior surface of shaft of
ulna

I: Anterior surface of shaft of
radius

N: Anterior interosseous
branch of median Nerve

A: Pronates forearm

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9
Q

BRACHIORADIALIS

A

O: Lateral supracondylar ridge of
humerus

I: Base of styloid process of
radius

N: Radial nerve

A: Flexes forearm at elbow joint;
rotates forearm to the
midprone position

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10
Q

EXTENSOR CARPI RADIALIS LONGUS

A

O: Lateral supracondylar ridge of humerus

I: Posterior surface of base of second metacarpal bone

N: Radial nerve

A: Extends and abducts hand at wrist joint

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11
Q

EXTENSOR CARPI RADIALIS BREVIS

A

O: Lateral epicondyle of humerus

I: Posterior surface of base of third metacarpal bone

N: Deep branch of radial nerve

A: Extends and abducts hand at wrist joint

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12
Q

EXTENSOR DIGITORUM

A

O: Lateral epicondyle of humerus

I: Middle and distal phalanges of medial four fingers

N: Deep branch of radial nerve

A: Extends fingers and hand

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13
Q

EXTENSOR DIGITI MINIMI

A

O: Lateral epicondyle of humerus

I: Extensor expansion of little finger

N: Deep branch of radial nerve

A: Extends MCP joint of little finger

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14
Q

EXTENSOR CARPI ULNARIS

A

O: Lateral epicondyle of humerus

I: Base of 5th metacarpal bone

N: Deep branch of radial nerve

A: Extends and adducts hand at wrist joint

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15
Q

ANCONEUS

A

O: Lateral epicondyle of humerus

I: Lateral surface of olecranon process of ulna

N: Radial nerve

A: Extends elbow joint

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16
Q

SUPINATOR

A

O: Lateral epicondyle of humerus, annular ligament of proximal radioulnar joint, and
ulna

I: Neck and shaft of radius

N: Deep branch of the radial nerve

A: Supination of forearm

17
Q

EXTENSOR INDICIS

A

O: Posterior surface of shaft of ulna

I: Extensor expansion of index finger

N: Deep branch of the radial nerve

A: Extends metacarpophalangeal
joint of index finger

18
Q

ABDUCTOR POLLICIS LONGUS

A

O: Posterior surface of shafts of radius and ulna

I: Base of first metacarpal bone

N: Deep branch of the radial nerve

A: Abducts and extends thumb

19
Q

EXTENSOR POLLICIS BREVIS

A

O: Posterior surface of shafts of radius

I: Base of proximal phalanx of thumb

N: Deep branch of the radial nerve

A: Extends metacarpophalangeal joints of thumb

19
Q

EXTENSOR POLLICIS LONGUS

A

O: Posterior surface of shafts of ulna

I: Base of distal phalanx of thumb

N: Deep branch of the radial nerve

A: Extends distal phalanx of thumb

20
Q

PALMARIS BREVIS

A

O: Flexor retinaculum, palmar aponeurosis

I: Skin of palm

N: Superficial branch of ulnar nerve

A: Corrugates skin to improve grip of palm

21
Q

LUMBRICALS (4)

A

O: Tendons of FDP

I: Extensor expansion of medial four fingers

N: 1st and 2nd, (i.e., lateral two) median nerve; 3rd and 4th deep branch of ulnar nerve

A: Flex MCP and extend IP of fingers except thumb

22
Q

PALMAR INTEROSSEI

A

O: First arises from base of 1st metacarpal; remaining three from anterior surface of shafts of 2nd, 4th, and 5th metacarpals

I: Proximal phalanges of thumb and index, ring, and little fingers and dorsal extensor expansion of each finger

N: Deep branch of ulnar nerve

A: Dorsal interossei abduct fingers from center of third finger; both palmar and dorsal flex MCP joints and extend IP joints

23
Q

DORSAL INTEROSSEI

A

O: Contiguous sides of shafts of metacarpal bones

I: Proximal phalanges of index, middle, and ring fingers and dorsal extensor expansion

N: Deep branch of ulnar nerve

A: Flex MCP and extend IP of fingers except thumb

24
Q

ABDUCTOR POLLICIS BREVIS

A

O: Scaphoid, trapezium, flexor retinaculum

I: Base of proximal phalanx of thumb

N: Median nerve

A: Abduction of thumb

25
Q

FLEXOR POLLICIS BREVIS

A

O: Flexor retinaculum

I: Base of proximal phalanx of thumb

N: Median nerve

A: Flexes MCP joint of thumb

26
Q

OPPONENS POLLICIS

A

O: Flexor retinaculum

I: Shaft of metacarpal bone of thumb

N: Median nerve

A: Pulls thumb medially and forward across palm

27
Q

ADDUCTOR POLLICIS

A

O: Oblique head; 2nd and 3rd metacarpal bones; transverse head; 3rd metacarpal bone

I: Base of proximal phalanx of thumb

N: Deep branch of the ulnar nerve

A: Adduction of thumb

28
Q

ABDUCTOR DIGITI MINIMI

A

O: Pisiform bone

I: Base of proximal phalanx of little finger

N: Deep branch of ulnar nerve

A: Abducts little finger

29
Q

FLEXOR DIGITI MINIMI

A

O: Flexor retinaculum

I: Base of proximal phalanx of little finger

N: Deep branch of ulnar nerve

A: Flexes little finger

30
Q

OPPONENS DIGITI MINIMI

A

O: Flexor retinaculum

I: Medial border fifth metacarpal bone

N: Deep branch of ulnar nerve

A: Pulls 5th metacarpal forward as in cupping the palm

31
Q

Short muscles of the little finger

A
  • abductor digiti minimi
  • flexor digiti minimi
  • opponens digiti minimi
32
Q

SHORT MUSCLES OF THUMB

A

ABDUCTOR POLLICIS BREVIS
FLEXOR POLLICIS BREVIS
OPPONENS POLLICIS
ADDUCTOR POLLICIS

33
Q

SMALL MUSCLES OF THE HAND

A

PALMARIS BREVIS
LUMBRICALS
PALMAR INTEROSSEI
DORSAL INTEROSSEI

34
Q

MUSCLES OF THE POSTERIOR FASCIAL COMPARTMENT OF THE FOREARM

A

EXTENSOR CARPI RADIALIS BREVIS
EXTENSOR DIGITORUM
EXTENSOR DIGITI MINIMI
EXTENSOR CARPI ULNARIS
ANCONEUS
SUPINATOR
ABDUCTOR POLLICIS LONGUS
EXTENSOR POLLICIS BREVIS
EXTENSOR POLLICIS LONGUS
EXTENSOR INDICIS

35
Q

MUSCLES OF THE LATERAL FASCIAL COMPARTMENT OF THE FOREARM

A

BRACHIORADIALIS
EXTENSOR CARPI RADIALIS LONGGUS

36
Q

MUSCLES OF THE ANTERIOR FASCIAL COMPARTMENT OF THE FOREARM

A

PRONATOR TERES
FLEXOR CARPI RADIALIS
PALMARIS LONGUS
FLEXOR CARPI ULNARIS
FLEXOR DIGITORUM SUPERFICIALIS
FLEXOR POLLICIS LONGUS
FLEXOR DIGITORUM PROFUNDUS
PRONATOR QUADRATUS

analab 1a (1 decks)

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