muscles of the forearm anterior compartment Flashcards

(32 cards)

0
Q

Flexor carpi radialis (FCR) proximal attachment

A

medial epicondyle of humerus

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1
Q

Pronator teres (PT) proximal attachment

A

Ulnar head: coronoid process of ulna

humeral head: medial epicondyle of humerus

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2
Q

Palmaris longus proximal attachment

A

medial epicondyle of humerus

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3
Q

Flexor carpi ulnaris (FCU) humeral and ulnar head proximal attachment

A

Olecranon and posterior border of ulna (via aponeurosis)

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4
Q

Pronator teres Distal attachment

A

middle of convexity of lateral surface of radius

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5
Q

Flexor carpi radialis Distal attachment

A

base of 2nd (3rd) metacarpel

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6
Q

Palmaris longus Distal attachment

A

distal half of flexor retinaculum, palmar aponeurosis

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7
Q

Flexor carpi ulnaris hummeral and ulnar head Distal attachment

A

pisiform, hook of hamate, 5th metacarpal

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8
Q

Pronator teres innervation

A

Median nerve C6 C7

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9
Q

flexor carpi radialis innervation

A

median nerve C6, C7

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10
Q

Palmaris longus innervation

A

median nerve C7, C8

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11
Q

flexor carpi ulnaris humeral and ulnar head innervation

A

Ulnar nerve C7, C8

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12
Q

pronator teres action

A

pronates and flexes forearm

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13
Q

flexor carpi radialis action

A

flexes and abducts hand at wrist

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14
Q

palmaris longus action

A

flexes hand (at wrist) and tenses palmar aponeurosis

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15
Q

flexor carpi ulnaris humeral and ulnar head action

A

flexes and adducts hand at wrist

16
Q

flexor digitorum superficialis proximal attachment

A

humero-ulnar head: medial epicondyle of humerus and coronoid process of ulna
radial head: oblique line of radius

17
Q

Flexor digitorum profundus proximal attachment

A

proximal three quaters of medial and anterior surfaces of ulna and interosseous membrane

18
Q

flexor pollicis longus proximal attachment

A

anterior surface of radius and adjacent interosseous membrane

19
Q

pronator quadratus proximal attachment

A

distal quarter of anterior surface of ulna

20
Q

flexor digitorum superficialis distal attachment

A

shafts (bodies) of middle phalanges of medial four digits

21
Q

flexor pollicis longus distal attachment

A

base of distal phalanx thumb

22
Q

pronator quadratus distal attachment

A

distal quarter of anterior surface of radius

23
Q

flexor digitorum superficialis innervation

A

median nerve C7, C8, T1

24
Flexor digitorum profundus innervation
lateral part (to digits 2 and 3): median nerve (C8, T1) (anterior interosseous branch) medial part (to digits 4 and 5) ulnar nerve (C8, T1)
25
flexor pollicis longus innervation
anterior interosseous nerve from median nerve C8, T1
26
pronator quadratus innervation
Anterior interosseous nerve from median nerve C8, T1
27
flexor Digitorum superficialis actions
flexes wrist joint, flexes proximal interphalangeal joints of middle four digits; acting more strongly, it also flexes proximal phalanges at metacarpophalangeal joints
28
flexor digitorum profundus actions
flexes wrist joint flexes distal interphalangeal joints of digits 2, 3, 4, and 5 assists with wrist flexion
29
flexor pollicis longus actions
flexes wrist | flexes metacarpophalangeal and interphalangeal joints of thumb
30
Pronator quadratus action
pronates forearm, deep fibers bind radius and ulna together
31
flexor digitorum profundus distal attachment
bases ofdistal phalanges of 2nd, 3rd, 4th, and 5th digits