Muscles of the anterior compartment of forearm Flashcards

0
Q

Insertion of pronator teres

A

middle convexity of lateral surface of radius

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1
Q

Pronator Teres Origin

A

Ulnar head: Coronoid process of ulna

Humeral head: Medial epicondyle of humerus

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2
Q

Innervation of Pronatores Teres

A

Median Nerve C6 C7

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3
Q

Action of Pronator Teres

A

Pronates and flexes forearm

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4
Q

Flexor carpi radialis origin

A

medial epicondyle of humerus

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5
Q

Flexor Carpi Radilais insertion

A

Base of 2nd (3rd) metacarpal

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6
Q

Innervation of Flexor carpi radialis

A

Median nerve C6 C7

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7
Q

Action of flexor carpi radialis

A

Flexes and abducts hand at wrist

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8
Q

Palmaris Longus Origin

A

medial epicondyle of humerus

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9
Q

Palmaris longus insertion

A

Distal half of flexor retinaculum,

palmar aponeurosis

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10
Q

Palmaris longus innervation

A

Median Nerve C7 C8

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11
Q

Palmar longus action

A

Flexes hand and tenses palmar aponeurosis

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12
Q

Flexor carpi Ulnaris: Humeral head and Ulnar head origin

A

Olecranon and posterior border of ulna

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13
Q

Insertion of Flexor carpi ulnaris: Ulnar head and humeral head

A

Pisiform
Hook of Hamate
5th metacarpal

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14
Q

Innervation of Flexor carpi Ulanaris: ulnar head and hummeral head

A

Ulnar nerve C7 C8

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15
Q

Flexor carpi ulnaris: Humeral head and ulnar head actions

A

Flexes and adducts wrist

16
Q

Flexor Digitorum superficial origin

A

Humero-ulnar head: Medial epicondyle and humerus and coronoid process of ulna

Radial head- Oblique line of radius

17
Q

Flexor Digitorum superficial insertion

A

Shaft of middle phalanges of medial four digits

18
Q

Innervation of Flexor digitorum superficial

A

Median nerve C7 C8 T1

19
Q

Action of Flexor Digitorum superficial

A

Flexes wrist
Flexes Proximal Interphalangeal Joints of middle four digits
flexes proximal phalanges at metacarpophalangeal

20
Q

Flexor digitorum Profundus origin

A

Proximal three quarters of medial and anterior surfaces of ulna
and interosseous membrane

21
Q

flexor digitorum profundus insertion

A

Base of distal Phalanges of 2nd, 3rd, 4th and 5th digits

22
Q

Innervation Flexor digitorum profundus

A
Lateral part ( to digit 2 and 3) 
Median nerve C8 T1 ( anterior interosseous branch)
Medial part ( to digit 4 and 5 ) 
ulnar nerve C8 T1
23
Q

Flexor Digitorum profundus action

A

Flexes wrist joint

FLexes distal interaphalangeal joints of digit 2, 3, 4, and 5

24
Q

Flexor pollicis longus origin

A

Anterior surface of radius and adjacent interosseous membrane

25
Q

Flexor pollicis longus insertion

A

Base of distal phalanx of thumb

26
Q

innervation of flexor pollicis longus

A

Anterior interosseous nerve from median nerve C8 T1

27
Q

Action Flexor pollicis longus

A

flexes wrist

flexes metacarpophalangeal and interphalangeal joint of thumb

28
Q

Pronator Quadratus origin

A

distal quarter of anterior surface of ulna

29
Q

Pronator Quadratus insertion

A

Distal quarter of anterior surface of radius

30
Q

Pronator Quadratus innervation

A

Anterior Interosseous nerve from median nerve C8 T1

31
Q

Pronator Quadratus action

A

pronates forearm

deep fibers bind radius and ulna together