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Medicine Year 1 Semester 1 > Forearm > Flashcards

Forearm Flashcards

1
Q

what muscles are found in the anterior compartment of the forearm?

A 
Pronator teres
palmaris longus
flexor carpi radialis
flexor digitorum superficialis
flexor digitorum profundus 
flexor carpi ulnaris
pronator quadratus
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2
Q

innervation of pronator teres

A

median nerve

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3
Q

innervation of palmaris longus

A

median nerve

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4
Q

innervation of flexor carpi radialis

A

median nerve

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5
Q

innervation of flexor digitorum superficialis

A

median nerve

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6
Q

innervation of flexor digitorum profundus

A

anterior interosseous branch of median nerve

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7
Q

innervation of flexor carpi ulnaris

A

ulnar nerve

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8
Q

innervation of pronator quadratus

A

anterior interosseous branch of median nerve

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9
Q

insertion of pronator teres

A

middle lateral surface of radius

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10
Q

insertion of palmaris longus

A

apex of palmer aponeurosis

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11
Q

insertion of flexor carpi radialis

A

anterior surface of bases of 2nd and 3rd metacarpals

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12
Q

insertion of flexor digitorum superficialis

A

sides of middle phalanges of medial 4 digits

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13
Q

insertion of flexor digitorum profundus

A

palmar surface of bases of distal phalanges of medial 4 digits

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14
Q

insertion of flexor carpi ulnaris

A

hook of hamate and base of 5th metacarpal

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15
Q

insertion of pronator quadratus

A

superficial, lower 1/4 of radius

deep, triangular area above ulnar notch

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16
Q

What muscles are innervated by the anterior interosseous branch of the median nerve?

A

Flexor Digitorum Profundus

Pronator Quadratus

17
Q

What muscles are found in the posterior compartment of the forearm

A 
extensor carpi radialis longus 
extensor carpi radialis brevis 
extensor digitorum 
Extensor digiti minimi 
extensor indicis
abductor pollicis longus (brevis in hands)
extensor pollicis brevis extensor pollicis longus 
extensor carpi ulnaris 
supinator
18
Q

What nerve innervates the muscles of the posterior compartment of the forearm?

A

Posterior interosseous branch of the radial nerve

19
Q

innervation of extensor carpi radialis longus

A

radial nerve

20
Q

insertion of extensor carpi radialis longus

A

posterior surface of base of 2nd metacarpal

21
Q

insertion of extensor carpi radialis brevis

A

posterior surface of 3rd metacarpal

22
Q

insertion of extensor digitorum

A

bases of middle and terminal phalanges of medial 4 digits

23
Q

insertion of extensor digiti minimi

A

base of middle and terminal phalanges of 5th metacarpal (little finger)

24
Q

insertion of extensor indicis

A

middle and terminal phalanges of 2nd metacarpal (index finger)

25
Q

insertion of abductor pollicis longus

A

lateral side of base of 1st metacarpal

26
Q

insertion of extensor pollicis brevis

A

dorsal surface of proximal phalanx of 1st metacarpal (thumb)

27
Q

insertion of extensor pollicis longus

A

dorsal surface of distal phalanx of 1st metacarpal (thumb)

28
Q

insertion of extensor carpi ulnaris

A

tubercle on medial aspect of dorsal surface of base of 5th metacarpal

29
Q

insertion of supinator

A

upper 1/3 of radius

30
Q 
What is the origin of:
Extensor Carpi Radialis Brevis  
extensor digitorum 
extensor digiti minimi 
extensor carpi ulnaris
supinator
A

lateral epicondyle of humerus

31
Q

what is the origin of extensor carpi radialis longus?

A

lower 1/3 of lateral supracondular ridge of humerus

32
Q

What is the origin of :
Extensor indicis
abductor pollicis longus
extensor pollicis longus

A

posterior surface of ulna

33
Q

What is the origin of extensor pollicis Brevis

A

Posterior surface of the radius

Medicine Year 1 Semester 1 (23 decks)

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