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CAPS 391 (15) Muscles: Upper Limb > Arm > Flashcards

Arm Flashcards

1
Q

What are the muscular components of the arm?

A

1) anterior compartment

2) posterior compartment

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2
Q

What are the muscular components of the arm divided by?

A

intermuscular septum

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3
Q

What is the function of the anterior compartment of the arm?

A

flexion of the elbow

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4
Q

What supplies the innervation of the muscles in the anterior compartment of the arm?

A

supplied by muscular cutaneous nerve

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5
Q

What is the muscular cutaneous nerve a branch of?

A

brachial plexus

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6
Q

What are the muscles of anterior compartment of the arm?

A

1) biceps brachii

2) brachialis

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7
Q

O: Biceps brachii

A

1) long head attached to glenoid fossa

2) short head attached to coronoid process

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8
Q

I: Biceps brachii

A

radial tuberosity

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9
Q

F: Biceps brachii

A

1) flexion of elbow

2) prime mover for supination of the forearm

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10
Q

N: Biceps brachii

A

muscular cutaneous nerve

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11
Q

O: Brachialis

A

anterior surface of humerus

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12
Q

I: Brachialis

A

ulnar tuberosity

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13
Q

F: Brachialis

A

primer mover for flexion of the elbow

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14
Q

N: Brachialis

A

muscular cutaneous nerve

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15
Q

What is the function of the posterior compartment of the arm?

A

extension of the elbow

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16
Q

What supplies the innervation of the muscles in the posterior compartment of the arm?

A

radial nerve

17
Q

What is the radial nerve a branch of?

A

brachial plexus

18
Q

What are the muscles of the posterior compartment of the arm?

A

1) triceps brachii

19
Q

O: Triceps brachii

A

1) long head: scapula immediately below glenoid fossa
2) lateral head: posterior
3) medial head: posterior surface of shaft of humerus

20
Q

I: Triceps brachii

A

olecranon process

21
Q

F: Triceps brachii

A

1) prime mover for extension of elbow

2) long head; helper for extension of the shoulder

22
Q

N: Triceps brachii

A

radial nerve

23
Q

Prime mover for supination of the forearm?

A

biceps brachii

24
Q

Prime mover for flexion of the elbow?

A

brachialis

25
Q

Prime mover for extension of elbow?

A

triceps brachii

CAPS 391 (15) Muscles: Upper Limb (4 decks)

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