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Muscle Biology > Anterior and Posterior Compartments of the arm > Flashcards

Anterior and Posterior Compartments of the arm Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

origins of biceps brachii

A

Coracoid process

- Supraglenoid tubercle of the scapula

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2
Q

insertions of biceps brachii

A

Radial tuberosity

- Bicipital aponeurosis

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3
Q

innervation of biceps brachii

A

musculocutaneous

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4
Q

possible bicep injuries

A

ruptured bicep tendon

brachialis

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5
Q

origin of brachialis

A

Lower half of humerus

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6
Q

insertion of brachialis

A

Ulnar Tuberosity

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7
Q

innervation of brachialis

A

Musculocutaneous

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8
Q

origin of coracobrachialis

A

Coracoid Process

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9
Q

insertion of coracobrachialis

A

Midshaft of humerus

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10
Q

innervation of coracobrachialis

A

Musculocutaneous

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11
Q

origin of brachioradialis

A

Lateral Supracondylar

Ridge

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12
Q

insertion of brachioradialis

A

Distal Styloid Process

of Radius

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13
Q

innervation of brachioradialis

A

radial nerve

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14
Q

volkmann’s ischaemic contracture cause

A

damaged brachial artery

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15
Q

volkmann’s ischaemic contracture

A

The patient is unable to extend the hand at the wrist even when extensors are activated.

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16
Q

effect of volkmann’s ischaemic contracture on flexor compartment

A

Forearm muscles in the
flexor compartment become
short and fibrotic

17
Q

posterior part of arm

A

lateral
long head
medial head of triceps

18
Q

origins of triceps

A
  1. Scapula
  2. Lateral border of Upper Humerus
  3. Lower half of humerus
19
Q

insertion of triceps

A

Olecranon

20
Q

Reflex of tricep

A

tricep reflex C7, C8

21
Q

innervation of tricep

A

radial

22
Q

what forms quadrangular space

A

teres minor, teres major
long head of tricep
humerus

23
Q

what is in the quadrangular space

A

axillary nerve

posterior circumflex humeral artery

24
Q

what is in the triangular interval

A

profunda brachii artery

radial nerve

25
Q

anconeus origin

A

Lateral Epicondyle

26
Q

insertion of anconeus

A

Dorsal proximal ulna

27
Q

innervation of anconeus

A

Radial

Muscle Biology (25 decks)

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