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2. HLTH 109 > Arm > Flashcards

Arm Flashcards

1
Q

importance of: capitulum

A

articulates with radius

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2
Q

importance of: trochlea

A

articulates with the ulna

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3
Q

importance of: lateral epicondyle

A

attachment of muscles (post com. of forearm)

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4
Q

importance of: medial epicondyle

A

attachment of muscles (ant com. of forearm)

- ulnar nerve runs posteriorly

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5
Q

importance of: radial fossa

A

accomodate bones of forearm during movement at the elbow

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6
Q

importance of: radial groove and location

A
  • radial nerve
  • profunda brachii artery
  • mid humerus
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7
Q

coracobrachialis inserts:

A

mid humerus

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8
Q

importance of: olecranon fossa

A

receives olecranon of ulna during extension of forearm

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9
Q

biceps brachii: location

A

anterior com. of arm

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10
Q

biceps brachii: origin

A
  • long head:
    supraglenoid tubercle
  • short head: coracoid process
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11
Q

biceps brachii: insertion

A
  • radial tuberosity,

- bicipital aponeurosis -> merge into fascia

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12
Q

biceps brachii: innervation

A

musculocutaneous nerve

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13
Q

biceps brachii: action

A

flex arm, flex and supinate forearm

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14
Q

brachialis: location

A

anterior com. arm

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15
Q

brachialis: origin

A

anterior surface of humerus

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16
Q

brachialis: insertion

A

ulnar tuberosity

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17
Q

brachialis: innervation

A

musculocutaneous nerve

18
Q

coracobrachialis: location

A

anterior com. of arm

19
Q

coracobrachialis: origin

A

coracoid process

20
Q

coracobrachialis: insertion

A

medial surface of humerus

21
Q

coracobrachialis: innervation

A

musculocutaneous nerve

22
Q

coracobrachialis: action

A

flex arm at shoulder (glenohumeral) joint

23
Q

brachialis: action

A

flex forearm

24
Q

eg. Popeye sign

A

rupture of long head of biceps brachii tendon

25
Q

triceps brachii: location

A

posterior com. arm

26
Q

triceps brachii: origin (long head)

A

infraglenoid tubercle

27
Q

triceps brachii: origin (medial head)

A

post surface of humerus, inferior to radial groove

28
Q

triceps brachii: origin (lateral head)

A

post surface of humerus, superior to radial groove

29
Q

triceps brachii: insertion

A

olecranon

30
Q

triceps brachii: innervation

A

radial nerve

31
Q

triceps brachii: action

A

extend forearm, extend, adduct the arm at glenohumeral joint

32
Q

anconeus: location

A

post com. arm

33
Q

anconeus: origin

A

posterior surface of lateral epicondyle

34
Q

anconeus: insertion

A

posterior surface of ulna

35
Q

anconeus: innervation

A

radial nerve

36
Q

anconeus: action

A

assists in extension of elbow

37
Q

list 3 spaces:

A

medial triangular, lateral triangular, quadrangular

38
Q

what passes through: medial triangular space

A

circumflex scapular artery

39
Q

what passes through: lateral triangular space

A

radial nerve, profunda brachii artery

40
Q

what passes through: quadrangular

A

axillary nerve, posterior circumflex humeral artery

2. HLTH 109 (29 decks)

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