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HAE Quiz 3 > HAE - Arm > Flashcards

HAE - Arm Flashcards

1
Q

radial groove

A

On posterior side of midshaft of humerus

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2
Q

capitulum

A

rounded protuberance on distal aspect of the humerus that articulates with the head of the radius at elbow joint

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3
Q

trochlea

A

pulley-shaped structure on distal aspect of humerus that articulates with trochlear notch of ulna at the elbow joint

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4
Q

coronoid fossa

A

depression on anterior distal surface of the humerus that receives coronoid process of the ulna during flexion of the elbow joint

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5
Q

olecranon fossa

A

depression on posterior distal surface of humerus that receives olecranon of ulna during extension of elbow joint

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6
Q

medial and lateral epicondyles

A

prominences of distal humerus on medial and lateral side of elbow

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7
Q

ulnar groove

A

groove in medial aspect of distal humerus for ulnar nerve

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8
Q

supracondylar ridges

A

extend superiorward from epicondyls; attachments for muscles of the forearm

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9
Q

humeroradial joint

A

joint between capitulum and head of the radius; shallow

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10
Q

trochlear notch

A

concave region on proximal end of ulna that articulates with trochlea of humerus

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11
Q

humeroulnar joint

A

joint between trochlea of humerus and trochlear notch of the ulna; stable

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12
Q

proximal radioulnar joint

A

joint between proximal portions of radius and ulna

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13
Q

anular ligament

A

holds together the proximal radioulnar joint ; permits pronation and supination

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14
Q

pronation

A

in anatomical position, turning the palm towards the posterior

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15
Q

supination

A

Opposite of pronation (turn palm to face anterior)

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16
Q

collateral ligaments

A

(radial and ulnar) collateral ligaments prevent movements other than flexion and extention

17
Q

intermuscular septum

A

separates arm into anterior (flexor) and posteror (extensor) compartments; medial and lateral; thick layer of fascia

18
Q

flexor compartment

A

anterior side of arm; contains 3 muscles that flex the arm

19
Q

extensor compartment

A

posterior side of arm; contains triceps

20
Q

coracobrachialis

A

O: coracocoid process, I: midshaft of humerus on medial side, N: musculocutaneous, A: flexs and adducts at glenohumeral joint

21
Q

biceps brachii

A

O: short head = coracoid process, long head = supraglenoid tubercle of scapula, I: radial tuberosity, N: musculocutaneous, A: weak flexor of shoulder, powerful flexor at supinator at elbow

22
Q

brachialis

A

O: distal half of anterior humerus, I: ulnar tuberosity, N: musculocutanous, A: flexor at elbow

23
Q

radial tuberosity

A

bony prominance on proximal portion of radius, insertion for biceps brachii

24
Q

triceps brachii

A

O: long head = infraglenoid tubercle, lateral head: posterior side of humerus superior to radial groove, medial head: posterior side of humerus inferior to radial groove, I: Olecranon of ulna, N: Radial nerve, A: extends the forearm (long head can also extent arm)

25
Q

infraglenoid tubercle

A

small bump on inferior aspect of glenoid cavity that provides origin for long head of triceps brachii

26
Q

radial groove

A

groove on shaft of humerus containing radial nerve and deep brachial artery

27
Q

radial nerve

A

terminal branch of posterior cord of brachial plexus; innervates all muscles on posteior compartment of arm and extensor compartment of forearm

28
Q

ulnar tuberosity

A

Bony prominence on anterior suface of ulna, distal to coronoid process, insertion of brachiallis

29
Q

musculocutaneous nerve

A

arises from lateral cord of brachial plexus. ID: pierces coracobrachialis, travels b/t biceps and brachialis, emerges lateral to biceps tendon @ elbow where name changes to lateral antebracial cutaneous nerve

30
Q

lateral antebrachial cutaneous nerve

A

innervates skin of anterolateral forearm; derives from musculocutaneous nerve @ elbow

31
Q

median nerve

A

no branches in the arm; arises from contributions of lateral and medial cords of brachial plexus

32
Q

ulnar nerve

A

no brances in the arm, comes from medial cord of bracial plexus

33
Q

bracial artery

A

axillary artery becomes brachial artery as it passes teres major

34
Q

Arteries of arm

A
35
Q

Veins of arm

A
36
Q

Veins of cubital fossa

A
37
Q

cubital fossa

A

anterior aspect of elbow

38
Q

Neves and arteries of cubital fossa

A
39
Q

bicipital aponeurosis

A

flat broad tendon overlying cubital fossa arteries and nerves

HAE Quiz 3 (1 decks)

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