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Flashcards in arm Deck (20)
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0
Q

significance of ANATOMIC, SURGICAL neck?

A

ANATOMIC - (directly below head) shoulder CAPSULE attachment,
SURGICAL - (lower than anatomic) more involved in FRACTURES

1
Q

humeral, glenoid RETROVERSION?

A

30degrees, 5degrees

2
Q

muscles attached to greater tuberosity?

A

supraspinatus, infraspinatus, teres minor

3
Q

muscle attached to lesser tuberosity?

A

subscapularis

4
Q

another name for bicipital groove?

A

INTERTUBERCULAR groove

5
Q

SPIRAL GROOVE significance?

A

for RADIAL NERVE, adjacent to deltoid tuberosity, ~13cm above trochlea

6
Q

elbow joint articulations?

A

trochlea-olecranon (ulna), capitulum-radial head

7
Q

“carrying angle”?

A

7-degree valgus

8
Q

kindS of joints in elbow?

A

HINGE (humero-ulnar), PIVOT (humero-radial)

9
Q

angle of MAXIMUM CAPSULAR DISTENTION in elbow?

A

70-80degrees flexion (observable in patients with elbow effusion)

10
Q

STRONGEST of all elbow ligaments?

A

ANTERIOR bundle of MCL (most important in resisting valgus)

11
Q

TRIANGULAR SPACE borders (medial to quadrangular space)?

A

teres minor and major, triceps long head

12
Q

TRIANGULAR SPACE significance?

A

SCAPULAR CIRCUMFLEX vessels

13
Q

QUADRANGULAR SPACE borders (lateral to triangular space)?

A

teres minor and major, triceps long head, humerus

14
Q

QUADRANGULAR SPACE significance?

A

posterior HUMERAL CIRCUMFLEX vessels, AXILLARY NERVE

15
Q

TRIANGULAR INTERVAL borders (inferior to quadrangular space)?

A

teres major, triceps long head, humerus/triceps lateral head

16
Q

TRIANGULAR INTERVAL significance?

A

PROFUNDA BRACHII artery, RADIAL NERVE

17
Q

muscles MUSCULOCUTANEOUS nerve innervates?

A

FLEXORS - coracobrachialis, biceps, brachialis

18
Q

muscles RADIAL nerve innervates?

A

EXTENSORS - triceps, anconeus

19
Q

arm artery progression?

A

brachial artery - radial/ulnar artery (at cubital fossa)