arm

Question 0

significance of ANATOMIC, SURGICAL neck?

Answer 0

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

Question 1

humeral, glenoid RETROVERSION?

Answer 1

30degrees, 5degrees

Question 2

muscles attached to greater tuberosity?

Answer 2

supraspinatus, infraspinatus, teres minor

Question 3

muscle attached to lesser tuberosity?

Answer 3

subscapularis

Question 4

another name for bicipital groove?

Answer 4

INTERTUBERCULAR groove

Question 5

SPIRAL GROOVE significance?

Answer 5

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

Question 6

elbow joint articulations?

Answer 6

trochlea-olecranon (ulna), capitulum-radial head

Question 7

“carrying angle”?

Answer 7

7-degree valgus

Question 8

kindS of joints in elbow?

Answer 8

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

Question 9

angle of MAXIMUM CAPSULAR DISTENTION in elbow?

Answer 9

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

Question 10

STRONGEST of all elbow ligaments?

Answer 10

ANTERIOR bundle of MCL (most important in resisting valgus)

Question 11

TRIANGULAR SPACE borders (medial to quadrangular space)?

Answer 11

teres minor and major, triceps long head

Question 12

TRIANGULAR SPACE significance?

Answer 12

SCAPULAR CIRCUMFLEX vessels

Question 13

QUADRANGULAR SPACE borders (lateral to triangular space)?

Answer 13

teres minor and major, triceps long head, humerus

Question 14

QUADRANGULAR SPACE significance?

Answer 14

posterior HUMERAL CIRCUMFLEX vessels, AXILLARY NERVE

Question 15

TRIANGULAR INTERVAL borders (inferior to quadrangular space)?

Answer 15

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

Question 16

TRIANGULAR INTERVAL significance?

Answer 16

PROFUNDA BRACHII artery, RADIAL NERVE

Question 17

muscles MUSCULOCUTANEOUS nerve innervates?

Answer 17

FLEXORS - coracobrachialis, biceps, brachialis

Question 18

muscles RADIAL nerve innervates?

Answer 18

EXTENSORS - triceps, anconeus

Question 19

arm artery progression?

Answer 19

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