MS lectures 3-4 Flashcards Preview

Musculoskeletal > MS lectures 3-4 > Flashcards

Flashcards in MS lectures 3-4 Deck (16):
1

What articulates with the trochlea of the humerus?

Ulna

2

Where does the Colles fracture happen?

Radius

3

What bone is the most common carpal fracture?

Scaphoid (capitate --> scaphoid --> radius)

4

What nerve passes through the carpal tunnel?

median nerve

5

What are the 3 structures common to all synovial joints?

Articular capsule, synovial cavity, and articular cartilage.

6

Which rotator cuff muscle is anterior?

subscapularis m.

7

Which rotator cuff muscle is most commonly ruptured?

supraspinatus m.

8

The "Tommy John Procedure" is what?

It is the transplant of a long tendon to repair/replace the ulna collateral ligament that is capsular and provides stability,

9

Sublaxation of the radial head impacts which ligament?

Anular ligament

10

What is the cephalic vein? What is the basilic vein?

The cephalic vein is located on the lateral side, the basilic vein is on the superficial medial side.

11

What is the median cubital vein why is it important?

The median cubital vein shunts the vein in both directions and is a common area for blood to be drawn.

12

Describe the path of arteries of the upper arm.

Right subclavian a. --> axillary a. --> brachial a. --> radial a. and ulnar a.

13

What are the 5 terminal branches of the brachial plexus?

Musculocutaneous, Axillary, Median, Radial, Ulnar nerves.

14

What does musculocutaneous nerve innervate?

Motor: coracobrachialis, biceps brachia and brachial. (anterior muscles of arm allowing for flexion)

Sensory: skin of lateral side of forearm

15

What does the median nerve innervate?

Motor: anterior compartment of forearm

Sensory innervation: radial half of palm and palmer side of later 3.5 digits

16

What is unique about the serratus anterior muscles innervation by long thoracic n.?

The long thoracic n. is superficial to the serratus anterior m.!