2 - Aldridge - Joints of Upper Limb

Question 1

What ligaments hold the Acromioclavicular Joint (AC) together?

Answer 1

Coracolavicular and acromioclavicular ligaments

Coracoacromial Ligament does NOT hold joint together

Question 2

What ligament will likely remain intact in a separated shoulder?

Answer 2

Coracoacromial

Question 3

What causes the shoulder to drop in a separated shoulder?

Answer 3

Weight of limp, trap elevates clavicle

Question 4

Two openings in Glenogumeral Joint?

Answer 4

1. Opening for tendon of long head of biceps brachii
2. Opening for subscapular bursa

Question 5

Structures on back of elbow?

Answer 5

Olecranon Fossa

Olecranon Process

Question 6

Answer 6

Question 7

Answer 7

Question 8

What areas is the elbow capsule weak? Why?

Radial Collateral Ligament Strengthens?

Ulnar Collateral Ligamen Strengthens?

Answer 8

Anterior / Posterior, allow for flexion/extension

RCL - Lateral Stength

UCL - Medial Strength

Question 9

Proximal Radioulnar Joint

Answer 9

Pivot joint for supination-pronation

Question 10

Transfer of Forces from FOOSH?

Answer 10

Energy from Radius is tranferred to Ulna via Interosseus Membrane

Question 11

Articular Disc

Answer 11

Attached to border of ulnar notch of radius to styloid process of ulna, separates distal radioulnar joint from wrist joint

Question 12

Radiocarpal Joint

Answer 12

Radius and articular disc sit above

Scaphoid, Luate, and Triquetral sit below

permits Flexion/Extension and Abduction/Adduction

Question 13

What type of joint in the wrist?

Answer 13

Ellipsoidal

Question 14

What stabilizes side of finger joints?

What holds finger joints together?

Answer 14

Collateral Ligaments

Deep transvers metacarpal ligaments