Joints

Question 1

What ligament holds the head of the radius, with freedom for rotation?

Answer 1

Annular ligament

Question 2

What ligament binds the corocoid process with the greater tubercle of the humerus?

Answer 2

Coracohumeral ligament

Question 3

What ligament spans the greater and lesser tubercles of the humerus, and encloses the tendon of the long head of the biceps brachia?

Answer 3

Transverse humeral ligament

Question 4

Name the 3 bursae at the glenohumeral joint, which enable greater ease of movement

Answer 4

1. Subacromial
2. Subdeltoid
3. Subscapular

Question 5

What ligament binds the supraglenoid tubercle to the lesser tubercle of the humerus?

Answer 5

(Superior) glenohumeral ligament

Question 6

Fibrocartilagenous ligament surrounding margin of glenoid cavity; deepens socket

Answer 6

Glenoid labrum

Question 7

What ligament joins the acromion process to the clavicle?

Answer 7

AC (acromioclavicular) ligament

Question 8

What ligament joins the acromion process to the coracoid process?

Answer 8

CA (coraco-acromial) ligament

Question 9

What ligament(s) join the clavicle to the coracoid process?

Answer 9

CC (coraco-clavicular) ligament

Question 10

What ligament joins the

anular lig. of radius to the lateral epicondyle of the humerus?

Answer 10

Radial collateral ligament

Question 11

What ligament joins the medial epicondyle of the humerus to the (1) coronoid process of ulna (2) olecrenon of ulna? Hint: it looks like a triangle from the medial side

Answer 11

Ulnar collateral ligament

Question 12

Which ligament permits pronation and supination of the forearm?

Answer 12

Annular ligament of radius

Question 13

Name a fibrous (syndesmosis) joint in the forearm

Answer 13

Interosseous membrane

Question 14

Which two muscles attach to the anterior side of the interosseous membrane?

Answer 14

1. Flexor digitorum profundus

2. Flexor pollicus longus

Question 15

Which 4 muscles in the posterior compartment of the forearm attach to the interosseous membrane?

Answer 15

3 Extrinsic thumb muscles…

1. AbPL
2. EPL
3. EPB

…and 4. EI

Question 16

Which ligament binds the radius and ulna together at the palm, and can “fold” during pronation of forearm?

Answer 16

Palmar radioulnar ligament

Question 17

Name a saddle joint in the hand

Answer 17

TMC: trapeziometacarpal joint

Question 18

Name a hand joint that “glides”

Answer 18

CMC: carpal-metacarpal joint

Question 19

Name a hand joint that can ONLY flex and extend

Answer 19

Interphalangeal joints

Question 20

Does the ulna articulate with the carpals?

Answer 20

No. It “floats”