Joints Of The Upper Limbs

Question 1

Sternoclavicular joint:

1. Articulations
2. Ligaments?
3. Movements?
4. Blood supply?
5. Nerve supply?

Answer 1

1. Sternal end of the clavicle, manubrium, and 1st costal cartilage
2. Mostly sternoclavicular ligaments but also costoclavicular ligament
3. Forward/backward movement of clavicle; elevation/depression of clavicle
4. Internal thoracic artery and suprascapular artery
5. Supraclavicular nerve and nerve to the subclavius

Question 2

Acromioclavicular joint

1. Articulations
2. Ligaments?
3. Movements?
4. Blood supply?
5. Nerve supply?

Answer 2

1. Acromion and lateral end of clavicle
2. Superior and inferior acromioclavicular ligaments
3. Gliding movement when scapula rotates or when clavicle is elevated or depressed
4. Thoracoacromial artery and suprascapular artery
5. Suprascapular nerve

Question 3

Glenohumeral joint

2. Ligaments?
3. Movements?
4. Blood supply?
5. Nerve supply?

Answer 3

2. Superior, middle, and inferior glenohumeral ligaments
3. Extension, flexion, adduction, abduction, circumduction, medial and lateral rotation
4. Axillary artery (ant/post circumflex humeral artery) and suprascapular artery
5. Axillary and subscapular nerve

Question 4

Elbow joint

1. Articulations
2. Ligaments?
3. Movements?
4. Blood supply?
5. Nerve supply?
6. Capsule

Answer 4

1. Trochlea and capitulum of humerus, trochlear notch of ulna, head of radius
2. Medial and lateral ligament
3. Flexion and extension
4. Proximal to elbow joint= ulnar, radial, and medial collateral artery; distal= radial and ulnar recurrent artery
5. Branches from median, ulnar, musculocutaneous, and radial nerves
6. Ant= humerus/epicondyles and coronoid process of ulna; post= olecranon fossa of humerus and olecranon process of ulna/annular ligament

Question 5

Proximal radioulnar joint:

1. Articulations
2. Ligaments?
3. Movements?
4. Relations?
5. Blood supply?
6. Nerve supply?

Answer 5

1. Head of the radius and the annular ligament and radial notch on the ulna
2. Annular ligament (forms collar around head of radius)
3. Pronation and supination
4. Ant= supinator and radial nerve
5. Deep brachial, radial and common interossesous arteries
6. Branches of median, ulnar, musculo., and radial nerves

Question 6

Distal radioulna joint

1. Articulations
2. Ligaments?
3. Movements?
4. Blood supply?
5. Nerve supply?

Answer 6

1. Between rounded head of the ulna and ulnar notch of the radius (by wrist)
2. Weak anterior and posterior ligaments
3. Pronation and supination
4. Ant and post interosseous arteries and ulnar artery
5. Anterior interosseous nerve and deep branch of the radial nerve

Question 7

Radiocarpal (wrist) joint

1. Articulations
2. Ligaments?
3. Movements?
4. Blood supply?
5. Nerve supply?
6. Capsule

Answer 7

1. Has 2: distal radius with scaphoid/lunate and fibrocartilaginous disc with lunate/triquetrum
2. Radial and ulnar collateral ligaments and dorsal radiocarpal ligament
3. Flexion, extension, adduction, abduction, and circumduction
4. Branches of the dorsal and palmar carpal arches
5. Anterior interosseous nerve and deep branch of the radial nerve
6. Above the distal ends of radius/ulna and to proximal row of carpals

Question 8

What do the ulnar and radial collateral ligaments do?

Answer 8

Ulnar limits radial deviation, terminal wrist flexion and extension

Radial limits ulnar deviation, terminal wrist flexion and extension

Question 9

Intercarpal joints

1. Articulations
2. Ligaments?
3. Movements?
4. Blood supply?
5. Nerve supply?
6. Capsule?

Answer 9

1. Between the proximal and distal row of carpals
2. Anterior and posterior interosseous ligaments
3. Subtle gliding motions allowed between adjacent bones
4. Palmar and dorsal carpal arches
5. Anterior interosseous nerve; deep branch of both radial and ulnar nerve
6. Capsule surrounds each joint

Question 10

CMC and intermetacarpal joints

2. Ligaments?
3. Movements?
4. Blood supply?
5. Nerve supply?

Answer 10

2. Anterior, posterior and interosseous ligaments
3. Small amount of gliding possible
4. Palmar and dorsal carpal arches
5. Anterior and posterior interosseous nerves, deep and dorsal branches of ulnar nerve

Question 11

CMC of thumb

1. Articulations
2. Movements?
3. Type of joint?

Answer 11

1. Between trapezium and base of 1st metacarpal
2. Flexion, extension, adduction, abduction, rotation (opposition)
3. Saddle

Question 12

MCP joints

1. Articulations
2. Ligaments?
3. Blood supply?
4. Nerve supply?
5. Movements

Answer 12

1. Between heads to metacarpals and bases of proximal phalanges
2. Radial and ulnar collateral ligaments, palmar ligament, deep transverse metacarpal ligament
3. Princeps pollicis artery, palmar and dorsal metacarpal arteries, radialis indicis artery, common palmar digital arteries
4. Posterior interosseous nerve, deep terminal branch of ulnar nerve, palmar branches of median nerve
5. Flexion, extension, abduction, adduction (MCP at thumb just do flexion and extension)

Question 13

PIP and DIP

1. Blood supply?
2. Nerve supply?
3. Ligaments?

Answer 13

1. Proper palmar digital arteries
2. Anterior and posterior interosseous nerves
3. Radial and ulnar collateral ligaments