2. Elbow Joint Flashcards
1
Q
Elbow Joint:
- Type
A
Synovial joint, Hinge type
- Fibrous layer of joint capsule
- Synovial Membrane (non articulating, inner surface of fibrous capsule)(continuous with Proximal radioulnar joint)
2
Q
Olecranon (+fossa)
A
with Ulna
3
Q
Coronoid process
A
Ulna
4
Q
Capitulum
A
Humerus
5
Q
Radial Fossa
A
Humerus
6
Q
Coronoid Fossa
A
Humerus
7
Q
Trochlea
A
on Humerus with Ulna
8
Q
Trochlear notch
A
Ulna
9
Q
Articular of Elbow joint
A
Head of radius with Capitulum
Trochlear notch of Ulnar with Trochlear
Olecranon with Olecranon fossa
10
Q
3 Ligaments of Elbow joint
A
- Anular ligament (encircles head of Radius)
- Ulnar collateral Ligament (Medial Epicondyle to coronoid process and olecranon of ulna)
- Radial collateral Ligament (Lateral Epicondyle to anular ligament)
11
Q
Elbow Flexors and Elbow Extensors
A
Flexor: - Biceps Brachii - Brachioradialis - Brachialis Extensor: - Triceps Brachii - Anconeus
12
Q
Carrying angle
A
Radially deviated forearm from the axis of Humerus
10-15 for men, > 15 for women
13
Q
abnormal carrying angle
A
- Cubitus Varus (less)
- Cubitus Valgus (more)
14
Q
Blood supply at Elbow
A
- Brachial Artery
- Radial Artery
- Ulnar Artery
15
Q
Bursitis of Elbow (5)
- Student’s Elbow
A
- Sucutaneous + Intratendinous Olecranon Bursa
16
Q
Cubital Fossa
A
- Lateral border – medial border of the brachioradialis muscle.
- Medial border – lateral border of the pronator teres muscle.
- Superior border – horizontal line drawn between the epicondyles of the humerus.
- Roof – bicipital aponeurosis, fascia, subcutaneous fat and skin.
- Floor – brachialis (proximally) and supinator (distally).
Content:
- Radial Nerve
- Biceps Tendon
- Brachial Artery
- Median Nerve
- Medical Cubital Vein (roof of Fossa)
17
Q
Elbow Dislocation
A
- Posteriors Dislocation
- Medial Epicondylar Fracture
18
Q
Elbow Fracture
A
- Supracondylar fracture due to hyperextension of outstretched hand (common in children)
- Medial Epicondylar fracture due to elbow dislocation
