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Elbow
written questions
| Question | Answer |
|---|---|
| What type of joint is the elbow? | Hinge joint/Uniaxial |
| What is the radioulnar joint? | the articulation between the radius and the ulna. |
| Desbribe the superior or proximal radioulnar joint | At the proximal end, the head of the radius pivots within the radial notch or the ulna. |
| Describe the ingerior or distal radiolulnar joint | At the distal end, the ulnar notch of the radius rotating around the head of the ulna. |
| Define Valgus | Turned outward |
| Define Varus | turn inward |
| What is the Annular ligament? | It attaches anteriorly and posteriorly to the radial notch of the ulna, encompassing the head of the radius and holding it against the ulna. |
| What is the interosseous membrane? | holds together the radioulnar articulations. Provides attachment of the forearm and wrist muscles. |
| What is the definition of Carrying Angle? | The longitudinal axes of the humerus and forearm form an angle. |
| What nerve innervates the Brachialis Muscle | Musculocutaneous nerve C5, C6 |
| What nerve innervates Brachioradialis Muscle? | Radial nerve C5, C6 |
| What nerve innervates the Pronator teres Muscle? | Median nerve C6, C7 |
| What nerve innervates the Supinator Muscle? | Radial nerve C6 |