Differences
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en:wrist_joint [2023/06/21 10:53] – brahmantra | en:wrist_joint [] () – - () 127.0.0.1 | ||
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- | ====== RADIOCARPAL JOINT ====== | ||
- | * Wrist | ||
- | * Type | ||
- | * Radiocarpal joint | ||
- | * Ellipsoid variety ( synovial ) | ||
- | * Articular surfaces | ||
- | * Upper | ||
- | * Inferior surface of lower end of radius | ||
- | * Articular disc of inferior radioulnar joint | ||
- | * Lower | ||
- | * Scaphoid | ||
- | * Lunate | ||
- | * Triquetral | ||
- | * Ligaments | ||
- | * Articular capsule | ||
- | * Attachment | ||
- | * Above to lower ends of radius and ulna | ||
- | * Below to proximal row of carpal bones | ||
- | * Recessus sacciformis | ||
- | * Lies infront of styloid process of ulna | ||
- | * In front of articular disc | ||
- | * Palmar radiocarpal ligament | ||
- | * Broad band | ||
- | * Palmar ulnocarpal ligament | ||
- | * Begins above base of styloid process of ulna | ||
- | * And anterior margin of articular disc | ||
- | * Dorsal radiocarpal ligament | ||
- | * Begins above posterior margin of lower end of radius | ||
- | * Attached below to | ||
- | * Dorsal surfaces of scaphoid , lunate and triquetral | ||
- | * Radial collateral ligament | ||
- | * Extent | ||
- | * Tip of styloid process of radius to lateral side of scaphoid bone | ||
- | * Ulnar collateral ligament | ||
- | * Extent | ||
- | * Tip fo styloid process to triquetral and pisiform bones | ||
- | * Blood supply | ||
- | * Anterior and posterior carpal arches | ||
- | * Nerve supply | ||
- | * Anterior and posterior interosseus nerves | ||
- | * Relations | ||
- | * Anterior - long flexor tendons of and median nerve | ||
- | * Posterior - extensor tendons of wrist , and fingers with their synovial sheaths | ||
- | * Lateral - radial artery | ||
- | * MOVEMENTS | ||
- | * Flexion | ||
- | * Flexor carpi ulnaris , flexor carpi radialis , palmaris longus | ||
- | * Extension | ||
- | * Extsnro carpi radialis longus and brevis | ||
- | * Abduction ( radial deviation ) | ||
- | * Flexor carpi radialis , extensor carpi radialis brevis and longus | ||
- | * Adduction ( ulnar deviation ) | ||
- | * Flexor and extensor carpi ulnaris | ||
- | * Circumduction | ||
- | |||
- | |||
- | | | ||
- | | Type | Synovial ellipsoid joint; | ||
- | | Articular surfaces | ||
- | | | Distal component - scaphoid, lunate and triquetral of the proximal row of carpal bones (also includes triangular fibrocartilage complex) | ||
- | | Ligaments | ||
- | | Innervation | ||
- | | | Posterior interosseous nerve arising from radial nerve (C7-C8) | ||
- | | | Deep and dorsal branches of the ulnar nerve (C8-T1) | ||
- | | Blood supply | ||
- | | Movements |