Differences
This shows you the differences between two versions of the page.
| en:wrist_joint [2023/06/21 04:07] – 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 | ||
| - | * Rcessus sacciformis | ||
| - | * Lies infront of styloid process of ulna | ||
| - | * Infront 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 | ||
| - | * | ||
| - | * | ||
| - | * | ||
| - | * 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 | ||