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First Carpometacarpal Joint (Trapeziometacarpal Joint)
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| First Carpometacarpal Joint (Trapeziometacarpal Joint) | |
|---|---|
| Primary Type | Synovial Joint |
| Secondary Type | Saddle Joint |
| Bones | Trapezium, Metacarpal |
| Ligaments | Capsule, anterior oblique, ulnar collateral, first intermetacarpal, posterior oblique, dorsoradial ligaments. |
| Muscles | |
| Innervation | Lateral antebrachial cutaneous nerve, palmar cutaneous branch of the median nerve, superficial radial nerve |
| Vasculature | First dorsal metacarpal branch of the radial artery |
| ROM | 53ยฐ of flexion/extension, 42ยฐ of abduction/adduction, and 17ยฐ of rotation |
| Volume | |
| Conditions | First Carpometacarpal Joint Osteoarthritis |
