Thenar longitudinal scan of MCP joint
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The patient sits, hand supinated, arm supported. The transducer is placed in an oblique sagittal plane parallel to the long axis of the first metacarpophalangeal bone. The transducer is now moved medially until the flexor pollicis longus tendon is observed.
Skin, subcutaneous fat, flexor pollicis brevis muscle, flexor pollicis longus tendon and adductor pollicis muscle are visualised. Flexion of the thumb allows movement of the flexor pollicis longus tendon in its tendon sheath to be identified.
Thenar transverse scan of MCP joint
Watch a video of the thenar transverse MCP joint scan. See subcutaneous fat, flexor pollicis brevis muscle, flexor pollicis longus tendon and adductor pollicis.
Hand and wrist pain
Hand and wrist pain is very common and usually doesn’t have a serious cause. Learn about treatments, exercises and other ways to manage hand and wrist pain.