These two photos (Figures 1 and 2) show wasting of the left small hand muscles including the interosseous muscles, 3rd and 4th lumbricals and hypothenar muscles. The picture also shows an ulnar claw hand in which there is extension of the metacarpophalangeal joints and flexion of the proximal and distal interphalangeal joints of the 4th and 5th digits. This pattern of wasting is compatible with an ulnar neuropathy.
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Tagged with: Lower motor neuron sign Muscle wasting Peripheral neuropathy Ulnar nerve Ulnar neuropathy