1. There s no evidence of thenar muscles and rarely functioning tendons. 2. Both involve a less developed first metacarpal and a nearly absent thenar musculature. 3. It also supplies the muscles of the thenar eminence by a recurrent thenar branch. 4. It also supplies the muscles of the thenar eminence by a recurrent thenar branch. 5. The thumb has one long flexor and a short flexor in the thenar muscle group. 6. The palm consist of two elongated central pads, a hypothenar pad and a thenar pad. 7. It is not in the thenar group of muscles, so is supplied by the ulnar nerve. 8. In " Ape hand deformity ", the thenar muscles become paralyzed due to impingement and are subsequently flattened. 9. Carpal tunnel syndrome can result in thenar muscle paralysis which can then lead to ape hand deformity if left untreated. 10. This hand deformity is not by itself an individual diagnosis; it is seen only after the thenar muscles have atrophied.
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