Upper Limb

Hand

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Overview


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Gross Anatomy







Clinical Anatomy


Osteoarthritis at the base of the thumb

 

This is a common condition that particularly affects postmenopausal women. Forces transmitted from the tip of the thumb to the trapezometacarpal joint are amplified resulting in high loads. A complex arrangement of ligaments maintains stability at the joint. An axial grind test can localise the pathology and X-rays will demonstrate degenerative change. Conservative treatment options include hand therapy, behavioural modification, analgesia and splints. Surgical procedures include trapeziectomy, arthrodesis or joint replacement.


Quick Anatomy


Key Facts

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Aide-Memoire

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Summary


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References


Anakwe R E, Middleton S D. Osteoarthritis at the base of the thumb BMJ 2011; 343 :d7122