Ape Hand

Original Editor - User Name

Top Contributors - Kehinde Fatola, Joseph Ayotunde Aderonmu, Ahmed M Diab, Kim Jackson and Shaimaa Eldib

Introduction

Ape hand is a physical deformity in humans causing inability to abduct or oppose the thumb thereby causing the thumb little or no abduction and opposition. Abduction of the thumb is the ability to move the perpendicular (90°) away from the plane of the palm. Opposition is the ability of the first metacarpal to swing over the palmar surface of the hand so that the thumb and the tip of the little finger are in contact. The thumb may also experience limited flexion and extension.

Mechanism of Injury / Pathological Process

The mechanism of injury are deep injuries to the arm, forearm and wrist causing damage to the median nerve thereby causing impairment to the thenar muscles and opponents policis

Clinical Presentation

The condition is a part of median nerve palsy and it typically present with problems moving the thumb in various planes. There is limited range of motion of the thumb.

Management / Interventions

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Differential Diagnosis

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Resources

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