Ape Hand Deformity

It can occur with an injury of the median nerve either at the elbow or the wrist impairing the thenar muscles and opponens pollicis muscle. The Ape Hand Deformity is caused by damage to the proximal median nerve and subsequent loss of opponens pollicis muscle function.

Ape Hand Deformity Median Nerve Palsy Hands Nerve Palsy Deformed

-4th and 5th fingers are in flexion.

Ape hand deformity

. The median nerve is derived from medial and lateral cords of the brachial plexus It contains fibres from all five roots C5-T1. Injury to the median nerve can result in ape hand a human deformity characterized by an inability to move the thumb outside the plane of the palm. Failure to resist the thumb such as a certain hyperextension of the index finger and thumb.

After originating from the brachial plexus in the. Popes Hand Hand of Benediction The popes hand is seen with median nerve dysfunction when asking the patient to make a fist due to inability to flex 1st 2nd fingers at PIP. Paralysis and atrophy of the thenar muscles result.

The name ape hand deformity is misleading as apes have opposable thumbs. Ape thumb deformity who cannot move the thumb away from the rest of the hand due to paralysis of thenar muscles due to median nerve injury or polio or leprosy. Deformity of the Ape-Hand is caused by lesions of the median nerve compression and neuritis.

How is this condition treated. Problem in the thenar eminence muscles all innervated by the. A cervical posterior decompression was performed that relieved the patients symptoms figure B and the ape hand deformity improved after physiotherapy followed by recovery of both ambulation and prehension but alcohol consumption continued.

Ape thumb deformity who cannot move the thumb away from the rest of the hand due to paralysis of thenar muscles due to median nerve injury or polio or leprosy. In This Video it is expected to know1 what are the characteristics of Median nerve Injury2 What are the two nerve that Supply the Flexor Digitorum Profun. Ape hand deformity can also be seen in the hand of benediction deformity.

Abduction of the thumb is the ability to move the perpendicular 90 away from the plane of the palm. Bilateral ape hand deformity. Innability to use the thumb.

Ape hand also called Simian hand is a deformity of thumb characterized by an inability to abduct the thumb or by extension of thumb parallel to the plane of the fingers thumb normally extends perpendicular to the palm It is caused by Median Nerve injury also called Median claw lesion which causes wasting of the muscles of the thenar eminence. The median nerve controls the 1st 2nd lumbricals three thenar muscles abductor pollicis brevis flexor pollicis brevis and via a distal branch the opponens pollicisAdditionally theremay be thenar atrophy. -It will be in EXTENSION ONLY.

This may be a fracture or dislocation or a soft tissue injury. As median nerve injuries at the elbow are usually caused by another acute injury the priority is to treat the initial injury. The appearance of a paralyzed atrophic thumb lying parallel instead of perpendicular to the fingers resembles an apes hand and has been called the simian hand ape hand.

Innability to use the thumb. Atrophy of Thenar making the thumb in the same plane as the hand hence the name Ape-Hand. -also known as benediction.

The apparent signs of the hands of an ape are. Amelot A1 Lechanoine F2 Franois P2 Terrier LM2. A deformity of the hand in which the thumb is permanently extended usually caused by a median nerve injury.

Ape hand is a physical deformity in humans causing an inability to abduct or oppose the thumb thereby causing the thumb little or no abduction and opposition. B Improvement of ape hand deformity after spine cord decompression as demonstrated by cervical MRI. Eric Laywell Associate Professor at the Florida State University College of Medicine discusses three hand deformities resulting from various injuries t.

Ape Hand Deformity Wrist Drop Claw Hand Therapy Home Exercise Program Nbcot Exam

Median Nerve Injuries Low Loss Of Thumb Opposition And Abduction With Ape Hand And Thenar Eminence Atroph Median Nerve Hand Therapy Activities Of Daily Living