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Passive supination

Positioning.

The subject stands with the arm hanging and the elbow bent to 90°. The examiner stands in front of the subject. Both hands encircle the distal part of the forearm in such a way that the heel of the ipsilateral hand is placed on the dorsal aspect of the ulna and the fingers of […]

PASSIVE TESTS OF THE DISTAL RADIOULNAR JOINT

Passive pronation

Positioning.

The subject stands with the arm hanging and the elbow bent to 90°. The examiner stands in front of the subject. Both hands encircle the distal part of the forearm in such a way that the heel of the contralateral hand is placed on the palmar aspect of the ulna and […]

Palpation of soft tissue

Place one finger just radially to the dorsal tubercle of the radius. Ask the subject to make a first and to squeeze and unsqueeze it. During this action tendinous tightening can be felt. These are the tendons of the extensor carpi radialis longus and extensor carpi radialis brevis. When the subject continues these muscular contractions […]

Dorsal

Radius and ulna are easily palpable. The styloid process of the radills descends a bit further distally than the styloid process of the ulna. The distal radioulnar joint can be recognized by grasping the distal end of the radius with one hand and the distal end of the ulna with the other, and by moving […]

Resisted extension

Positioning.

The subject stands with the arm alongside the body, the elbow flexed to 90° and the forearm in supination. The examiner stands level with the elbow. One hand supports the distal part of the forearm and the other hand is on top of the shoulder.

Procedure.

Resist the subject’s attempt to extend the elbow.

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Passive pronation

Positioning.

The subject stands with the arm hanging and the elbow bent to a right angle. The examiner stands in front of the subject. Both hands encircle the distal forearm in such a way that the heel of the contralateral hand is placed against the volar part of the ulna and the fingers of the […]

Perilunate Dislocation

Perilunate dislocation is a dorsal dislocation of the capitate in relation to the lunate bone, which may sometimes be dislocated anteriorly at the same time. It may occur in association with a dislocation or fracture of the scaphoid and is caused by forced dorsiflexion or axial compression of the wrist.

Symptoms and diagnosis

– Changed […]