Shoulder, rotator cuff, and elbow stretching machine

Details Shoulder, rotator cuff, and elbow stretching machine Shoulder, rotator cuff, and elbow stretching machine

1998-01-28

1999-12-28

Apley, Richard J.

Surgery: kinesitherapy

Kinesitherapy

Means for passive movement of disabled extremity to return...

601 33, 601 84, A61H 100, A61H 102

Patent

active

060075007

ABSTRACT:
A rotator cuff stretching machine with pivoting members provides for simultaneously stretching of the rotator cuff, shoulder and elbow in selective upper arm positions of yaw and pitch angles and selective elbow positions of flexion or extension. The apparatus adjusts to allow internal and external rotation stretching of the shoulder at levels of abduction from 45 degrees to 100 degrees and allows that stretch to be accomplished at various levels of horizontal adduction and abduction. The apparatus comprises an arm assembly which includes a forearm assembly for receiving a forearm of the user pivotably joined to an upper arm assembly for receiving the corresponding upper arm of the user. The arm assembly is attached to a rotating assembly so that rotation of the rotating assembly causes the arm assembly to rotate. The rotation assembly and attached arm assembly is attached to a vertical support that rotates in horizontal yaw on a vertical yaw pivot pin. This rotation produces horizontal adduction and abduction of the shoulder and arm assembly. The arm assembly is pivotably connected to the rotating assembly with a pitch pivot joint that allows the upper arm assembly to alter its pitch angle. The arm assembly also is adjustable to the length of upper arm.

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