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Upper-body-rotation-assembly-for-a-back-test-rehabilitation-and-exercise-machin

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Upper body rotation assembly for a back test, rehabilitation and exercise machin

Details

Inventors: Skowronski, Richard E.;
Assignee: Lumex, Inc. (Bay Shore, NY)
Primary Examiner: Apley; Richard J.
Assistant Examiner: Flaxman; Howard
Attorney, Agent or Firm: Davis Hoxie Faithfull & Hapgood

An upper body rotation assembly for a back test, rehabilitation and exercise machine designed for the isolated testing, rehabilitation and exercise of the lower back musculature of a person in rotation about a vertical axis is disclosed. The rotation assembly has a curved chest pad which bears against the chest of the person and a scapula pad which bears against the scapula of the person. The curve of the chest pad is designed to fit the greatest variety of upper body shapes and sizes, providing the greatest comfort and stabilization to the largest portion of the population possible. Two belts, one on each side of the rotation assembly, secure the chest pad to the scapula pad. The rotation assembly is attached to a frame of the machine such that when the person exerts a rotational force against the chest pad and the scapula pad the rotation assembly rotates relative to the frame of the machine. A handle is provided on the chest pad for the person to grab onto with his or her hands while exerting a rotational force against the chest pad and the scapula pad. An operator of the machine can align a natural anatomical axis of the upper body of the person with an axis of rotation of the rotation assembly by sliding the scapula pad backward and forward until the sagittal midline plane of the person is visually aligned with a bracket on the frame of the machine. The chest pad may be raised or lowered so that the person may easily enter or exit from the rotation assembly.

DETAILED DESCRIPTION The present invention is for an upper body rotation assembly for a back test, rehabilitation and exercise machine designed for the isolated testing, rehabilitation and exercise of the lower back musculature of a person in rotation about a vertical axis.
The rotation assembly of the present invention has a curved chest pad which bears against the chest of the person.
The curvature of the chest pad is designed to fit the greatest variety of upper body shapes and sizes, providing the greatest comfort and stabilization to the largest portion of the population possible.
The rotation assembly also has a scapula pad which bears against the scapula of the person.
The chest pad is attached to a front support structure which in turn is attached to a top support structure.
The scapula pad is attached to a rear support structure which is also attached to the top support structure.
The top support structure is attached to a slide assembly such that the top support structure may slide forward or backward in the slide assembly when two toggle clamps are in the unlocked position.
The slide assembly is attached to a frame of the machine such that the rotation assembly will rotate relative to the frame of the machine when the person exerts a rotational force against the chest pad and the scapula pad.
The chest pad is secured to the scapula pad by two belts, one on each side of the rotation assembly.
The chest pad also has attached to it a handle whereby the person, when exerting a rotational force against the chest pad and the scapula pad, may secure his or her arms against movement by grabbing the handle.
The chest pad and front support structure may be raised or lowered to allow the person to easily enter or exit from the rotation assembly.
A gas spring attached at one end to the top support structure and at the other end to the front support structure keeps the chest pad and the front support structure in a raised position unless pulled down by an operator of the machine.
The gas spring also keeps the chest pad lightly against the chest of the person when the chest pad and the front support structure are in the lowered position

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