Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Patent
1990-10-05
1992-09-29
Apley, Richard J.
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing weight resistance
482102, 482 99, 482 8, 482 5, 482115, 482118, 482120, A63B 21062
Patent
active
051510715
ABSTRACT:
An isoinertial lift machine is described which can be used to evaluate and train patients in the static and dynamic lift modes. The machine consists of an arm which can be positioned on a vertical column. At the end of the arm, various size attachments and handles can be attached. The arm also carries a force sensor that measures the forces applied to the handles. In the static mode, the arm is positioned at a desired height and locked in place. The patient lifts on the handle, and the force sensor registers the lifting force. Since the handle does not move during the lift, the mode is called static. In the dynamic mode, the arm/handle moves in the vertical direction during the lift. A resistance mechanism is used to resist the lifting force applied by the user at the handle. The resisting force is always pulling the arm down, both in the lifting and the lowering motion. The resisting force remains constant throughout the range of motion during lifting. The isoinertial machine can also be used in the static mode. The machine also allows the user to test pushing and pulling loads in static mode only.
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Jain Sanjeev
Vermette John E.
Apley Richard J.
Baltimore Therapeutic Equipment Co.
Brown James J.
Crosby D. F.
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