Simulated Lift Testing Using Computerized Isokinetics

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Abstract
Eighty-four volunteer asymptomatic men between 18 and 40 years of age were evaluated as to their ability to lift. An innovative isokinetic device was used to measure lifting force. This device does not isolate any specific body part, yet it measures the muscular force of lifting an object whose speed of ascent is controlled. Two lifting methods (bent knee, straight leg) and two foot positions were used. The results indicate the bent-knee lift method and forwardfoot position was the position of optimal force production. Force production increase was inversely proportional to age. The authors concluded that the isokinetic lift device has promising capabilities to produce repeatable data and may be advantageous in generating standards for rehabilitation and specific job criteria.

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