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AMA Guides 5th Edition - California Orthopaedic Association

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Grip Strength• If the following is true:– If there is evidence that the individual isexerting less than maximal effort, the gripstrength measurements are invalid forestimating impairment (16.8b Grip and Pinch Strength, page 509)• Then shouldn’t this be true?– If there is evidence that the individual isexerting maximal effort, the grip strengthmeasurements are valid for estimatingimpairment– Doesn’t the physician determine validity?

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