KEY WORDSforearm muscle strength dynamometer reproducibility of results OBJECTIVE. The objective was to determine the reliability of a portable forearm strength hydraulic dynamometer with a doorknob handle and assess its validity compared with a Cybex 6000 (Cybex International, Inc., Medway, MA) isometric torque assessment.METHOD. Eighteen volunteers (with a total of 30 forearms) participated in this one-session methodological study to determine the intra-and interrater reliability and criterion validity of a forearm dynamometer. CONCLUSION. The Baseline hydraulic dynamometer with a more functional doorknob handle had good intraand interrater reliability and demonstrated moderate validity compared with Cybex 6000 strength testing. RESULTS.

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