Quality of Life Research, Vol. 28, No. 4 (April 2019), pp. 1029-1033 (5 pages) Purpose The US Food and Drug Administration (FDA) 2009 guidance for industry on patient-reported outcome (PRO) measures ...

Background: Isokinetic dynamometry is a widely used tool for measuring muscle strength in clinical intervention and rehabilitation as well as research in children. Objective: To assess the test-retest ...