https://www.selleckchem.com/pr....oducts/crenolanib-cp
We aimed to determine (1) the test-retest reliability of a newly developed portable fixed dynamometer (PFD) as compared to the hand-held dynamometer (HHD) in patients with motor neuron disease (MND) and (2) the PFD's ability to reduce possible examiner-induced ceiling effects. Test-retest reliability of isometric muscle strength of the quadriceps was measured in patients with MND and non-neurological controls using the HHD and PFD. Reliability was estimated by the intraclass correlation coefficient (ICC) and standard error
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