We investigated whether or not the 10-second chair stand test for the frail elderly (Frail CS-10) is useful for assessing Parkinson's disease (PD) patients. [Subjects] The subjects were 21 PD patients. [Method] We measured the Frail CS-10 and the strength of the quadriceps femoris, which has hitherto been used as a representative index of lower limb strength, and examined their relationships with indices of lower limb function [sway, timed up-and-go test (TUG), 5m maximum walking speed, 10m obstacle course time (10m OCT), and the motor subscore of the functional independence measure (FIM-M)]. [Results] The Frail CS-10 showed significant correlations with TUG, 10m OCT, and FIM-M. However, quadriceps femoris strength did not show a significant correlation with any of the physical functions. [Conclusion] The Frail CS-10 is a simple assessment method for estimating the lower limb function of PD patients, and is better than the quadriceps femoris strength, which has hitherto been used as a representative index of lower limb strength.
The Frail CS-10 and quadriceps muscular strength were measured in 17 Parkinson's disease patients (5 males and 12 females) to examine the relationships with the FIM motor item. Regarding the method, the relationships of the Frail CS-10 and quadriceps muscular strength with the FIM-M and FIM-M subclassification were investigated using the Pearson correlation coefficient. As
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