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Objective: To compare muscle strength, balance, walking and stair climbing abilities among individuals after chronic stroke with or without mental health problems; to describe their physiological response after stress stimulation.
Material and Method: Subjects who had their first stroke more than one year ago were classified for mental health problems
according to the Depression Anxiety Stress Scale-21. Lower extremity muscle strength of the quadriceps and plantar flexors,
was measured by dynamometer. Balance and walking performance was measured by the Berg Balance Scale (BBS), 10-m walk test and timing of stair climbing. Community participation and spiritual well-being were measured. The physiological response of stress stimulation was assessed by the long stress test protocol of the biofeedback device.
Results: Forty-five subjects with chronic stroke aged 40-80 years were grouped by with (n = 25) and without mental health problems (n = 20). Significant differences were found in quadriceps muscle strength, BBS, walking and stair climbing speed, community participation and spiritual well-being between two groups. In the stress stimulus phase, the electromyography and heart rate variability demonstrated significant difference between those with and without stress.
Conclusion: Individuals with chronic stroke with mental health problems demonstrated decreased quadriceps muscle strength, balance and locomotor performances.
Keywords: Stress, Anxiety, Depression, Walking speed, Stair climbing