Physical therapy research · 2026
Effects of Sit-to-stand Exercise Instruction and Goal-setting on Reducing Sitting Time in Chronic Stroke Survivors: A Randomized Crossover Trial.
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Shibuya Mitsutaka, Harada Kazuhiro, Yamashita Yohsuke, Takaoka Katsuki, Ikewaki Keiji, Hirashima Kenichi, Uguisu Haruo
Аннотация
OBJECTIVES: This study compared the effects of sit-to-stand exercise instruction (STS instruction) and participant-led goal-setting on sedentary behavior in chronic stroke survivors with reduced walking ability. We hypothesized that STS instruction would reduce prolonged sitting bouts more effectively than goal-setting.
METHODS: Twelve chronic stroke survivors completed a randomized crossover trial consisting of two 2-week interventions (STS instruction and participant-led goal-setting) separated by a 1-month washout. Physical activity time was measured using a thigh-worn activPAL4 accelerometer. The primary outcomes were the number and total duration of prolonged sitting bouts ≥30 min. Secondary outcomes included total sitting/lying time, standing/walking time, sit-to-stand transitions, and prolonged sitting bouts ≥60 min.
RESULTS: A significant intervention × time interaction was observed for prolonged sitting bouts ≥30 min (p = 0.049), with different pre-post patterns between intervention phases (STS: 8.4-7.0/day; goal-setting: 8.1-9.3/day). The interaction for the total duration of ≥30-min bouts was not statistically significant (p = 0.156). No significant intervention × time interactions were observed for total sedentary time, standing/walking time, or for the number or total duration of sitting bouts ≥60 min.
CONCLUSIONS: STS instruction may contribute to modifying sitting patterns in chronic stroke survivors with limited walking ability, even without changes in total sedentary or upright time. These preliminary findings suggest that a simple, task-oriented approach may help modify sedentary patterns, although clear superiority over participant-led goal-setting was not demonstrated. Larger and longer-term trials are needed.
METHODS: Twelve chronic stroke survivors completed a randomized crossover trial consisting of two 2-week interventions (STS instruction and participant-led goal-setting) separated by a 1-month washout. Physical activity time was measured using a thigh-worn activPAL4 accelerometer. The primary outcomes were the number and total duration of prolonged sitting bouts ≥30 min. Secondary outcomes included total sitting/lying time, standing/walking time, sit-to-stand transitions, and prolonged sitting bouts ≥60 min.
RESULTS: A significant intervention × time interaction was observed for prolonged sitting bouts ≥30 min (p = 0.049), with different pre-post patterns between intervention phases (STS: 8.4-7.0/day; goal-setting: 8.1-9.3/day). The interaction for the total duration of ≥30-min bouts was not statistically significant (p = 0.156). No significant intervention × time interactions were observed for total sedentary time, standing/walking time, or for the number or total duration of sitting bouts ≥60 min.
CONCLUSIONS: STS instruction may contribute to modifying sitting patterns in chronic stroke survivors with limited walking ability, even without changes in total sedentary or upright time. These preliminary findings suggest that a simple, task-oriented approach may help modify sedentary patterns, although clear superiority over participant-led goal-setting was not demonstrated. Larger and longer-term trials are needed.