Background: Many survivors of stroke face chronic disability and increased risk for recurrent stroke. Regular physical activity can reduce these risk factors and improve cardiovascular fitness. Most survivors of stroke face barriers to exercise, including lack of access to programs; as a result, most are sedentary. Objective: Pilot the Neurological Exercise Training (NExT) program or survivors of stroke for attendance, safety, and effectiveness. Methods: The NExT program was designed to promote self-directed exercise in a safe, accessible environment. Six participants attended as desired during open gym hours over two exercise periods per week totalling 19 weeks. After, participants were encouraged to continue exercise away from the gym for 20 weeks. Practicability of the program was assessed through safety, attendance, exercise intensity, and perception of the program. Pilot effectiveness measures were performed at five time points and effect sizes were generated. Results: Attendance averaged 76% (12%) of possible sessions with an average duration of 62 (SD 11.3) minutes. Effectiveness measures had positive effect sizes after 19 weeks of the NExT program, but these benefits were lost after 20-weeks (cohen's d, mobility=0.67 to −0.22, balance= 0.57 to −1.22, strength= 0.41 to −0.30, endurance= 0.09 to −0.19 and fatigue= 1.02 to −0.57). Conclusion: Results demonstrate that a community-based gym that is accessible for survivors of stroke will be well attended and perceived as beneficial. Pilot data suggests positive changes in *
Background Survivors of stroke are often deconditioned and have limited opportunities for exercise post-rehabilitation. Cardiac Rehabilitation (CR), a structured exercise program offered post-cardiac event in the United States (U.S.), may provide an opportunity for continued exercise. The purpose of this study was to examine the feasibility of integrating survivors of stroke into an existing, hospital-based CR program through an assessment of (1) recruitment, uptake and retention, (2) adherence and fidelity, (3) acceptability and (4) safety. Methods A mixed methods design combined a single group, pre-post design, pilot feasibility study with an imbedded qualitative inquiry. Survivors of stroke were recruited into a standard 12-week, 36 visit CR program. Results Fifty-three survivors were referred, 29 started and 24 completed the program. Program uptake rate was 55% and completion rate was 83%. Eleven completers and one non-completer participated in the qualitative interviews. Program completers attended an average of 25.25 (SD 5.82) sessions with an average of 38.93 (SD 5.64) exercise minutes per session while reaching targeted rate of perceived exertion levels. Qualitative themes included perceived benefits of an individualized program in a group setting, positive interactions with qualified staff, opportunities for socialization, and regular monitoring and staff attentiveness promoting feelings of safety. Conclusions Survivors of stroke were able to meet Medicare standard dosage (frequency and session duration) and rate of perceived intensity goals, and perceived the program as needed regardless of their mobility limitations or previous exercise experience. Primary challenges included managing referrals and uptake. Results support feasibility and benefit for survivors to integrate into U.S. CR programs.
Background What contributes to free-living walking after stroke is poorly understood. Studying the characteristics of walking may provide further details that guide interventions. Objective The objectives of this study were to examine how the walking characteristics of bouts per day, median steps per bout, maximum steps per bout, and time spent walking differ in individuals with various walking speeds, walking endurance, and daily steps and to identify cutoffs for differentiating ambulators who were active versus inactive. Design This study involved a cross-sectional analysis of data from the Locomotor Experience Applied Post-Stroke trial. Methods Participants were categorized by walking speed, walking endurance (via the 6-minute walk test), and daily steps (via 2 consecutive days of objective activity monitoring). Differences in walking characteristics were assessed. Linear regression determined which characteristics predicted daily step counts. Receiver operating characteristic curves and areas under the curve were used to determine which variable was most accurate in classifying individuals who were active (≥5500 daily steps). Results This study included 252 participants with chronic stroke. Regardless of categorization by walking speed, walking endurance, or daily steps, household ambulators had significantly fewer bouts per day, steps per bout, and maximum steps per bout and spent less time walking compared with community ambulators. The areas under the curve for maximum steps per bout and bouts per day were 0.91 (95% confidence interval = 0.88 to 0.95) and 0.83 (95% confidence interval = 0.78 to 0.88), respectively, with cutoffs of 648 steps and 53 bouts being used to differentiate active and inactive ambulation. Limitations Activity monitoring occurred for only 2 days. Conclusions Walking characteristics differed based on walking speed, walking endurance, and daily steps. Differences in daily steps between household and community ambulators were largely due to shorter and fewer walking bouts. Assessing and targeting walking bouts may prove useful for increasing stepping after stroke.
Background Cardiac rehabilitation (CR) is a structured exercise program prevalent in the United States for people with cardiovascular disease that has been shown to increase cardiovascular endurance and improve quality of life. Despite similar cardiovascular risk factors, stroke is not among the covered diagnoses for CR. The purpose of this study was to examine the participant impact of integrating survivors of stroke into the exercise portion of an existing hospital‐based CR program through measures of physical function and other health impacts and through qualitative evaluation of participant perception. Methods and Results Subacute and chronic survivors of stroke were integrated into a standard 12‐week, 3 sessions per week, exercise‐based CR program. A total of 29 began the program, 24 completed the program, and 18 were available for 6‐month follow‐up. Quantitative measures were compared preprogram with postprogram with t ‐test or equivalent, and preprogram with postprogram to 6‐month follow‐up with ANOVA or equivalent. Semistructured interviews were completed with 11 participants postprogram. Exercise‐based CR had significant impacts on cardiovascular endurance preprogram to postprogram, with maintenance at 6‐month follow‐up. The participants improved on the 6‐minute walk test on average by 61.92 m(95% CI, 33.99–89.84 m), and maximum metabolic equivalents improved by a median of 3.6 (interquartile range, 2.35). Five times sit to stand (functional strength) improved preprogram to postprogram by a median of 2.85 s (interquartile range, 4.03 s). Qualitative findings highlight additional health improvements. Most participants (83% [15/18]) reported continued exercise at follow‐up. Conclusions Exercise‐based CR has the potential to improve cardiovascular endurance, health status, and quality of life for survivors of stroke. Registration URL: https://www.clinicaltrials.gov ; Unique identifier: NCT03706105.
Objective People with Parkinson disease have low physical activity (PA) levels and are at risk for cardiovascular events. The 3 purposes of this study were to determine a step threshold that corresponds to meeting aerobic PA guidelines, determine effects of treadmill exercise on PA, and quantify the relationship between changes in daily steps and fitness. Methods This was a secondary analysis of the Study in Parkinson’s Disease of Exercise trial, which randomized participants to high-intensity treadmill exercise, moderate-intensity treadmill exercise, or usual care for 6 months. Daily steps and moderate- to vigorous-intensity PA (MVPA) were assessed at baseline and once each month using an activity monitor. Fitness was assessed via graded exercise test at baseline and at 6 months. A step threshold that corresponds to meeting PA guidelines was determined by receiver operating characteristic curves. The effect of treadmill exercise on PA was examined in those below the step threshold (ie, the least active participants). Pearson r correlations determined the relationship between daily steps and fitness. Results Individuals with de novo PD (n = 110) were included. Those with ≥4200 steps were 23 times more likely (95% CI = 7.72–68) to meet PA guidelines than those with <4200 steps. For those with <4200 steps at baseline (n = 33), only those in the high-intensity exercise group increased daily steps (median of differences = 1250 steps, z = −2.35) and MVPA (median of differences = 12.5 minutes, z = −2.67) at 6 months. For those with <4200 steps, changes in daily steps were not associated with changes in fitness (r = .183). Conclusions In people with PD and < 4200 daily steps at baseline, high-intensity treadmill exercise increased daily steps and MVPA, but these changes were not associated with changes in fitness. Impact People with PD should be encouraged to take ≥4200 daily steps in order to meet PA guidelines through walking.
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