BackgroundInternet-delivered, behavioral interventions represent a cost-effective, broadly disseminable approach for teaching persons with multiple sclerosis (MS) the theory-based skills, techniques, and strategies for changing physical activity.ObjectivesThis pilot, randomized controlled trial examined the efficacy of a newly developed Internet website based on e-learning approaches that delivered a theory-based behavior intervention for increasing physical activity and improving symptoms, walking impairment, and neurological disability.MethodsParticipants with MS (N = 47) were randomly assigned into behavioral intervention (n = 23) or waitlist control (n = 24) conditions delivered over a six-month period. Outcomes were administered before and after the six-month period using blinded assessors, and data were analyzed using analysis of covariance in SPSS.ResultsThere was a significant, positive intervention effect on self-reported physical activity (P = 0.05, ηρ2 = 0.10), and non-significant improvement in objectively measured physical activity (P = 0.24, ηρ2 = 0.04). There were significant, positive effects of the intervention on overall (P = 0.018, ηρ2 = 0.13) and physical impact of fatigue (P = 0.003, ηρ2 = 0.20), self-reported walking impairment (P = 0.047, ηρ2 = 0.10), and disability status (P = 0.033, ηρ2 = 0.11). There were non-significant improvements in fatigue severity (P = 0.10, ηρ2 = 0.06), depression (P = 0.10, ηρ2 = 0.07) and anxiety (P = 0.06, ηρ2 = 0.09) symptoms, and self-reported disability (P = 0.10, ηρ2 = 0.07).ConclusionsWe provide evidence for the efficacy of an Internet-based behavioral intervention with content delivered through interactive video courses grounded in e-learning principles for increasing physical activity and possibly improving secondary outcomes of fatigue, depression, anxiety, and walking impairment/disability in persons with MS.
BackgroundGait impairments present while dual-tasking in older adults with multiple sclerosis (MS) have been associated with an increased risk of falls. Prior studies have examined prefrontal cortex (PFC) activity using functional near infrared spectroscopy (fNIRS) while dual-tasking in older adults with and without cognitive impairment. While the benefits of partial body weight support (PBWS) on gait have been clearly outlined in the literature, the potential use of PBWS to improve the ability to dual task in older adults with and without MS has not been examined. The aim of this study was to examine the effects of PBWS on the PFC activation while dual-tasking in older adults with and without MS.MethodsTen individuals with MS (mean 56.2 ± 5.1 yrs., 8 females) and 12 healthy older adults (HOA) (mean 63.1 ± 4.4 yrs., 9 females) participated in this study. PFC activation (i.e., oxygenated hemoglobin-HbO2) was measured using fNIRS. Assessments were done under two treadmill walking conditions: no body weight support (NBWS) and PBWS. Under each condition, participants were asked to walk at a comfortable speed (W) or walk and talk (WT). Linear mixed models were used to test for differences between cohorts, conditions, and tasks.ResultsHbO2 levels differed significantly between task (p < .001), cohort (p < .001), and BWS (p = .02). HbO2 levels increased under higher cognitive demands (i.e., W vs WT), in individuals with MS, and under different conditions (i.e., NBWS vs PBWS). Post-hoc analysis demonstrated a significant difference between cohorts during the WT and NBWS condition (p = .05). When examining the relative change in HbO2 levels during each task, a significant interaction between task, BWS, and cohort across time was observed (p < 0.01). While HOA increased PFC activation across time, MS exhibited a maintenance of PFC activation patterns during the WT under PBWS condition.ConclusionsThis study establishes the potential impact of PBWS on PFC activation patterns under dual-tasking conditions and sheds light on the ability for PBWS to be used as a therapeutic tool in individuals with neurological conditions to decrease cognitive demands while dual-tasking and thus decrease the risk of falls.
BackgroundThere is increased interest in the application of smartphone applications and wearable motion sensors among multiple sclerosis (MS) patients.ObjectiveThis study examined the accuracy and precision of common smartphone applications and motion sensors for measuring steps taken by MS patients while walking on a treadmill.MethodsForty-five MS patients (Expanded Disability Status Scale (EDSS) = 1.0–5.0) underwent two 500-step walking trials at comfortable walking speed on a treadmill. Participants wore five motion sensors: the Digi-Walker SW-200 pedometer (Yamax), the UP2 and UP Move (Jawbone), and the Flex and One (Fitbit). The smartphone applications were Health (Apple), Health Mate (Withings), and Moves (ProtoGeo Oy).ResultsThe Fitbit One had the best absolute (mean = 490.6 steps, 95% confidence interval (CI) = 485.6–495.5 steps) and relative accuracy (1.9% error), and absolute (SD = 16.4) and relative precision (coefficient of variation (CV) = 0.0), for the first 500-step walking trial; this was repeated with the second trial. Relative accuracy was correlated with slower walking speed for the first (rs = −.53) and second (rs = −.53) trials.ConclusionThe results suggest that the waist-worn Fitbit One is the most precise and accurate sensor for measuring steps when walking on a treadmill, but future research is needed (testing the device across a broader range of disability, at different speeds, and in real-life walking conditions) before inclusion in clinical research and practice with MS patients.
Cognitive impairment is common and debilitating among persons with multiple sclerosis (MS) and might be managed with exercise training. The present pilot study adopted a single-blind randomized controlled trial (RCT) design and is the first to examine the effect of a systematically developed, progressive treadmill walking exercise training intervention on cognition among fully ambulatory persons with MS. Ten fully ambulatory females with MS were randomly assigned into exercise training intervention or waitlist control conditions. The intervention condition involved 12 weeks of supervised, progressive chronic treadmill walking exercise training. Participants underwent measures of cognition (i.e., cognitive processing speed (CPS), executive function), walking performance, and cardiorespiratory fitness before and after the 12-week period; baseline and follow-up assessments were performed by blinded assessors. Overall, there were large intervention effects on CPS (d = 0.95), walking performance (d = 0.76), and cardiorespiratory fitness (d > 1.08). The change in cardiorespiratory fitness was significantly associated with change in CPS (r = .60), but not walking performance. This small pilot RCT provides preliminary proof-of-concept data supporting progressive treadmill walking exercise training for potentially improving CPS, walking performance, and cardiorespiratory fitness in fully ambulatory persons with MS, and that improved fitness might be a possible mechanism for improved CPS.
BackgroundThere is growing recognition of the benefits and safety of exercise and its importance in the comprehensive care of persons with multiple sclerosis (MS), yet uptake is low.ObjectiveWe explored the needs and wants of patients with MS regarding exercise promotion through healthcare providers.Setting and participantsParticipants were adults with MS who had mild‐or‐moderate disability and a range of exercise levels. All participants lived in the Midwest of the United States.MethodsFifty semi‐structured interviews were conducted and analysed using thematic analysis. Two themes emerged, namely interactions between patients and healthcare providers and needs and wants of patients.ResultsAnalysis of participant accounts illustrate that current exercise promotion by healthcare providers does not meet patient needs and wants. The identified needs and wants of persons with MS involved (i) information and knowledge on the benefits of exercise and exercise prescription, (ii) materials to allow home and community exercise and (iii) tools for initiating and maintaining exercise behaviour.Discussion and conclusionPatients with MS frequently interact with healthcare providers and are generally unsatisfied with exercise promotion during interactions. Healthcare providers can address the low uptake of exercise among persons with MS by acting upon the identified unmet needs involving materials, knowledge and behaviour change strategies for exercise.
Providers in MS healthcare consider the patient-provider interaction within the healthcare system, healthcare team, and clinical appointment as a novel opportunity for exercise promotion. Such an opportunity requires education of healthcare providers and provision of tools and strategies for exercise promotion among persons with MS. Implications for rehabilitation Healthcare providers are interested in and motivated for promoting exercise participation among persons with multiple sclerosis. Successful exercise promotion must consider opportunities at three different organisational levels, namely the healthcare system, the local healthcare team, and clinical appointment. Healthcare providers need further training for promoting exercise among persons with multiple sclerosis. The promotion of exercise among persons with multiple sclerosis will require resources and strategies that can be readily offered by providers.
Loneliness should be recognized clinically as an important concomitant of MS.
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