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Resistance training modifies of serum levels of matrix metalloproteinase 2 and tissue inhibitor of matrix metalloproteinases in multiple sclerosis women - a randomized controlled trail. BMC Neurosci 2024; 25:13. [PMID: 38438999 PMCID: PMC10910672 DOI: 10.1186/s12868-024-00856-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Accepted: 02/20/2024] [Indexed: 03/06/2024] Open
Abstract
The objectives of the present study was to investigate the effects of resistance training (RT) on serum levels of controlling blood-brain barrier (BBB) permeability indices and cognitive performance in MS women (MS-W). In this randomized control trail study (IRCT registration code: IRCT20120912010824N3, 07.09.2023), twenty-five MS-W were randomly divided into sedentary (MS) and resistance exercise (12 weeks/3 times per week/ 60-80% of 1RM) (MS + RT) groups. Fifteen healthy aged-matched women participated as a control group (HCON). The serum level of matrix metalloproteinase-2 (MMP-2), matrix metallopeptidase-9 (MMP-9), tissue metalloproteinase inhibitors-1 (TIMP-1), tissue metalloproteinase inhibitors-2 (TIMP-2), and S100 calcium-binding protein B (S100B) were assessed. In addition, cognitive performance was assessed pre- and post- intervention with the Brief International Cognitive Assessment for MS (BICAMS). A significant reduction in MMP-2, TIMP-2 serum levels, and MMP-2/TIMP-2 ratio were observed in post-test for MS + RT group (p < 0.01) in comparison to the HCON and MS groups; however, no changes were observed in MMP-9, TIMP-1, S100B and MMP-9/TIMP-1 ratio after RT (p > 0.05). The verbal learning was improved in post-test for MS + RT group (p < 0.01), although no change were observed for visuospatial memory and information processing speed (p > 0.05). These findings suggest that resistance training can modify some indices of BBB permeability and improve verbal learning in MS-W. The findings may also be beneficial as a non-pharmacological intervention to reduce inflammation.
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Effects of Exercise, Rehabilitation, and Nutritional Approaches on Body Composition and Bone Density in People with Multiple Sclerosis: A Systematic Review and Meta-Analysis. J Funct Morphol Kinesiol 2023; 8:132. [PMID: 37754965 PMCID: PMC10532597 DOI: 10.3390/jfmk8030132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/05/2023] [Accepted: 09/07/2023] [Indexed: 09/28/2023] Open
Abstract
People with multiple sclerosis (pwMS) are affected by a wide range of disabilities, including a decrease in bone mineral density (BMD) and a worsening of body composition (BC), which negatively impact their quality of life quality. This study aims to analyze the effects of nonpharmacological interventions-in particular, physical activity, nutritional approaches, and rehabilitation-on BC and BMD in pwMS. This systematic review and meta-analysis was performed following the updated version of the PRISMA guidelines. In July 2022, five databases (MEDLINE, Embase, The Cochrane Library, Google Scholar, Web of Science) and gray literature were screened. Relevant articles published between 1 January 1990 and 1 September 2022 in any language were included. Outcomes of interest were anthropometric, BC measures, and BMD. The RoB 2.0 tool was used to assess the risk of bias. After duplicates elimination, 1120 records were screened, and 36 studies were included. A total of 25 articles were focused on physical activity and rehabilitation, 10 on nutrition, and 1 on multimodal intervention. One-third of the studies were judged to be at high risk of bias. The meta-analysis showed a high degree of heterogeneity due to the high variability in disease severity and intervention duration, intensity, frequency, and type. In general, no intervention showed consistent positive effects on BC. However, the most promising interventions seemed to be high-intensity training and ketogenic diets. Only a few studies considered BMD, and the results are inconsistent. Nevertheless, more studies are needed in order to confirm these results.
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Participant characteristics of existing exercise studies in persons with multiple sclerosis - A systematic review identifying literature gaps. Mult Scler Relat Disord 2022; 68:104198. [PMID: 36257149 DOI: 10.1016/j.msard.2022.104198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/21/2022] [Accepted: 09/27/2022] [Indexed: 11/05/2022]
Abstract
BACKGROUND Exercise is a cornerstone in rehabilitation of persons with multiple sclerosis (pwMS), which is known to elicit beneficial effects on various symptoms and to have a potential disease-modifying effect. However, it remains to be elucidated if the existing MS exercise literature covers the full age and disability span of pwMS. OBJECTIVE To systematically review MS exercise studies and provide a detailed mapping of the demographic and clinical characteristics of the included pwMS. METHODS A systematic review of MS exercise studies were performed using MEDLINE and EMBASE. From the resulting MS exercise studies, mean sample characteristics were extracted. RESULTS 4576 records were identified, from which 202 studies were included. Of these, 166 studies (82.2%) enrolled pwMS aged 35-54 years, 10.9% enrolled pwMS <35 years, and 6.9% enrolled pwMS ≥55 years (only 1.5% enrolled pwMS ≥60 years). A total of 118 studies (58.4%) reported Expanded Disability Status Scale (EDSS), with 88.1% of included pwMS having an EDSS between 2.0 and 6.5, while only one study enrolled pwMS with an EDSS ≥7.0. Finally, 80% of the studies included pwMS having a disease duration of 5-14.5 years. CONCLUSION Exercise studies in pwMS included primarily middle-aged (35-54 years) pwMS having an EDSS of 2.0-6.5 and a disease duration of 5-14.5 years. Few exercise studies were identified in young and older pwMS, in pwMS with mild disability and severe disability, and in pwMS having shorter or longer disease durations. These findings highlight the need for further investigation of exercise in these specific subgroups of pwMS as benefits of exercise might not generalize across subpopulations.
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Association of body mass index with progression and prediction of multiple sclerosis. SCRIPTA MEDICA 2020. [DOI: 10.5937/scriptamed51-24916] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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Weight control and physical exercise in people with multiple sclerosis: Current knowledge and future perspectives. Complement Ther Med 2019; 43:240-246. [DOI: 10.1016/j.ctim.2019.02.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 12/21/2018] [Accepted: 02/07/2019] [Indexed: 01/24/2023] Open
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Exploring the role of physical activity and exercise for managing vascular comorbidities in people with multiple sclerosis: A scoping review. Mult Scler Relat Disord 2018; 26:19-32. [DOI: 10.1016/j.msard.2018.08.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/22/2018] [Accepted: 08/23/2018] [Indexed: 01/06/2023]
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Abstract
Multiple sclerosis (MS) is a demyelinating and neurodegenerative disorder of the central nervous system, for which disease modifying therapies (DMTs) are the mainstay treatment approach to reduce inflammatory disease activity and slow worsening disability. In addition to conventional pharmacologic therapy, there is growing interest in the use of lifestyle strategies to support wellness and mitigate disease-related complications in MS. This interest stems from a growing appreciation of the role of certain comorbidities and lifestyle factors on disease activity, disability, mortality, and overall quality of life. While the current literature is not conclusive, there is evidence to suggest a potential role for vitamin D supplementation, tobacco smoking cessation, routine exercise, a plant-based, anti-inflammatory diet, and maintenance of emotional well-being as adjunct therapies to DMTs. In addition to DMTs, lifestyle strategies should be emphasized as part of a management plan focused on overall health and well-being.
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High Intensity Aerobic and Resistance Exercise Can Improve Glucose Tolerance in Persons With Multiple Sclerosis: A Randomized Controlled Trial. Am J Phys Med Rehabil 2017; 96:161-166. [PMID: 27362697 DOI: 10.1097/phm.0000000000000563] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
INTRODUCTION The prevalence of impaired glucose tolerance (IGT) is higher in persons with multiple sclerosis (MS) compared to healthy controls, indicating metabolic deficits that may increase comorbidity. In other populations, IGT can, at least partly, be reversed by intense physical exercise, but this is never investigated before in MS. AIM To investigate the effect of high intensity aerobic and resistance training on glucose tolerance and skeletal muscle GLUT4 content in MS. METHODS Thirty-four persons with MS (aged 45 ± 3 years, EDSS 2.5 ± 1.07) were randomized into three groups, including a (1) sedentary control group (SED, n = 11), (2) 12-week high intensity interval plus resistance training group (HITR, n = 12), or (3) 12-week high intensity continuous aerobic training plus resistance training group (HCTR, n = 11). Before and after 12 weeks, glucose tolerance and skeletal muscle GLUT4 content were determined by an oral glucose tolerance test and analysis of a m.vastus lateralis biopsy, respectively. RESULTS There were no significant changes for subjects of SED. From pre- to post-intervention, total area under the glucose curve (tAUC) decreased significantly in both HITR (-6.9 ± 6.2%) and HCTR (-11.0 ± 7.7%) (P < 0.05). Insulin tAUC decreased (-12.3 ± 14.7%) within HCTR and muscle GLUT4 content increased (+6.6 ± 4.5%) in HITR. CONCLUSION Twelve weeks of high intensity aerobic exercise in combination with resistance training improved glucose tolerance in persons with MS.
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Muscular, cardiac, ventilatory and metabolic dysfunction in patients with multiple sclerosis: Implications for screening, clinical care and endurance and resistance exercise therapy, a scoping review. J Neurol Sci 2016; 367:107-21. [DOI: 10.1016/j.jns.2016.05.050] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 05/11/2016] [Accepted: 05/24/2016] [Indexed: 01/03/2023]
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Impact of 24 Weeks of Resistance and Endurance Exercise on Glucose Tolerance in Persons with Multiple Sclerosis. Am J Phys Med Rehabil 2015; 94:838-47. [PMID: 25768064 DOI: 10.1097/phm.0000000000000257] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Recently, the authors reported an elevated prevalence of impaired glucose tolerance in individuals with multiple sclerosis (MS), compared with matched healthy controls, indicating metabolic defects that may increase comorbidity. MS also leads to a more inactive lifestyle, increasing the likelihood to develop fat accumulation, muscle wasting/weakness, and exercise intolerance. In other populations, these health complications can partly be reversed by physical exercise. OBJECTIVE The aim of this study was to determine the impact of a mild-to-moderate-intensity exercise program on glucose tolerance, ranging between normal and impaired, in persons with MS. DESIGN Persons with MS (mean expanded disability status scale, 3.3 ± 0.2; mean age, 48 ± 15 yrs) were randomized to an exercise group (n = 29) or a nonexercise control group (n = 15). Glucose tolerance, as well as muscle strength, exercise tolerance, and body composition to validate the applied exercise program, was determined in both groups at baseline and after 6, 12, and 24 wks of mild-to-moderate-intensity combined endurance and resistance training. RESULTS No effects on blood glucose and serum insulin were detected. However, 6 mos of exercise improved muscle strength, exercise tolerance, and lean tissue mass within the intervention group as compared with baseline. In the control group, no changes were detected. CONCLUSION Twenty-four weeks of mild-to-moderate-intensity combined endurance and resistance training was not able to improve glycemic control in this cohort of persons with MS. Future research is warranted to investigate the influence of higher exercise intensities on glucose tolerance, in an attempt to remediate metabolic deficits and to decrease the prevalence of comorbidities in MS.
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A Pilot Study: examining the effects and tolerability of structured dance intervention for individuals with multiple sclerosis. Disabil Rehabil 2015; 38:218-22. [PMID: 25875049 DOI: 10.3109/09638288.2015.1035457] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
PURPOSE The aims of this pilot were to examine dance as a feasible intervention for persons with multiple sclerosis (MS), specifically to examine issues of tolerability and its longitudinal effects on participants. Dance is an enjoyable physical activity that has been investigated in other neurodegenerative populations but has yet to be studied in MS. METHOD A 4-week, two 60-min classes per week, pilot salsa dance intervention was administered to eight individuals with MS. The outcomes measured were effects on gait, balance, self-efficacy, motivation, physical activity and MS symptoms. They were administered at baseline, immediately post-intervention and at 3- and 6-month follow-ups. RESULTS Statistically significant pre-post intervention gains were found for the Timed Up and Go Test (TUG), Dynamic Gait Index (DGI), Activities-specific Balance Confidence Scale and Godin Leisure Time Questionnaire. Significant improvements were also found for the TUG, DGI and MS Walking Scale between baseline and 3-month follow-up assessments. Participants did not report any problems with fatigue or intolerability with the 60-min suggestions, further supporting the feasibility for the concept of a dance intervention. CONCLUSIONS This study suggests that dance for persons with MS may have promise for improving physical activity, gait and balance. IMPLICATIONS FOR REHABILITATION Although structured dance has reported benefits in elderly populations and in individuals with cardiovascular and neurological impairments, there is virtually nothing known regarding dance in the MS population. This pilot salsa dance study shows that structured dance demonstrates promise of being well-tolerated, safe and effective at promoting physical activity in people with MS without increased fatigue. A 12-week study has been initiated to test the robustness of initial observations and further examine factors influencing participants' physical activity adherence and behavioral change.
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Chronic exercise confers neuroprotection in experimental autoimmune encephalomyelitis. J Neurosci Res 2014; 93:697-706. [DOI: 10.1002/jnr.23528] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Revised: 10/31/2014] [Accepted: 11/03/2014] [Indexed: 01/22/2023]
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Does multiple sclerosis affect glucose tolerance? Mult Scler 2013; 20:1273-6. [DOI: 10.1177/1352458513515957] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2013] [Accepted: 11/28/2011] [Indexed: 11/16/2022]
Abstract
Based on current literature, it is not clear if multiple sclerosis (MS) patients are at increased risk to develop impaired glucose tolerance (IGT). Eighty-one MS patients and 45 healthy controls (HC) performed an oral glucose tolerance test. IGT was defined as a fasting glucose concentration of 6.1–6.9 mmol/l and two-hour post-load glucose of 7.8–11.1 mmol/l. The prevalence of impaired fasting glucose concentrations (17% vs 2%) and IGT (11% vs 0%) was higher in MS patients than HC. Accordingly, the areas under the glucose and insulin curves were higher in MS patients. The current study demonstrates an elevated IGT-prevalence in MS.
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Risk factors related to cardiovascular diseases and the metabolic syndrome in multiple sclerosis - a systematic review. Mult Scler 2013; 19:1556-64. [PMID: 24048545 DOI: 10.1177/1352458513504252] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Despite many epidemiological studies examining comorbidity in people with multiple sclerosis (pMS), there are conflicting opinions on whether pMS are at more or less risk of cardiovascular disease (CVD) and the metabolic syndrome compared with the general population. As pMS can now expect longer survival, this as an important question both at an individual and public health level. This study aimed to systematically review the literature linking MS to CVD risks and to the risk factors constituting the metabolic syndrome. This systematic review is based on a comprehensive literature search of six databases (Swemed+, Pubmed, Embase, Cochrane, PEDro and CINAHL). In total 34 studies were identified. Despite the high number of identified papers, only limited and inconsistent data exist on the risk factors of the metabolic syndrome and MS. Overall, the data suggest an increased CVD risk in pMS. From the existing studies it is not clear whether the increased risk of CVD is related to an increased risk of obesity or changes in body composition, hypertension, dyslipidemia or type II diabetes in pMS, indicating the need for future research in the field, if we are to advise pMS adequately in avoiding preventable comorbidity.
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Effects of Exercise Training on Fitness, Mobility, Fatigue, and Health-Related Quality of Life Among Adults With Multiple Sclerosis: A Systematic Review to Inform Guideline Development. Arch Phys Med Rehabil 2013; 94:1800-1828.e3. [DOI: 10.1016/j.apmr.2013.04.020] [Citation(s) in RCA: 411] [Impact Index Per Article: 37.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Revised: 03/15/2013] [Accepted: 04/07/2013] [Indexed: 11/28/2022]
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Abstract
Exercise is an intervention that may be used in the management of multiple sclerosis (MS). Certain exercise physiology characteristics are commonly seen among persons with MS, particularly in the more debilitated. Studies have shown that properly prescribed exercise programs can improve modifiable impairments in MS. Exercise is generally safe and well tolerated. General guidelines are available for exercise prescription for the MS population. There are several recommendations that may help improve the quality of future MS exercise trials.
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Multiple sclerosis and exercise in people with minimal gait impairment – a review. PHYSICAL THERAPY REVIEWS 2013. [DOI: 10.1179/174328809x435295] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Abstract
Recently progressive resistance training (PRT) has been recognised as an effective tool in the rehabilitation of persons with multiple sclerosis (MS). The objective of this study was to systematically review the literature of PRT studies for persons with MS. A comprehensive literature search (PubMed, SveMed+, Embase, Cochrane, PEDro, SPORTDiscus and Bibliotek.dk) was conducted. Identified papers were rated according to the PEDro-scale. Sixteen studies were included and scored between 3 and 8 of 11 total points on the PEDro-scale, showing a general lack of blinding. Strong evidence regarding the beneficial effect of PRT on muscle strength was observed. Regarding functional capacity, balance and self-reported measures (fatigue, quality of life and mood) evidence is less strong, but the tendency is overall positive. Indications of an effect on underlying mechanisms such as muscle morphological changes, neural adaptations and cytokines also exist, but the studies investigating these aspects are few and inconclusive. PRT has a positive effect on muscle strength for persons with MS. Heterogeneous results exist regarding the effect on functional capacity and self-reported measures probably because of differences in training protocols, samples sizes, type and severity of MS. The area of underlying mechanisms deserves more attention in future research.
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Exercise in multiple sclerosis -- an integral component of disease management. EPMA J 2011; 3:2. [PMID: 22738091 PMCID: PMC3375103 DOI: 10.1007/s13167-011-0136-4] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2011] [Accepted: 12/02/2011] [Indexed: 11/28/2022]
Abstract
Multiple sclerosis (MS) is the most common chronic inflammatory disorder of the central nervous system (CNS) in young adults. The disease causes a wide range of symptoms depending on the localization and characteristics of the CNS pathology. In addition to drug-based immunomodulatory treatment, both drug-based and non-drug approaches are established as complementary strategies to alleviate existing symptoms and to prevent secondary diseases. In particular, physical therapy like exercise and physiotherapy can be customized to the individual patient's needs and has the potential to improve the individual outcome. However, high quality systematic data on physical therapy in MS are rare. This article summarizes the current knowledge on the influence of physical activity and exercise on disease-related symptoms and physical restrictions in MS patients. Other treatment strategies such as drug treatments or cognitive training were deliberately excluded for the purposes of this article.
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Ratings of Perceived Exertion During Aerobic Exercise in Multiple Sclerosis. Arch Phys Med Rehabil 2008; 89:1570-4. [DOI: 10.1016/j.apmr.2007.12.036] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2007] [Revised: 12/03/2007] [Accepted: 12/03/2007] [Indexed: 11/21/2022]
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Abstract
The benefits of regular exercise to promote general health and reduce the risk of hypokinetic diseases associated with sedentary lifestyles are well recognized. Recent studies suggest that exercise may enhance neurobiological processes that promote brain health in aging and disease. A current frontier in the neurodegenerative disorder multiple sclerosis (MS) concerns the role of physical activity for promoting brain health through protective, regenerative and adaptive neural processes. Research on neuromodulation, raises the possibility that regular physical activity may mediate favourable changes in disease factors and symptoms associated with MS, in part through changes in neuroactive proteins. Insulin-like growth factor-I appears to act as a neuroprotective agent and studies indicate that exercise could promote this factor in MS. Neurotrophins, brain-derived neurotrophic factor (BDNF) and nerve growth factor likely play roles in neuronal survival and activity-dependent plasticity. Physical activity has also been shown to up-regulate hippocampal BDNF, which may play a role in mood states, learning and memory to lessen the decline in cognitive function associated with MS. In addition, exercise may promote anti-oxidant defences and neurotrophic support that could attenuate CNS vulnerability to neuronal degeneration. Exercise exposure (preconditioning) may serve as a mechanism to enhance stress resistance and thereby may support neuronal survival under heightened stress conditions. Considering that axonal loss and cerebral atrophy occur early in the disease, exercise prescription in the acute stage could promote neuroprotection, neuroregeneration and neuroplasticity and reduce long-term disability. This review concludes with a proposed conceptual model to connect these promising links between exercise and brain health.
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Multiple sclerosis and physical exercise: recommendations for the application of resistance-, endurance- and combined training. Mult Scler 2007; 14:35-53. [PMID: 17881393 DOI: 10.1177/1352458507079445] [Citation(s) in RCA: 257] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
This review summarizes the existing knowledge regarding the effects of physical exercise in patients suffering from multiple sclerosis (MS). Furthermore, recommendations are given regarding exercise prescription for MS patients and for future study directions. Previously, MS patients were advised not to participate in physical exercise. During recent years, it has been increasingly acknowledged that exercise benefits MS patients. The requirement for exercise in MS patients is emphasized by their physiological profile, which probably reflects both the effects of the disease per se and the reversible effects of an inactive lifestyle. To date the effects of exercise have only been studied in moderately impaired MS patients with an EDSS score of less than 7. Evidence exists for recommending participation in endurance training at low to moderate intensity, as the existing literature demonstrates that MS patients can both tolerate and benefit from this training modality. Also, resistance training of moderate intensity seems to be well tolerated and to have beneficial effects on MS patients, but the methodological quality of the existing evidence is in general low and the number of studies is limited. Only two studies have evaluated the effects of combined resistance- and endurance training, making solid conclusions regarding this training modality impossible.
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