To Investigate the Effect of Aerobic Exercise on Neurophysiological Values and Functionality in Individuals With Multiple Sclerosis.

2019-10-16 10:39:39 | BioPortfolio


Multiple sclerosis (MS), a chronic inflammatory disease of the central nervous system, is characterized by myelin, oligodendrocytes and axon damage.

Physical exercises can be beneficial to patients, reduce fatigue and improve their strength, endurance and quality of life. Exercise has the potential to improve and / or preserve functionality, aerobic condition, strength, fatigue, health-related quality of life, depression, and cognition in MS patients. It has been reported that aerobic exercise increases muscle strength and endurance in peak oxygen intake and decreases fatigue and improves activity level, balance and walking patterns.

It is important to control the problems caused by ataxia in MS patients, to improve balance and postural reactions and to increase proximal muscle and trunk stabilization. For this purpose, movements are voluntarily and graded. Progress in exercises is achieved by making changes in the speed, width and complexity of movement. However, Frenkel Coordination exercises for extremity ataxia are usually included in the physiotherapy and rehabilitation program.

Little is known about the role and function of the iris in the nervous system with the discovery of Irisin and its precursor protein FNDC5. Evidence that the plasma level of iris increases during physical exercise suggests that it may also have beneficial and neuroprotective effects in the brain. Increased physical exercise has been shown to be associated with FNDC5 expression and ultimately more secretion of the iris.

The effect of elevated plasma iris levels after aerobic exercise on functionality in MS patients is unknown. Moon et al. Observed that cellular proliferation in mouse hippocampus cells was dose-dependent due to iris. In spraque dawley-type male rats, the presence of significant iris in the myelin sheath of the skeletal muscle shows that this tissue is an important source of iris. Based on these findings, it is thought that exercise-induced iris, which is an important cause of disability in MS, may have beneficial effects on the recovery of normal function in these patients. Whether iris affects nerve conduction velocity will be determined by electromyography analysis before and after aerobic exercise. In addition, the relationship between aerobic exercise and motor and sensory function and iris will be investigated and evaluated with functional tests.


Purpose of the research:

The aim of this study is to investigate the effect of aerobic exercise on neurophysiological values and functionality in individuals with multiple sclerosis.

The aim of this study is to determine whether aerobic exercise has positive effects on neurophysiological values and functionality in MS patients and to investigate this in a multidisciplinary and multidisciplinary manner.

Materials and Methods:

Patients with MS who were referred to the physiotherapy and rehabilitation program by the Physical Medicine and Rehabilitation specialist at Fırat University Training and Research Hospital will be included in the study.

In this study, patients with MS will be divided into two groups by stratified randomization method. Stratification will be performed in the early period of MS (EDSS 0.5-2.5) and in the late period of MS (EDSS 3-5.5). For a total of 18 sessions, only Frenkel Coordination exercises will be done to the control group, and Frenkel Coordination exercises and aerobic exercise will be applied to the study group.

Physiotherapy and Rehabilitation Program Control Group: Patients will receive Frenkel Coordination exercises (4 different exercises 4-5 repetitions depending on the individual's functional and motor status) for 6 weeks. There will be a 1 minute break between each exercise set.

Study Group: Patients will receive Frenkel Coordination exercises (4 different exercises 4-5 repetitions depending on the individual's functional and motor status) for 6 weeks. There will be a 1 minute break between each exercise set. Following this, an aerobic exercise of 30 minutes will be performed on the bicycle ergometer with electronic brake. Subjects will be advised not to do any exercise two days before or on that day and to eat only a light meal at least two hours before the test. The intensity of the exercise will be adjusted based on maximum oxygen consumption (VO2 max) specific to each individual.

Each exercise session;

- 5 min warm-up = 30% of VO2 max

- 20 min exercise = 50-60% of VO2 max

- 5 minutes cooling in the form. The goal of aerobic exercise is to increase physical capacity, which is represented by maximum oxygen uptake (VO2max) and mechanical power generated during exercise. Training programs should be conducted at least 2 to 3 times per week (60-80% maximum work rate or 60% VO2max) for 30 to 60 minutes at moderate concentrations. These programs are effective in increasing aerobic capacity and power output in MS (16).

Oxygen consumption (VO2), exhaled carbon dioxide (VCO2), minute ventilation (VE), respiratory rate (RR), respiration change rate (RER) and oxygen saturation (SaO2) will be recorded.

Evaluation Protocol:

Electromyography (EMG), max VO2 values and iris levels are analyzed before and after treatment and scales and questionnaires will be applied to evaluate the functional levels.

Within the scope of EMG evaluation, motor and sensory conduction studies of ulnar and median nerve in upper extremity, peroneal and tibial nerve in lower extremity, F response and H-reflex study in motor nerves, sensory conduction study of sural nerve in lower extremity are planned. H reflex is a monosynaptic reflection carried by 1a sensory fibers that synapse with alpha motor neuron. Response F shows the repeated discharges of alpha motor neurons and is a test used for the evaluation of diseases that cause transmission slowdown.

The VO2 max measurement will be performed using the incremental exercise test to determine the maximum aerobic capacity. After resting for 5 minutes (sitting on the ergometer), patients will be asked to start cycling on the ergometer starting at 25W. The load will be increased by 25W every 3 minutes until depletion. Subjects will be encouraged to continue the exercise as much as possible orally. Oxygen consumption (VO2), exhaled carbon dioxide (VCO2), minute ventilation (VE), respiration rate (RR), respiration change rate (RER), oxygen saturation (SaO2) and heart rate will be recorded. In the statistical analysis, only VO2 max values will be examined.

For the analysis of the level of iris, blood samples will be taken from gel biochemistry tubes as appropriate for the analyzes to be performed from the patients at the end of the aerobic capacity assessment. Blood samples will be separated by centrifugation at 3000rpm for 10min and the obtained sera will be placed in small portions in ependorf tubes and stored at -80 ° C until analysis. Irisin levels will be studied using commercial ELISA (enzyme-linked immunosorbent assay) kits in accordance with the kit user manual.

Multiple Sclerosis Functional Composite (MSFC), Ataxia Assessment and Rating Scale (SARA), Modified Borg Scale (MBS) to determine the effect of aerobic exercise on functionality in individuals with MS , Fatigue Impact Scale (FIS), Leeds Multiple Sclerosis Quality of Life Scale (Leeds Multiple Sclerosis Quality of L)

Study Design


Multiple Sclerosis, Relapsing-Remitting


Aerobic Exercise, Frenkel coordination exercises


Not yet recruiting


Firat University

Results (where available)

View Results


Published on BioPortfolio: 2019-10-16T10:39:39-0400

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Medical and Biotech [MESH] Definitions

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A non-glycosylated form of interferon beta-1 that has a serine at position 17. It is used in the treatment of both RELAPSING-REMITTING MULTIPLE SCLEROSIS and CHRONIC PROGRESSIVE MULTIPLE SCLEROSIS.

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An autoimmune disorder mainly affecting young adults and characterized by destruction of myelin in the central nervous system. Pathologic findings include multiple sharply demarcated areas of demyelination throughout the white matter of the central nervous system. Clinical manifestations include visual loss, extra-ocular movement disorders, paresthesias, loss of sensation, weakness, dysarthria, spasticity, ataxia, and bladder dysfunction. The usual pattern is one of recurrent attacks followed by partial recovery (see MULTIPLE SCLEROSIS, RELAPSING-REMITTING), but acute fulminating and chronic progressive forms (see MULTIPLE SCLEROSIS, CHRONIC PROGRESSIVE) also occur. (Adams et al., Principles of Neurology, 6th ed, p903)

The most common clinical variant of MULTIPLE SCLEROSIS, characterized by recurrent acute exacerbations of neurologic dysfunction followed by partial or complete recovery. Common clinical manifestations include loss of visual (see OPTIC NEURITIS), motor, sensory, or bladder function. Acute episodes of demyelination may occur at any site in the central nervous system, and commonly involve the optic nerves, spinal cord, brain stem, and cerebellum. (Adams et al., Principles of Neurology, 6th ed, pp903-914)

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