• The Journal of the Korea Contents Association
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• v.10 no.4
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• pp.236-246
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• 2010

The 3-Acetylpyridine(3-AP) induces cerebellar injury which is chemoablation of the inferior olive nucleus. The purpose of this study was to investigate the effects of exercise(Ex) and electroacupuncture(EA) on muscle activity of hindlimb and serum brain derived neurotrophic factor(BDNF) in the ataxia rats by the 3-AP. 12-week-aged male Sprague-Dawley rats were randomly divided into the 5 groups: Control, 3-AP, 3-AP+Ex, 3-AP+EA and 3-AP+Ex+EA groups. Maximal Height Vertical Jump(MHVJ) was significantly decreased in the 3-AP compared with control group, and it was increased in Ex, EA and Ex+EA groups than 3-AP group. The muscle activity of hindlimb was significantly increased in the 3-AP groups than control group, also it was most decreased in Ex+EA group. The concentration of BDNF of the serum was significantly decreased in the Ex, EA and Ex+EA groups than 3-AP group. The results of this study showed that dynamic exercise and electroacupuncture have a positive effect on functional recovery and in the ataxia rats by the 3-AP.

• The Journal of Korean Physical Therapy
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• v.13 no.3
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• pp.529-535
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• 2001

The purpose of this study was to test that the exercise adaptive training enhance behavioral outcome significantly after focal brain ischemia in rats. After occlusion of middle cerebral artery in rats, they were housed in individual standard cages fur 24 hours. The control group was sacrificed 24 hours after ischemic event. The experimental group I was housed in standard cages for 7days. The experimental group ll was housed in enriched environment and had got exercise adaptive training fur 7days. The rats were examined five motor behavioral tests. In motor behavioral tests :postural reflex test, limb placement test, beam-walking test, rotarod test, horizontal wire test. The outcomes of control group and group I were significantly lower than the group II. The conclusion was that exercise adaptive training induced functional repair.

• Journal of International Academy of Physical Therapy Research
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• v.7 no.2
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• pp.999-1005
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• 2016

The purpose of this study was to investigate the effects of low-intensity cardiac rehabilitation exercise on the cardiac function and the degree of fibrosis in an older white rat model. This study used male Sprague-Dawley white rats that were 50 weeks old. After the acute myocardial infarction induction, Twenty of the rats were randomly allocated into an experimental group and a control group, and each of the groups consisted of 8 rats. In the experimental group, the exercise was conducted for six weeks, 30 minutes a day, five days a week, using a Rotarod treadmill for animals. The degree of myocardial fibrosis was significantly repressed in the experimental group($13.69{\pm}1.90%$) and in the control group($15.67{\pm}1.54%$)(p<0.05). However, fractional shortening and ejection fraction did not show a significant difference. The results of this study suggest that cardiac rehabilitation with low intensity treadmill exercise repress the myocardial fibrosis.

• Journal of the Korean Applied Science and Technology
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• v.37 no.4
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• pp.744-754
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• 2020

We investigated the whether endurance exercise and MitoQ intake mediated neuroprotection are associated with mitochondrial function in 1-methyl-4-phenyl-1,2,3,6 tetrahydropyridine(MPTP) -induced mice model of Parkinson's disease. C57BL/6 male mice were randomly assigned to five groups: Normal Conrol(NC, n=10), MPTP Control(MC, n=10), MPTP +MitoQ(MQ, n=10), MPTP + Exercise(ME, n=10) and MPTP + MitoQ + Exercise(MQE, n=10). Exercise intervention groups performed the treadmill exercise for 5days/week for 5 weeks with gradual increase of intensity. MitoQ intake groups consumed the MitoQ at a concentration of 250μmol by dissolving with water during experiment period. Our data demonstrated that ME and MQE group restored MPTP-induced motor dysfunction. In addition, treatment groups(MQ, ME and MQE) increased tyrosine hydroxylase levels, and suppressed the accumulation of α-synuclein levels. Futhermore, treatment groups modulated the mitochondrial function such as upregulated mitochondrial biogenesis, increased antioxidant enzyme, enhanced a anti-apoptotic protein(e.g., BCL2), and reduced a pro-apoptotic protein(e.g., BAX). Taken together, these results suggested that endurance exercise and MitoQ intake-mediated increase in mitochondrial function contributes to improvement of aggravated dopaminergic neuronal, resulting in attenuation of motor function of Parkinson's disease.