Kyeong-Mi Kim

Kyungnam University, Changnyeong, South Gyeongsang, South Korea

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Publications (4)7.03 Total impact

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    ABSTRACT: [Purpose] This study measured %isolation and investigated whether it shows a difference between the presence and absence of wrist joint restriction, as well as changes in muscle activity patterns. [Methods] Twenty subjects performed upper extremity functional movement in the Manual Function Test (MFT) with and without wrist restriction, and the muscle activities of the trapezius, middle deltoid, biceps brachii, triceps brachii, extensor carpi radialis, and flexor carpi radialis were recorded. When there were differences in muscle activation, %isolation was implemented and the changes in the muscle activity patterns were noted. [Results] In the grasping and pinching tasks, there was a significant increase in %isolation of the upper trapezius and a significant decrease in %isolation of the extensor carpi radialis. Carrying a cube task, %isolation of the upper trapezius and middle deltoid significantly increased, whereas %isolation of the triceps brachii and extensor carpi radialis significantly decreased. In the pegboard task, the %isolation values of the extensor carpi radialis and flexor carpi radialis significantly decreased. [Conclusion] The data of this study should be useful for therapists, who can employ the information as material for the education and treatment of patients with wrist joint restriction. Therapists may thus look for ways to improve the quality of mobility by predicting the complement mobility depending on the activity performed and then determine whether to facilitate or restrict mobility.
    Journal of Physical Therapy Science 11/2013; 25(11):1411-4. · 0.18 Impact Factor
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    ABSTRACT: We investigated whether a hippotherapy simulator has influence on symmetric body weight bearing during gait in patients with stroke. Stroke patients were divided into a control group (n = 10) that received conventional rehabilitation for 60 min/day, 5 times/week for 4 weeks and an experimental group (n = 10) that used a hippotherapy simulator for 15 min/day, 5 times/week for 4 weeks after conventional rehabilitation for 45 min/day. Temporospatial gait assessed using OptoGait and trunk muscles (abdominis and erector spinae on affected side) activity evaluated using surface electromyography during sit-to-stand and gait. Prior to starting the experiment, pre-testing was performed. At the end of the 4-week intervention, we performed post-testing. Activation of the erector spinae in the experimental group was significantly increased compared to that in the control group (p < 0.01), whereas activation of the rectus abdominis decreased during sit-to-stand. Of the gait parameters, load response, single support, total double support, and pre-swing showed significant changes in the experimental group with a hippotherapy simulator compared to control group (p < 0.05). Moreover, activation of the erector spinae and rectus abdominis in gait correlate with changes of gait parameters including load response, single support, total double support, and pre-swing in experimental group. These findings suggest that use of a hippotherapy simulator to patients with stroke can improve asymmetric weight bearing by influencing trunk muscles.
    Neurorehabilitation 08/2013; · 1.42 Impact Factor
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    ABSTRACT: Traumatic brain injury (TBI) occurs when an outside force impacts the brain. The main problem associated with TBI is neuronal cell death of the brain, and the outcome of TBI ranges from complete recovery to permanent disability, and sometimes death. Physical exercise is known to ameliorate neurologic impairment induced by various brain insults. In the present study, we investigated the effects of treadmill exercise on short-term memory and apoptosis in the hippocampus following TBI in rats. TBI was induced by an electromagnetic-controlled cortical impact. The rats in the exercise group were forced to run on a treadmill for 30min once daily for 10 consecutive days, beginning 2days after induction of TBI. For the current study, a step-down avoidance task, terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) assay, Western blot for Bcl-2 and Bax, and immunohistochemistry for caspase-3 were conducted. The present results revealed that TBI impaired short-term memory, and increased DNA fragmentation and caspase-3 expression in the hippocampus. Induction of TBI also enhanced expression of pro-apoptotic factor Bax protein and suppressed expression of anti-apoptotic factor Bcl-2 protein in the hippocampus. Treadmill exercise alleviated short-term memory impairment, and decreased DNA fragmentation and caspase-3 expression in the hippocampus. In addition, treadmill exercise remarkably suppressed expression of Bax protein and slightly increased expression of Bcl-2 protein in TBI-induced rats. The present study showed that treadmill exercise might overcome TBI-induced apoptotic neuronal cell death, thus facilitating recovery following TBI.
    Physiology & Behavior 09/2010; 101(5):660-5. · 3.16 Impact Factor
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    ABSTRACT: The protective effect of Acanthopanax senticosus (AS) against ethanol (EtOH)-induced apoptosis of the human neuroblastoma cell line SK-N-MC was investigated via 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, flow cytometric analysis, DNA fragmentation assay, reverse transcription-polymerase chain reaction (RT-PCR), and caspase-3 assay. It was shown that cells treated with EtOH exhibit classical apoptotic features, while cells pre-treated with Acanthopanax senticosus prior to EtOH exposure showed decreased occurrence of apoptotic features. In addition, Acanthopanax senticosus pre-treatment was shown to inhibit EtOH-induced increase in caspase-3 mRNA expression and activity. These results suggest that Acanthopanax senticosus may exert a protective effect against EtOH-induced apoptosis of human neuroblastoma cells.
    The American Journal of Chinese Medicine 02/2003; 31(3):379-88. · 2.28 Impact Factor

Publication Stats

17 Citations
7.03 Total Impact Points


  • 2013
    • Kyungnam University
      Changnyeong, South Gyeongsang, South Korea
  • 2010
    • Inje University
      KĊ­mhae, South Gyeongsang, South Korea
  • 2003
    • Kyung Hee University
      • College of Medicine
      Seoul, Seoul, South Korea