• Title, Summary, Keyword: Disuse atrophy

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Temporomandibular Disorder and Disuse Atrophy of the Masticatory Muscles after Surgical Resection of a Schwannoma: A Case Report

  • Lee, Yeon-Hee;Park, Hye-Ji;Hwang, Mi-Jin;Auh, Q-Schick
    • Journal of Oral Medicine and Pain
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    • v.43 no.4
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    • pp.147-151
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    • 2018
  • Disuse atrophy involves gradual muscle weakening due to inadequate usage and can cause temporomandibular disorder (TMD). A 45-year old man with TMD symptoms on the left side, who had disuse atrophy of the masticatory muscles on the right side following surgical removal of a trigeminal schwannoma on the right side, first visited the Department of Orofacial Pain and Oral Medicine at Kyung Hee University Dental Hospital with left jaw pain and difficulty in opening mouth and chewing. He had been experiencing difficulties in cognitive function, decrease in visual acuity, impaired speech, and writing deficits after brain surgery. Furthermore, he complained of abnormal occlusion on the right side, which interfered with his ability to chew comfortably and open his mouth effectively. Herein, we describe a contralateral TMD case due to ipsilateral disuse atrophy after brain surgery for a trigeminal schwannoma and our successful treatment with medication, physical therapy, and stabilization splint.

The Protective Effects of Dangguibohyul-tang (Dangguibuxuetang) against Disuse Muscle Atrophy in Rats (흰쥐의 불용성 근위축에 당귀보혈탕이 미치는 영향과 그 기전에 관한 고찰)

  • Kim, Bum Hoi
    • Journal of Korean Medicine Rehabilitation
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    • v.27 no.4
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    • pp.1-9
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    • 2017
  • Objectives Oxidative stress, in which antioxidant proteins and scavenger protection are overwhelmed by reactive oxygen species (ROS) production, is recognized as one of central causes of disuse muscle atrophy. In this study, the hypothesis that oral treatment with Dangguibohyul-tang (Dangguibuxuetang) could attenuate immobilization-induced skeletal muscle atrophy was tested. Methods The hindlimb immobilization was performed with casting tape to keep the left ankle joint in a fully extended position. The Rats in Dangguibohyul-tang treated group (DGBHT) (n=10) were orally administrated Dangguibohyul-tang water extract, and rats of Control group (n=10) were given with saline only. After 2 weeks of immobilization, the morphology of right and left gastrocnemius muscles in both DGBHT and Control groups were assessed by hematoxylin and eosin staining. Results Dangguibohyul-tang water extract represented the significant protective effects against the reductions of the left gastrocnemius muscles weight and average cross section area to compared with Control group. Moreover, the treatment with Dangguibohyul-tang extract significantly enhanced the Cu/Zn-SOD activities in gastrocnemius muscle compared with Control group. Conclusions Thses results suggest that Dangguibohyul-tang has protective effects against immobilization-induced muscle atrophy by increasing the Cu/Zn-SOD activities in gastrocnemius muscle.

The Effects of Acupuncture at GB34 on Disuse Muscle Atrophy in Rats (흰쥐의 불용성 근위축에 양릉천 자침이 미치는 효과)

  • Kim, Bum Hoi
    • Journal of Korean Medicine Rehabilitation
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    • v.28 no.4
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    • pp.1-9
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    • 2018
  • Objectives Disuse muscle atrophy occurs in response to pathologies such as joint immobilization, inactivity or bed rest. Muscle disuse is accompanied by an increase in apoptotic signaling, which mediates some of the responses to unloading in the muscle. GB34 (Yanglingquan) is a acupuncture point on the lower leg and one of the most frequently used points in various skeletomuscular diseases. In this study, the hypothesis that the acupuncture at GB34 could attenuate immobilization-induced skeletal muscle atrophy was tested. Methods The left hindlimb immobilization was performed with casting tape in both GB34 group (n=10) and Control group (n=10). The rats in GB34 group were daily treated with acupuncture at GB34. After 2 weeks of immobilization, the morphology of right and left gastrocnemius muscles in both GB34 and Control groups were assessed by hematoxylin and eosin staining. To investigate the immobilization-induced muscular apoptosis, the immunohistochemical analysis of Bax and Bcl-2 was carried out. Results GB34 group represented the significant protective effects against the reductions of the left gastrocnemius muscles weight and average cross section area to compared with Control group. The acupuncture at GB34 significantly reduced the immunoreactivity of BAX and increased the immunoreactivity of Bcl-2 in gastrocnemius muscle compared with Control group. Conclusions These results suggest that the acupuncture at GB34 has protective effects against immobilization-induced muscle atrophy by regulating the activities of apoptosis-associated BAX/Bcl-2 proteins in gastrocnemius muscle.

Effect of Adjuvant Administration on Gastrocnemius Atrophy Induced by Ankle Joint Fixation in Rats (흰쥐 발목고정으로 유발된 비복근 위축에서 보조약물 투여가 미치는 효과)

  • Kim, Bumhoi;Lee, Taesik
    • Journal of The Korean Society of Integrative Medicine
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    • v.5 no.4
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    • pp.49-55
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    • 2017
  • Purpose : In this study we tested the hypothesis that eucommia ulmoides (EU) extract would improve disuse-induced muscle atrophy following hindlimb immobilization. Method : The hindlimb immobilization was performed with casting tape to keep the left ankle joint in a fully extended position. The rats in EU treated group were orally administrated with eucommia ulmoides water extract. After 2 weeks of immobilization, all animals were sacrificed, and the whole gastrocnemius muscles were dissected from both legs. The morphology of right and left gastrocnemius muscles in both EU and control groups were assessed by hematoxylin and eosin staining. Results : Eucommia ulmoides extract represented the significant protective effects against the reductions of the gastrocnemius muscles weight and average cross section area to compared with Control group. Conclusion : Eucommia ulmoides has protective effects against immobilization induced muscle atrophy.

The Effects of Daeyeoung-jeon on the Prevention of Disuse Muscle Atrophy in Rats (대영전(大營煎)이 불용성 근위축에서의 apoptosis 관련 단백질들의 발현변화에 미치는 영향)

  • Kim, Bum Hoi
    • Herbal Formula Science
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    • v.25 no.4
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    • pp.499-508
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    • 2017
  • Objectives : Skeletal muscle atrophy occurs in response to a variety of conditions. The unloading to muscle occurs clinically in limb immobilization, bed rest, spinal cord injury and peripheral nerve damage, resulting in significant loss of muscle mass and force production. Muscle disuse is accompanied by an increase in apoptotic signaling, which mediates some of the responses to unloading in the muscle. In this study we tested the hypothesis that Daeyeoung-jeon extract would improve muscle recovery after reloading following disuse. Method : Twenty young male Sprague-Dawley rats were used for the studies. The hindlimb immobilization was performed with casting tape to keep the left ankle joint in a fully extended position. No intervention was performed on the right leg and used as intact region. The Rats in Daeyeoung-jeon treated group (DYJ) were orally administrated Daeyeoung-jeon water extract, and rats of Control group were given with saline only. After 2 weeks of immobilization, all animals were sacrificed, and the whole gastrocnemius muscles were dissected from both legs. The morphology of right and left gastrocnemius muscles in both DYJ and Control groups were assessed by hematoxylin and eosin staining. Moreover, to investigate the immobilization-induced muscular apoptosis, the immunohistochemical analysis of Bax and Bcl-2 was carried out. Results : Daeyeoung-jeon represented the significant protective effects against the reductions of the left gastrocnemius muscles weight and average cross section area to compared with Control group. The treatment with Daeyeoung-jeon extract significantly reduced the immunoreactivity of BAX and increased the immunoreactivity of Bcl-2 in gastrocnemius muscle compared with Control group. Conclusion : Daeyeoung-jeon has protective effects against immobilization-induced muscle atrophy by regulating the activities of apoptosis-associated BAX/Bcl-2 proteins in gastrocnemius muscle.

The Protective Effects of Zanthoxylum bungeanum Maxim Pharmacopuncture on Disuse Muscle Atrophy in Rat Gastrocnemius Muscle

  • Chung, Yeon Joong;Lee, Yun Kyu;Lee, Bong Hyo;Kim, Jae Soo;Lee, Hyun-Jong
    • Journal of Acupuncture Research
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    • v.36 no.4
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    • pp.238-244
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    • 2019
  • Background: This study aimed to investigate the protective effects of Zanthoxylum bungeanum Maxim pharmacopuncture on disuse muscle atrophy in the gastrocnemius muscle of rats. Methods: Thirty male 250 g Sprague-Dawley rats were distributed randomly into 3 groups. The left hindlimb immobilization was performed with casting tape for 2 weeks, and no treatment was given to the right hindlimb. Rats received pharmacopuncture and were injected daily on the BL57 with either 2 mL of Zanthoxylum bungeanum Maxim aqueous extract (ZM-W group), 1 mL pharmacopuncture of Zanthoxylum bungeanum Maxim ethanol extract (ZM-E group), or 2 mL normal saline (control group). After 2 weeks of immobilization, the weight of the whole gastrocnemius muscle was measured, and the morphology of both the left and the right gastrocnemius muscles were assessed by Hematoxylin and Eosin staining. To investigate the immobilization-induced muscular apoptosis, the immunohistochemical analysis of BAX and Bcl-2 was carried out. Results: ZM-W and ZM-E significantly inhibited the reduction in weight of the left gastrocnemius muscle, the reduction in the left myofibrils, and the cross-sectional area of gastrocnemius, as compared with the control. Moreover, the ZM-W and ZM-E groups showed significantly reduced immunoreactivity for BAX, and increased immunoreactivity of Bcl-2 in left gastrocnemius muscle compared with the control group. Conclusion: These results suggest that Zanthoxylum bungeanum Maxim pharmacopuncture has protective effects against immobilization-induced muscle atrophy by regulating the activity of apoptosis-associated BAX / Bcl-2 proteins in the gastrocnemius muscle.

The Effects of Stimulation of Acupuncture Point ST36 on Disuse Muscle Atrophy in Rats (흰쥐 발목관절고정으로 유발된 장딴지근 위축에 경혈점 자극이 미치는 효과)

  • Kim, Bumhoi;Lee, Taesik
    • Journal of The Korean Society of Integrative Medicine
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    • v.6 no.4
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    • pp.75-82
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    • 2018
  • Purpose : The present study tested the hypothesis that acupressure at Zusanli(ST36) would attenuate immobilization-induced skeletal muscle atrophy. Methods : The left hind limb was immobilized using casting tape (ST36 group, n=10), and the animals were then treated daily with a pressure needle at ST36. Ten untreated animals with hind limb immobilization and no treatment served as a control group (n=10). After 2 weeks of immobilization, The body weight changes of rats were evaluated and the morphologies of the right and left gastrocnemius muscles in both the ST36 and control groups were assessed by hematoxylin and eosin staining. The levels of malondialdehyde (MDA) of gastrocnemius muscles were observed. Results : The acupressure at the accupoint of Zusanli conferred significant protection against reductions in left gastrocnemius muscle weights and average cross-sectional muscle areas in the ST36 group as compared with those in the control group. Moreover, the acupressure at the ST36 point significantly reduced malondialdehyde (MDA) activity in the gastrocnemius muscles as compared with that in the control group. Conclusion : These results suggest that acupressure at the accupoint of Zusanli provides protection against immobilization-induced muscle atrophy by decreasing MDA activity in gastrocnemius muscles.

The Effects of Dokhwalgisaeng-tang against Disuse Muscle Atrophy in Gastrocnemius of Rats

  • Gong, Han Mi;Lee, Yun Kyu;Lee, Bong Hyo;Kim, Jae Soo;Lee, Hyun-Jong
    • Journal of Acupuncture Research
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    • v.35 no.4
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    • pp.207-213
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    • 2018
  • Background: The purpose of this study was to examine the effect of Dokhwalgisaeng-tang on immobilization-induced muscle atrophy. Methods: Twenty young male Sprague-Dawley rats were divided into 2 groups. The rats in Dokhwalgisaeng-tang group were orally administered Dokhwalgisaeng-tang water extract, and the rats in the control group were given saline only. Hind limb immobilization was performed with casting tape to keep the left ankle joint in a fully extended position. No intervention was performed on the right leg which was used as an intact region. After 2 weeks of immobilization, all animals were sacrificed, and the gastrocnemius muscle was dissected from both legs and weighed. The morphology of the right and the left gastrocnemius muscle in both the Dokhwalgisaeng-tang and the control group was assessed by hematoxylin and eosin staining. The muscle cross sectional area was examined by image analysis (Axiovision LE software). In addition, immunohistochemical staining was carried out using the free-floating method, and the number of apoptotic related proteins were counted (anti-BAX, anti-Bcl-2). Results: Dokhwalgisaeng-tang showed a significant protective effect against the reduction of the left gastrocnemius muscle (weight and muscle cross sectional area) compared with the control group. Moreover, the treatment with Dokhwalgisaeng-tang significantly reduced protein expression of BAX and increased protein expression of Bcl-2 in the gastrocnemius muscle compared with the control group. Conclusion: Dokhwalgisaeng-tang showed protective effects against disuse muscle atrophy, potentially through altered BAX and Bcl-2 protein expression in the gastrocnemius muscle.

Analyzing the Problem of the Caregiver Education System through a Research of the Caregiving Service Activity (요양보호 서비스 활동 조사를 통한 요양보호사 교육과정의 문제점 분석)

  • Suh, Tae-Soo;Kim, Kyong-Tae;Jun, Kyoung-Hee
    • The Journal of Korean Physical Therapy
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    • v.20 no.4
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    • pp.61-69
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    • 2008
  • Purpose: We evaluated caregivers' understanding of patients' diseases and disuse syndrome, the understanding of exercise and massage related to rehabilitation and the necessity of education about these, the difference in education and realities of the care-giving field, and the extra services needed in the field. Methods: The survey using questionnaires was performed from June 2008 to August 2008 with 220 people participated in caregive education programme in daegu city and area near dagu city. Among the 220 submitted questionnaires, 184 which were faithfully answered were selected and they were analyzed by i-STATistics statistical program. Results: The educational focus of the first and second level caregivers, as defined by the second clause of the 29th article of the Elderly Welfare law, is on basic knowledge of diseases such as dementia, stroke, and depression. However, other diseases are not covered and the information does not include information on decreased function, complications, functional rehabilitating exercises, or preventing disuse syndrome for long term patients. The most common diseases, in order of prevalence, are stroke, dementia, diabetes mellitus, Parkinson disease, arthritis, and geriatric inertness. The general level of awareness about disuse syndrome was low, and patients, while understanding the need for massage and rehabilitative exercise, receive little education about the proper methods and therefore cannot use them. Patients also did not understand how participating in these activities could reduce medical fees, indicating that further education on massage and rehabilitative exercise is needed. Caregivers desired to include positive rehabilitation, massage, and exercise-related services in their services. Finally, differences in caregiver education and reality resulted from a lack of diversity in education. Conclusion: We suggest providing education on disuse atrophy and improving the lack of diversity in the care-giving education system.

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