• 제목/요약/키워드: weight training

검색결과 1,034건 처리시간 0.026초

근위축 발생전의 지구력 운동이 쥐의 위축뒷다리근의 질량, 근원섬유 단백질 함량 및 근섬유 단면적에 미치는 영향 (Effect of Endurance Exercise Prior to Occurrence of Muscle Atrophy on the Mass, Myofibrillar Protein Content and Fiber Crossectional Area of Atrophied Hindlimb Muscles of Rats)

  • 최명애
    • 대한간호학회지
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    • 제27권1호
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    • pp.96-108
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    • 1997
  • The purpose of this study was to determine the effect of endurance training prior to occurrence of muscle atrophy on the mass, myofibrillar protein content and fiber crossectional area of atrophied hindlimb muscles of rats. Adult female Wistar rats were trained prior to occurrence of muscle atrophy induced by hindlimb suspension. Training began on the 1st day for 10min /day at 15m /min on a 0% grade, training exercise increased daily in time and intensity so that by the 4th week rats were running 60min /day, at 34m /min on a i3.5% grade. Wet weight and relative weight of soleus, plantaris and gastrocnemius muscle decreased significantly after seven days of hindlimb suspension. Wet weight and relative weight of soleus tended to increase and that of plantaris and gastrocnemius tended to decrease in the exercise group as compared to the control group. Myofibrillar protein content of soleus and gastrocnemius tended to increase and that of plantaris tended to decrease in the endurance trained group as compared to the control group. Fiber crossectional area of Type I, II fiber in soleus and plantaris muscle tended to increase in the exercise group as compared to the control group. Wet weight and relative weight of soleus. plantaris and gastrocnemius decreased significantly, myofibrillar protein content of soleus, plantaris and gastrocnemius increased in hindlimb suspended rats following endurance training as compared to the control group. There was no change in fiber type percentage and crossectional area of type I and II fiber in soleus muscle and that of type I and IIfiber in plantaris muscle decreased in the hindlimb suspended rats following endurance training as compared to the control group. Wet weight and relative weight of soleus and plantaris tended to increase, that of gastrocnemius increased significantly, myofibrillar protein content of soleus and plantaris muscle increased significantly and that of gastrocnemius tended to increase in the hindlimb suspended rats following endurance training as compared to sedentary rats following endurance training. Crossectional area of type I fiber of soleus muscle tended to increase. that of type I fiber of plantaris muscle increased significantly and that of type II fiber tended to increase in hindlimb suspended rats following endurance training as compared to sedentary rats following endurance training. The results suggest that endurance training prior to occurrence of muscle atrophy can attenuate the decrease of mass, myofibrillar protein content and fiber crossectional area induced by hindlimb suspension.

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Interrelationship of Biological Yield and Harvest Index in Mulberry and Its Association with Shoot Rearing in Silkworm (Bombyx mori L.)

  • Susheelamma, B.N.;Kamble, Chandrakanth;Dandin, S.B.
    • International Journal of Industrial Entomology and Biomaterials
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    • 제4권2호
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    • pp.143-147
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    • 2002
  • Studies on the interrelationship between biological yield and harvest index, and their association with shoot rearing were carried out in 9 promising mulberry genotypes, which indicated significant variations among genotypes. Biological yield had close association with leaf yield components indicating that they are inter-related for higher productivity in mulberry, Biological yield revealed highly significant positive correlation with important leaf yield components. However height of the longest branch showed negative correlation with biological yield. Genotypes with higher biological yield associated with low ratio of stem weight to leaf weight and high Harvest index on dry weight basis are to be selected for shoot rearing. Biological yield recorded on fresh weight basis had less impact on the present study in comparison to dry weight basis.

12주간의 순환근력운동이 중년여성의 신체조성 및 기초체력에 미치는 영향 (The effect of circuit weight training on body composition and physical fitness of middle-aged women for 12 week)

  • 윤기용;김용진
    • 디지털융복합연구
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    • 제14권6호
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    • pp.363-370
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    • 2016
  • 본 연구는 중년여성을 대상으로 12주간 순환근력운동이 신체구성성분과 기초체력에 어떠한 영향을 미치는지를 분석하기 위해 실시되었다. 최근 6개월 동안 규칙적으로 운동을 하지 않았으며, 질병 및 신체적 이상소견이 없는 중년여성 34명을 대상으로 12주간 순환근력운동을 실시하였으며, 신체구성성분검사와 기초체력검사항목으로 평가하였다. 결과에서 신체구성성분검사는 체중, 체지방률, 허리둘레 모든 항복에서 통계적으로 유의한 차이를 보였으며, 기초체력측정에서는 악력과 제자리멀리뛰기에서 어느 정도의 향상을 보이기는 했지만 통계적으로 유의한 차이가 나타나지 않았다. 그러나 상대악력, 앉아윗몸 앞으로 굽히기, 교차윗몸일으키기, 10m왕복달리기, 20m왕복오래달리기에서는 통계적으로 유의한 차이가 나타난 것으로 보았을 때, 12주간의 순환근력운동이 중년여성의 신체구성성분과 기초체력에서 효과를 보여 비만 개선과 체력증진을 위한 운동프로그램으로 권장될 수 있을 것으로 사료된다.

Effects of trunk control robot training on balance and gait abilities in persons with chronic stroke

  • Lim, Chae-gil
    • Physical Therapy Rehabilitation Science
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    • 제9권2호
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    • pp.105-112
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    • 2020
  • Objective: To investigate the effects of training using a trunk control robot (TCR) system combined with conventional therapy (CT) on balance and gait abilities in persons with chronic stroke. Design: Two-group pretest-posttest design. Methods: Thirty-five subjects with chronic stroke were randomly assigned to either the TCR group (n=17) or the trunk extension-training (TET) group (n=18). Both groups performed CT for 30 minutes, after which the TCR group performed TCR training and the TET group performed trunk extension training for 20 minutes. Both groups performed the therapeutic interventions 3 days per week for 6 weeks. Balance ability was evaluated using the Berg Balance Scale (BBS), and the Timed Up-and-Go (TUG) test. Gait ability was measured using the 10 m Walk Test (10MWT) and the NeuroCom Smart Balance Master. Results: TCR group showed significant improvements in static balance (weight bearing) and dynamic balance (weight shifting speed, weight shifting direction, BBS, and TUG), 10MWT, gait speed, and step width (p<0.05); step length was not significant. The TET group showed a significant partial improvement of dynamic balance (weight shifting speed, weight shifting direction, BBS, and 10MWT (p<0.05), but the improvements in static balance, TUG, gait speed, and step width and step length was not significant. Additionally, significant differences in static balance, dynamic balance (weight shifting speed, weight shifting direction, BBS, and TUG), 10MWT, gait speed, and step width were detected between groups (p<0.05). Conclusions: TCR training combined with CT is effective in improving static and dynamic balance, as well as gait abilities in persons with chronic stroke.

Induction of Non-Diapause Eggs and Manifestation of Quantitative Characters by Low Temperature Incubation of Eggs in the Silkworm, Bombyx mori L.

  • Singh, Ravindra;Jayaswal, K.P.;Rao, D.Raghavedra;Kariappa, B.K.;Premalatha, V.
    • International Journal of Industrial Entomology and Biomaterials
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    • 제4권2호
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    • pp.149-153
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    • 2002
  • Induction of non-diapause eggs and manifestation of quantitative characters were studied in different seasons by low temperature incubation of eggs of a low yielding diapause with coloured cocoons silkworm breed, RDI of Bombyx mori. Hundred percent of nandiapause eggs were induced when the egg incubation was carried out at 15$^{\circ}C$ followed by incubation initially at $25^{\circ}C$ and then at $15^{\circ}C$. The diapause-nondia-pause relation was found to be reversible. Analysis of variance study demonstrated significant variation in all the quantitative characters whereas significant variation due to different incubation treatments was observed for larval span, fifth instar larval span, cocoon yield/10,000 larvae by weight, cocoon weight, cocoon shell weight, and cocoon shell ratio. study on hybrid vigour skewed significant heterosis over mid parent value for four economic characters viz., cocoon weight, cocoon shell weight, cocoon shell ratio and filament length in a Fl hybrid between RD1 with diapause eggs and Japanese type bivoltine $NB_{4} D_{2}$.

A Study on the Effects of Turmeric Intake after Weight Training on Blood Alcohol Concentration

  • KIM, Jun-Su;KIM, Young-Chul
    • 식품보건융합연구
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    • 제7권3호
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    • pp.33-40
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    • 2021
  • The purpose of this study was to investigate the effects of turmeric intake and weight training on blood alcohol concentration, liver enzyme levels of and their effects on health promotion in adult males. There was no significant difference of taking turmeric powder combined with weight training exercise on blood alcohol levels in adult men who consumed alcohol on a regular basis. There was also no change on the change of body composition. The results were collected from elite athletes that had spent more than 10 years in their respective sports so it is difficult to observe any significant results from 8 weeks, short-term exercises of 1RM 70~80%, 3 times per week. In the next study, it is necessary to divide the subjects into more diverse groups and subject them by varying amounts of turmeric intake, exercise, etc., in order to fully study and understand the effects on blood alcohol level, change, and health promotion. Consequently, this study demonstrated there were no significant differences in the effects of continuous drinking habits of adult men's turmeric powder intake and weight training exercise on changes in GOT, GPT, γ-GTP, and blood alcohol concentrations. Moreover, health improvements themselves didn't affect changes in body composition.

메디신볼을 활용한 체중이동 트레이닝이 초보 골퍼의 체력과 골프수행력에 미치는 영향 (Effects of Weight Shift Training by Medicine Ball on Physical Fitness and Golf Performance in Beginner Golfer)

  • 박익렬
    • 한국콘텐츠학회논문지
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    • 제12권1호
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    • pp.500-507
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    • 2012
  • 본 연구의 목적은 교양 골프를 수강하는 초보 골퍼 남자대학생 20명(운동군 10명, 통제군 10명)을 대상으로 8주간 메디신볼 던지기를 활용한 체중이동 트레이닝이 골프 관련 주요 체력 요인인 근력과 유연성, 골프수행력인 헤드스피드와 비거리에 미치는 영향을 규명하는데 있다. 주요 처치였던 메디신볼 던지기 트레이닝은 수업 시작 후 5주차부터 9주차까지 4주간은 3kg의 메디신볼을, 10주차부터 14주차까지 4주간은 5kg의 메디신볼을 허리 높이와 어깨 높이로 골프 스윙과 유사하게 어드레스, 백스윙, 폴로스루 동작으로 메디신볼 던지기 트레이닝을 실시한 결과는 다음과 같다. 메디신볼 던지기를 활용한 체중이동 트레이닝은 골프의 주요 체력 요인인 근력과 유연성에 유의한 차이를 나타냈으며, 골프수행력인 헤드스피드와 비거리에서도 유의한 결과를 나타냈다. 따라서 결론적으로 초보 골프 수강생들에게 중량있는 메디신볼 던지기를 활용한 체중이동 트레이닝은 골퍼의 체력 요인인 근력과 유연성의 향상은 물론 골프수행력인 헤드스피드와 비거리 향상에 긍정적인 변화를 가져와 준비운동을 겸한 주운동으로서도 매우 효과적인 트레이닝법이라고 사료된다.

앉고 일어서기 동작에서 점진적 체중 이동을 이용한 시각적 되먹임 훈련이 만성 편마비 환자의 균형 및 보행능력에 미치는 영향 (Effect of Visual Feedback Training for Gradual Weight Shift in the Sit-to-stand Training on the Balance and Walking Abilities of Chronic Hemiplegia Patients)

  • 김경환;박성훈;김형민;박노욱;김다연
    • PNF and Movement
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    • 제15권1호
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    • pp.77-84
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    • 2017
  • Purpose: This study aimed to investigate the effect of visual feedback training-for gradual weight shift in sit-to-stand training-on the balance and walking abilities of chronic hemiplegia patients. Methods: Twenty patients with chronic hemiplegia volunteered to participate in this study. The experimental group received visual feedback for gradual weight shift in the sit-to-stand training, while the contrast group followed the standard process for the sit-to-stand training. The evaluation of the balance and walking ability was conducted with the functional reach test (FRT), Berg balance scale (BBS), five time sit-to-stand (FTSTS) test, timed up and go (TUG) test, 10 m walk test (10MWT), balancia, activities-specific balance confidence (ABC) scale, and falls efficacy scale (FES). Results: In the results before and after intervention, there was a significant difference in TUG, 10MWT, ABC, and FES in the visual feedback training group (p < 0.05). In the control group, there was a significant difference in the 10MWT and ABC (p < 0.05). Also, in the evaluation of the postural fluctuations, the control group data showed a significant increase in Covar. The visual feedback group showed a significant difference in the W average. Conclusion: The visual feedback training group showed some improvement in terms balance and walking ability and on the ABC scale and FES. Therefore, if the diagonal progressive weight bearing exercise is combined with the various patterns and basic principles of PNF, it may be a more efficient intervention method.

Manifestation of Hybrid Vigour and Combining Ability in Polyvoltine $\times$ Bivoltine Hybrids of Silkworm, Bombyx mori L.

  • Rao, D.Raghavendra;Singh, Ravindra;Premalatha, V.;Kariappa, B.K.;Rekha, M.
    • International Journal of Industrial Entomology and Biomaterials
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    • 제4권1호
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    • pp.23-30
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    • 2002
  • The general and specific combining abilities and hybrid vigour of seven polyvoltine breeds [BL24, BL62, BL6S, BL67, BL68, BL69, and Pure Mysore (PM)] with five bivoltine breeds (NB4D2, CSR2, CSR5, CSR18 and CSR19) were evaluated in a line ${times}$ tester design by analysing six quantitative traits viz., fecundity, yield 110,000 larvae both by number and weight, cocoon weight, shell weight and cocoon shell ratio. ANOVA estimates showed significant effects for all the traits indicating the role of both additive and non- additive gene actions. Estimation of GCA revealed that the breed BL67 exhibited significant positive effects toy all the six traits followed by BL68 for four important economic traits viz., fecundity, cocoon weight, shell weight and cocoon shell ratio. Among testers, CSR5 showed significant GCA effects for five traits whereas CSR2 exhibited for shell weight and shell ratio. Three hybrids viz., BL67${times}$ NB4D2, BL67 ${times}$CSR5 and BL67${times}$ CSR19 excelled in four quantitative traits for SCA. Majority of the hybrids expressed positive hybrid vigour for cocoon yield/10,000 larvae by weight, cocoon weight and shell weight. Four hybrids namely PM ${times}$ NB4D2, BL67 ${times}$NB4D2, BL67${times}$ CSR5 and BL67${times}$ CSR19 manifesting positive hybrid vigour for five economic traits were adjudicated as best Heterotic hybrids and recommended for commercial exploitation to increase the silk yield.

운동이 쥐의 위축가자미근의 질량과 상대근 무게에 미치는 영향 (Effect of Exercise on the Mass and Relative Muscle Weight of Atrophied Soleus Muscles of Rats)

  • 최명애
    • 대한간호학회지
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    • 제21권3호
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    • pp.281-294
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    • 1991
  • The purpose of this study was to determine the amount of soleus muscle atrophy in rats due to 28 days of decreased activity induced by hindlimb suspension, to observe the restoration of mass and relative muscle weight of the atrophied soleus muscle at day 28 of recovery to control value, and to compare the effect of run training on the mass and relative muscle weight of the atrophied soleus muscle at day 28 of recovery with that of sedentary rats. Adult female Wistar rats were maintained for 28 days with hindlimb suspension. Rats were then assigned randomly to a cage sedentary or running group. Soleus muscle mass and relative muscle weight following hindlimb suspension were compared with a control value. The soleus muscle mass and relative muscle weight of the running and cage sedentary groups following hindlimb suspension were compared with those of a control group. Soleus muscle mass and relative muscle weight of the run training group were compared with those of cage sedentary group. The results obtained were as follows : 1. Soleus muscle mass and relative muscle weight was reduced to 53.28% and 51.11% respectively by hindlimb suspension. 2. Soleus muscle mass and relative muscle weight of the training group t day 28 of recovery was restored to the control value. 3. Soleus muscle mass of the training group was greater than that of the cage sedentary group by 6.6% without statistical significance at day 28 of recovery. 4. Relative soleus muscle weight of the traning group was significantly greater than that of the cage sedentary group by 15.79% From these results, it may be concluded that run training during the posthypokinetic period facilitates the recovery of the atrophied soleus muscle mass of rats.

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