A novel 5-DOF exoskeletal rehabilitation robot for upper limbs of hemiplegic patients caused by stroke is proposed in this paper. Its hardware structure is introduced and the control methods are ana- lyzed. To impleme...A novel 5-DOF exoskeletal rehabilitation robot for upper limbs of hemiplegic patients caused by stroke is proposed in this paper. Its hardware structure is introduced and the control methods are ana- lyzed. To implement intelligent and interactive rehabilitation exercises, motion intention of patients＇ up- per limb is introduced into control methods of rehabilitation exercises. In passive motions, according to the character of unilateral impaired, multi-channels surface electromyogram （sEMG） signals of patients＇ healthy arm muscles are acquired and analyzed to recognize the upper limb motions, then drive the robot and assist paralysis ann＇s rehabilitation exercises. In active-resistant motions, because patients are re- covered with some muscle forces and active motion ability after a rehabilitation period, the terminal force loaded on the robot by an impaired arm are estimated with multi-channel joint torque sensors, according to which, the terminal velocity of the robot is controlled to drive the joint motions with a damp controller.展开更多
Background： Although emerging evidence points to benefits from Tai Chi Chuan （TCC） in improving immune system function, its effects on cellular immune responses remain under-studied. The objective of this study was...Background： Although emerging evidence points to benefits from Tai Chi Chuan （TCC） in improving immune system function, its effects on cellular immune responses remain under-studied. The objective of this study was to evaluate the effects of TCC training on cellular immunity in non-small cell lung cancer patients. Methods： A 2-group randomized trial design in which post-surgical, non-small cell lung cancer survivors were randomly assigned to a TCC training group （n = 16） or a control group （n = 16）. The participants in the TCC group completed a 16-week intervention. The main immune response outcome measures assayed included the ratio of T-helper cells/T-suppressor cells （CD4＋：CD8＋ ratio） and complement regulatory proteins status （CRPs; CD55 and CD59）. Using repeated measures ANOVA, the data were analyzed for the participants who completed the study （n = 27）. Results： At 16 weeks, the TCC participants showed a significantly lower increment in the expression of CD55 （p 〈 0.05） as compared to the control group. No significant between-group differences were found in the CD4＋：CD8＋ ratio or CD59 expression. There were also no significant correlations among the changes in CRPs or T lymphocyte subpopulations, either. Conclusion： A 16-week TCC intervention caused no alterations in CD4＋：CD8＋ ratio, but significantly attenuated CD55 expression among post- surgical non-small cell lung cancer survivors.展开更多
By analyzing several effective finger practices, it is possible to consolidate the basic skills to help students adjust and establish a good touch mode. This is an important pre-requisite for pursuing strength and spe...By analyzing several effective finger practices, it is possible to consolidate the basic skills to help students adjust and establish a good touch mode. This is an important pre-requisite for pursuing strength and speed during playing. The training method can be targeted to solve some common problems, and guide students to consciously feel the touch and the change of tone, listening with ears, controlling with fingers to achieve solid and soft balanced unity.展开更多
Objective To assess Chinese surgeon practice of thromboprophylaxis following major orthopedic surgery. Methods A questionnaire survey was conducted amongst Chinese orthopedic surgeons. A total of 293 surgeons were sur...Objective To assess Chinese surgeon practice of thromboprophylaxis following major orthopedic surgery. Methods A questionnaire survey was conducted amongst Chinese orthopedic surgeons. A total of 293 surgeons were surveyed concerning five key aspects of thromboembolic prophylaxis after major orthopedic surgery at the proseminar of Chinese guidelines for prevention of venous thromboembolism (VTE) after major orthopedic surgery in January of 2009. Results Totally, 208 surgeons (71.0%) responded, successfully completing the questionnaire. Of them, 57.6% respondents selected combined basic, mechanical, and pharmacologic methods for thromboprophylaxis; 51.0% respondents prefer starting prophylaxis 12-24 hours after surgery; 60.3% surgeons would use chemoprophylaxis for 7-10 days; 47.6% respondents prefer VTE prevention based on patients' special conditions and needs upon discharge. "Safety" was the most repeated and emphasized factor during VTE prophylaxis. Conclusions Multimodal thromboprophylaxis is frequently used after major orthopedic surgery. Half surgeons prefer to start chemoprophylaxis 12-24 hours after surgery. Thromboprophylaxis regimen varies for discharged patients.展开更多
This text represents a research that by individual treatment explores the influence and effect of the so-called advanced karate training （combined training program for development of physical and mental skills） in s...This text represents a research that by individual treatment explores the influence and effect of the so-called advanced karate training （combined training program for development of physical and mental skills） in strengthening the person＇s tolerance to difficult and stressful situations. The aim of the research was to achieve optimal performance by the athletes during the kumite1 in karate. The research involved initial, control and final experiment, where the karate practitioners were focused on the training model given （group; n = 13） and working in a group with additional individual intensive sessions provided for each participant. All athletes were male contestants aged 26.4 - 6.8. The aim of the research was to explore how their performance can be influenced using psychological techniques during karate trainings, or how not to fall into one of the four undesirable states of mind called Shikai2. Results confirmed that the model of combined physical and mental training for athletes improves their physical skills and optimizes performance during competitions.展开更多
This paper provides a method to infer finger flexing motions using a 4-channel surface Electronyogram （sEMG）. Surface EMGs are hannless to the humnan body and easily done. However, they do not reflect the activity o...This paper provides a method to infer finger flexing motions using a 4-channel surface Electronyogram （sEMG）. Surface EMGs are hannless to the humnan body and easily done. However, they do not reflect the activity of specific nerves or muscles, unlike invasive EMCs. On the other hand, the non-invasive type is difficult to use for discriminating various motions while using only a small number of electrodes. Surface EMG data in this study were obtained from four electodes placed around the forearm. The motions were the flexion of each 5 single fingers （thumb, index finger, middle finger, ring finger, and little fingers）. One subject was trained with these motions and another left was untrained. The maximum likelihood estimation method was used to infer the finger motion. Experimental results have showed that this method could be useful for recognizing finger motions.The average accuracy was as high as 95%.展开更多
Objective To evaluate the efficacy of Tuina(Chinese therapeutic massage)manipulation plus horse-riding squat exercise in treating knee osteoarthritis(KOA)and optimize the combining protocol.Methods Based on a 2×2...Objective To evaluate the efficacy of Tuina(Chinese therapeutic massage)manipulation plus horse-riding squat exercise in treating knee osteoarthritis(KOA)and optimize the combining protocol.Methods Based on a 2×2 factorial design,120 eligible KOA patients were randomized into a manipulation group(group A1B2),a manipulation plus horse-riding squat group(group A1B1),a sitting knee-adjustment group(group A2B2 group),and a sitting knee-adjustment plus horse-riding squat group(group A2B1),with 30 cases in each group.The intervention was conducted three times a week,lasting for four weeks.The Western Ontario and McMaster Universities osteoarthritis index(WOMAC)was taken as the major measure for efficacy evaluation(including three component scores,pain,stiffness,and daily function,and total score).Results The three component scores(pain,stiffness,and daily function)and the total score of WOMAC showed significant differences after the intervention in the four groups(P<0.05).There were significant inter-group differences in the WOMAC stiffness score amongst the four groups after the intervention(P<0.05).In group A1B1,the step length,stride,walking speed,and knee joint flexion angle changed significantly after treatment(P<0.05).After the intervention,the step length changed significantly in group A1B2(P<0.05),and the walking speed changed significantly in group A2B1(P<0.05).There were no significant differences in the step length,stride,walking speed,or knee joint flexion angle among the four groups(P>0.05).The extensor peak torque at 180°/s changed significantly in group A1B2 after treatment(P<0.05).Neither the intra-group nor the inter-group comparisons of the four groups revealed significant differences in the other isokinetic muscle strength parameters(P>0.05).The main effect of manipulation showed significant in affecting the WOMAC pain and total scores(P<0.05).The main effect of horse-riding squat exercise showed significant in affecting the WOMAC pain and stiffness scores(P<0.05).Conclusion The four treatment protocols all can improve the symptoms of KOA,for instance,relieving pain and stiffness,and enhancing daily function.Group A2B1 produces the most eminent effect in relieving joint stiffness.The main effects of both manipulation and horse-riding squat exercise are significant in reducing pain.Besides,the main effect of horse-riding squat exercise is significant in relieving joint stiffness.展开更多
基金supported by the High Technology Research and Development Programme of China(No.2004AA421030)
文摘A novel 5-DOF exoskeletal rehabilitation robot for upper limbs of hemiplegic patients caused by stroke is proposed in this paper. Its hardware structure is introduced and the control methods are ana- lyzed. To implement intelligent and interactive rehabilitation exercises, motion intention of patients＇ up- per limb is introduced into control methods of rehabilitation exercises. In passive motions, according to the character of unilateral impaired, multi-channels surface electromyogram （sEMG） signals of patients＇ healthy arm muscles are acquired and analyzed to recognize the upper limb motions, then drive the robot and assist paralysis ann＇s rehabilitation exercises. In active-resistant motions, because patients are re- covered with some muscle forces and active motion ability after a rehabilitation period, the terminal force loaded on the robot by an impaired arm are estimated with multi-channel joint torque sensors, according to which, the terminal velocity of the robot is controlled to drive the joint motions with a damp controller.
基金supported by the National Natural Science Foundation of China(No.30840046)
文摘Background： Although emerging evidence points to benefits from Tai Chi Chuan （TCC） in improving immune system function, its effects on cellular immune responses remain under-studied. The objective of this study was to evaluate the effects of TCC training on cellular immunity in non-small cell lung cancer patients. Methods： A 2-group randomized trial design in which post-surgical, non-small cell lung cancer survivors were randomly assigned to a TCC training group （n = 16） or a control group （n = 16）. The participants in the TCC group completed a 16-week intervention. The main immune response outcome measures assayed included the ratio of T-helper cells/T-suppressor cells （CD4＋：CD8＋ ratio） and complement regulatory proteins status （CRPs; CD55 and CD59）. Using repeated measures ANOVA, the data were analyzed for the participants who completed the study （n = 27）. Results： At 16 weeks, the TCC participants showed a significantly lower increment in the expression of CD55 （p 〈 0.05） as compared to the control group. No significant between-group differences were found in the CD4＋：CD8＋ ratio or CD59 expression. There were also no significant correlations among the changes in CRPs or T lymphocyte subpopulations, either. Conclusion： A 16-week TCC intervention caused no alterations in CD4＋：CD8＋ ratio, but significantly attenuated CD55 expression among post- surgical non-small cell lung cancer survivors.
文摘By analyzing several effective finger practices, it is possible to consolidate the basic skills to help students adjust and establish a good touch mode. This is an important pre-requisite for pursuing strength and speed during playing. The training method can be targeted to solve some common problems, and guide students to consciously feel the touch and the change of tone, listening with ears, controlling with fingers to achieve solid and soft balanced unity.
文摘Objective To assess Chinese surgeon practice of thromboprophylaxis following major orthopedic surgery. Methods A questionnaire survey was conducted amongst Chinese orthopedic surgeons. A total of 293 surgeons were surveyed concerning five key aspects of thromboembolic prophylaxis after major orthopedic surgery at the proseminar of Chinese guidelines for prevention of venous thromboembolism (VTE) after major orthopedic surgery in January of 2009. Results Totally, 208 surgeons (71.0%) responded, successfully completing the questionnaire. Of them, 57.6% respondents selected combined basic, mechanical, and pharmacologic methods for thromboprophylaxis; 51.0% respondents prefer starting prophylaxis 12-24 hours after surgery; 60.3% surgeons would use chemoprophylaxis for 7-10 days; 47.6% respondents prefer VTE prevention based on patients' special conditions and needs upon discharge. "Safety" was the most repeated and emphasized factor during VTE prophylaxis. Conclusions Multimodal thromboprophylaxis is frequently used after major orthopedic surgery. Half surgeons prefer to start chemoprophylaxis 12-24 hours after surgery. Thromboprophylaxis regimen varies for discharged patients.
文摘This text represents a research that by individual treatment explores the influence and effect of the so-called advanced karate training （combined training program for development of physical and mental skills） in strengthening the person＇s tolerance to difficult and stressful situations. The aim of the research was to achieve optimal performance by the athletes during the kumite1 in karate. The research involved initial, control and final experiment, where the karate practitioners were focused on the training model given （group; n = 13） and working in a group with additional individual intensive sessions provided for each participant. All athletes were male contestants aged 26.4 - 6.8. The aim of the research was to explore how their performance can be influenced using psychological techniques during karate trainings, or how not to fall into one of the four undesirable states of mind called Shikai2. Results confirmed that the model of combined physical and mental training for athletes improves their physical skills and optimizes performance during competitions.
基金supported by the The Ministry of Knowledge Economy,Koreaunder the ITRC(Information Technology Research Center)support programsupervised by the ⅡTA(Institute for Information Technology Advancement)ⅡTA-2008-C1090-0803-0006
文摘This paper provides a method to infer finger flexing motions using a 4-channel surface Electronyogram （sEMG）. Surface EMGs are hannless to the humnan body and easily done. However, they do not reflect the activity of specific nerves or muscles, unlike invasive EMCs. On the other hand, the non-invasive type is difficult to use for discriminating various motions while using only a small number of electrodes. Surface EMG data in this study were obtained from four electodes placed around the forearm. The motions were the flexion of each 5 single fingers （thumb, index finger, middle finger, ring finger, and little fingers）. One subject was trained with these motions and another left was untrained. The maximum likelihood estimation method was used to infer the finger motion. Experimental results have showed that this method could be useful for recognizing finger motions.The average accuracy was as high as 95%.
文摘Objective To evaluate the efficacy of Tuina(Chinese therapeutic massage)manipulation plus horse-riding squat exercise in treating knee osteoarthritis(KOA)and optimize the combining protocol.Methods Based on a 2×2 factorial design,120 eligible KOA patients were randomized into a manipulation group(group A1B2),a manipulation plus horse-riding squat group(group A1B1),a sitting knee-adjustment group(group A2B2 group),and a sitting knee-adjustment plus horse-riding squat group(group A2B1),with 30 cases in each group.The intervention was conducted three times a week,lasting for four weeks.The Western Ontario and McMaster Universities osteoarthritis index(WOMAC)was taken as the major measure for efficacy evaluation(including three component scores,pain,stiffness,and daily function,and total score).Results The three component scores(pain,stiffness,and daily function)and the total score of WOMAC showed significant differences after the intervention in the four groups(P<0.05).There were significant inter-group differences in the WOMAC stiffness score amongst the four groups after the intervention(P<0.05).In group A1B1,the step length,stride,walking speed,and knee joint flexion angle changed significantly after treatment(P<0.05).After the intervention,the step length changed significantly in group A1B2(P<0.05),and the walking speed changed significantly in group A2B1(P<0.05).There were no significant differences in the step length,stride,walking speed,or knee joint flexion angle among the four groups(P>0.05).The extensor peak torque at 180°/s changed significantly in group A1B2 after treatment(P<0.05).Neither the intra-group nor the inter-group comparisons of the four groups revealed significant differences in the other isokinetic muscle strength parameters(P>0.05).The main effect of manipulation showed significant in affecting the WOMAC pain and total scores(P<0.05).The main effect of horse-riding squat exercise showed significant in affecting the WOMAC pain and stiffness scores(P<0.05).Conclusion The four treatment protocols all can improve the symptoms of KOA,for instance,relieving pain and stiffness,and enhancing daily function.Group A2B1 produces the most eminent effect in relieving joint stiffness.The main effects of both manipulation and horse-riding squat exercise are significant in reducing pain.Besides,the main effect of horse-riding squat exercise is significant in relieving joint stiffness.
