Individuals with hemiplegia suffer from impaired arm movements that appear as a marked change in arm stiffness. A quantitative measure of arm stiffness would characterize rehabilitation therapy effectively, while litt...Individuals with hemiplegia suffer from impaired arm movements that appear as a marked change in arm stiffness. A quantitative measure of arm stiffness would characterize rehabilitation therapy effectively, while little mechanism is designed to implement the function. A symmetrical five-bar linkage consisting of two revolute joints and three prismatic joints is presented. Inverse kinematics and forward kinematics are obtained first. Then inverse singularities and direct singularities of the mechanism are gained. The global stiffness index is defined based on the results of kinematics analysis. Finally, optimal dimensional synthesis of the mechanism in terms of maximum stiffness is conducted by genetic algorithms. The calculation results show that with the length of both the two linkage a=830 mm, the interacting angle of the two guides 2δ=4.48 radian, and the maximum range of displacement of the two carriers dmax=940 mm, the mechanism achieves highest rigidity and its workspace is singularity-free, which covers the human left and right arm range of motion. The proposed novel mechanism featuring high rigidity and a singularity-free workspace can provide rehabilitation training, also solve the problem of quantitative measure of arm stiffness.展开更多
Purpose Neuromotor exercise,which stimulates motor fitness components(balance,agility,coordination),has been less investigated than other forms of exercise such as resistance or aerobic training to counteract the age-...Purpose Neuromotor exercise,which stimulates motor fitness components(balance,agility,coordination),has been less investigated than other forms of exercise such as resistance or aerobic training to counteract the age-related impairment in mobility.The aim of the study was to verify whether neuromotor exercise was as effective as resistance training in improving mobility and related fitness components in healthy older women.Methods Thirty-five women(mean age 69.6±3.2 years)were assigned to a neuromotor(NMT)or a progressive resistance training(PRT)group,both exercising 1 h,twice weekly for 12 weeks.The NMT group exercised static and dynamic balance,agility,speed,reaction time and coordination,while the PRT performed prevalently machine based,strengthening exercises.All participants were tested before and after the intervention for walking speed under different conditions,chair rise time,cardiorespiratory fitness,muscular strength and power.A 2×2 MANOVA and subsequent ANOVAs were performed to ascertain the effects of the two trainings.Results Similar improvements were observed for mobility(P=0.000, η^(2)_(p)=0.73)and for fitness(P=0.000, η^(2)_(p)=0.96)in both groups.Conclusions The present results suggest that in healthy older women improvements in mobility may be obtained through both strength and neuromotor exercise.The present results contribute to further our knowledge on the effects of neuromotor exercise for older people and add relevant information on exercise interventions targeting mobility in the elderly.展开更多
A study shows that approaches based on Long-Short Term Memory decoders could provide better algorithms for neuroprostheses that employ Brain-Machine Interfaces to restore movement in patients with severe neuromotor di...A study shows that approaches based on Long-Short Term Memory decoders could provide better algorithms for neuroprostheses that employ Brain-Machine Interfaces to restore movement in patients with severe neuromotor disabilities.展开更多
目的 探究袋鼠式护理联合早期精细化护理对早产儿运动表现测试(Test of Infant Motor Performance,TIMP)评分的影响。方法 随机选取2023年10月—2024年6月浙江省人民医院毕节医院收治的70例早产儿为研究对象,依据不同护理方法分为对照组...目的 探究袋鼠式护理联合早期精细化护理对早产儿运动表现测试(Test of Infant Motor Performance,TIMP)评分的影响。方法 随机选取2023年10月—2024年6月浙江省人民医院毕节医院收治的70例早产儿为研究对象,依据不同护理方法分为对照组(35例),观察组(35例),对照组予以早产儿常规护理,观察组采用袋鼠式护理联合早期精细化护理,比较两组患儿体格生长发育指标、神经运动发育状况、睡眠质量、家属护理满意度。结果 护理后,观察组体重、头围、身长增长均优于对照组,TIMP评分高于对照组,睡眠时间长于对照组,觉醒次数、时间少于对照组,差异均有统计学意义(P均<0.05)。观察组家属护理满意度为94.29%(33/35),高于对照组的77.14%(27/35),差异有统计学意义(χ^(2)=4.200,P=0.040)。结论 袋鼠式护理联合早期精细化护理可促进早产儿体格生长发育与神经运动发育,改善睡眠质量,家属护理满意度较高。展开更多
【目的】探讨早产小于胎龄儿(small for gestational age,SGA)生长发育特征,为今后对早产儿进行有效干预提供依据。【方法】将胎龄在206-258 d的早产儿按体重进行胎龄评估,分为SGA组(出生体重小于同胎龄出生体重P10)45例,适于胎龄儿(app...【目的】探讨早产小于胎龄儿(small for gestational age,SGA)生长发育特征,为今后对早产儿进行有效干预提供依据。【方法】将胎龄在206-258 d的早产儿按体重进行胎龄评估,分为SGA组(出生体重小于同胎龄出生体重P10)45例,适于胎龄儿(appropriate for gestational age,AGA)组76例,对照组200例(正常足月儿)。三组均于出生后定期接受体格发育监测和52项神经运动检查,并进行相应干预指导。在1-2岁间做智力(CDCC)检查。【结果】早产SGA儿体重在3-6月时与其他两组差异有显著性,9-12个月与早产AGA儿体重差异缩小,但仍与足月儿有差异。早产SGA儿52项神经运动检查部分指标异常率明显高于其他两组。早产儿智能发育指数(mental development index,MDI)与足月儿差异有显著性,早产儿两组之间差异不大。早产儿贫血发生率高。【结论】早产SGA儿1岁以内的体格生长发育具有快速追赶特征,6个月后仍能保持较快的追赶速度。但1岁以内体重落后危险仍较大,神经运动发育也落后。早产儿2岁以内MDI较低,应该针对性地进行干预指导。展开更多
基金Supported by National Natural Science Foundation of China(Grant No U1304510)Development Foundation for Outstanding Young Teachers of Zhengzhou University,China(Grant No.1421321076)
文摘Individuals with hemiplegia suffer from impaired arm movements that appear as a marked change in arm stiffness. A quantitative measure of arm stiffness would characterize rehabilitation therapy effectively, while little mechanism is designed to implement the function. A symmetrical five-bar linkage consisting of two revolute joints and three prismatic joints is presented. Inverse kinematics and forward kinematics are obtained first. Then inverse singularities and direct singularities of the mechanism are gained. The global stiffness index is defined based on the results of kinematics analysis. Finally, optimal dimensional synthesis of the mechanism in terms of maximum stiffness is conducted by genetic algorithms. The calculation results show that with the length of both the two linkage a=830 mm, the interacting angle of the two guides 2δ=4.48 radian, and the maximum range of displacement of the two carriers dmax=940 mm, the mechanism achieves highest rigidity and its workspace is singularity-free, which covers the human left and right arm range of motion. The proposed novel mechanism featuring high rigidity and a singularity-free workspace can provide rehabilitation training, also solve the problem of quantitative measure of arm stiffness.
文摘Purpose Neuromotor exercise,which stimulates motor fitness components(balance,agility,coordination),has been less investigated than other forms of exercise such as resistance or aerobic training to counteract the age-related impairment in mobility.The aim of the study was to verify whether neuromotor exercise was as effective as resistance training in improving mobility and related fitness components in healthy older women.Methods Thirty-five women(mean age 69.6±3.2 years)were assigned to a neuromotor(NMT)or a progressive resistance training(PRT)group,both exercising 1 h,twice weekly for 12 weeks.The NMT group exercised static and dynamic balance,agility,speed,reaction time and coordination,while the PRT performed prevalently machine based,strengthening exercises.All participants were tested before and after the intervention for walking speed under different conditions,chair rise time,cardiorespiratory fitness,muscular strength and power.A 2×2 MANOVA and subsequent ANOVAs were performed to ascertain the effects of the two trainings.Results Similar improvements were observed for mobility(P=0.000, η^(2)_(p)=0.73)and for fitness(P=0.000, η^(2)_(p)=0.96)in both groups.Conclusions The present results suggest that in healthy older women improvements in mobility may be obtained through both strength and neuromotor exercise.The present results contribute to further our knowledge on the effects of neuromotor exercise for older people and add relevant information on exercise interventions targeting mobility in the elderly.
文摘A study shows that approaches based on Long-Short Term Memory decoders could provide better algorithms for neuroprostheses that employ Brain-Machine Interfaces to restore movement in patients with severe neuromotor disabilities.
文摘目的 探究袋鼠式护理联合早期精细化护理对早产儿运动表现测试(Test of Infant Motor Performance,TIMP)评分的影响。方法 随机选取2023年10月—2024年6月浙江省人民医院毕节医院收治的70例早产儿为研究对象,依据不同护理方法分为对照组(35例),观察组(35例),对照组予以早产儿常规护理,观察组采用袋鼠式护理联合早期精细化护理,比较两组患儿体格生长发育指标、神经运动发育状况、睡眠质量、家属护理满意度。结果 护理后,观察组体重、头围、身长增长均优于对照组,TIMP评分高于对照组,睡眠时间长于对照组,觉醒次数、时间少于对照组,差异均有统计学意义(P均<0.05)。观察组家属护理满意度为94.29%(33/35),高于对照组的77.14%(27/35),差异有统计学意义(χ^(2)=4.200,P=0.040)。结论 袋鼠式护理联合早期精细化护理可促进早产儿体格生长发育与神经运动发育,改善睡眠质量,家属护理满意度较高。
文摘【目的】探讨早产小于胎龄儿(small for gestational age,SGA)生长发育特征,为今后对早产儿进行有效干预提供依据。【方法】将胎龄在206-258 d的早产儿按体重进行胎龄评估,分为SGA组(出生体重小于同胎龄出生体重P10)45例,适于胎龄儿(appropriate for gestational age,AGA)组76例,对照组200例(正常足月儿)。三组均于出生后定期接受体格发育监测和52项神经运动检查,并进行相应干预指导。在1-2岁间做智力(CDCC)检查。【结果】早产SGA儿体重在3-6月时与其他两组差异有显著性,9-12个月与早产AGA儿体重差异缩小,但仍与足月儿有差异。早产SGA儿52项神经运动检查部分指标异常率明显高于其他两组。早产儿智能发育指数(mental development index,MDI)与足月儿差异有显著性,早产儿两组之间差异不大。早产儿贫血发生率高。【结论】早产SGA儿1岁以内的体格生长发育具有快速追赶特征,6个月后仍能保持较快的追赶速度。但1岁以内体重落后危险仍较大,神经运动发育也落后。早产儿2岁以内MDI较低,应该针对性地进行干预指导。
