Aim:The aim of this study was to assess the pattern of voluntary movements in patients with spinal cord injury(SCI)post intensive whole-body training vs.upper body training with brain motor control assessment(BMCA).Me...Aim:The aim of this study was to assess the pattern of voluntary movements in patients with spinal cord injury(SCI)post intensive whole-body training vs.upper body training with brain motor control assessment(BMCA).Methods:Twelve neurologically intact participants and 18 patients with SCI participated in this study as part of a multi-centre randomised controlled trial.All participants received 12 weeks training(three times per week),which comprised trunk,upper and lower limb exercises and locomotor training and functional electrical stimulation-assisted cycling in whole-body training group and an upper body strength and fitness program for upper body training group.Results:Generalised linear model analysis showed significant effect of the main effect of the Task(P<0.001)on the similarity index of voluntary movement patterns but not on the other factors or the interactions between them(P>0.05).Some participants showed significant improvement in muscle strength post 12 weeks training;however,this improvement was not reflected in the pattern of muscle activation which was captured by BMCA.Conclusion:BMCA is a valuable objective assessment tool that could add resolution to the clinical evaluation of patients with SCI post different therapeutic techniques.展开更多
Recently,there have been several studies that have examined the acute effects of aerobic exercise on cognitive function.Importantly,one precise indicator of cognitive function is response time(RT),which has two main c...Recently,there have been several studies that have examined the acute effects of aerobic exercise on cognitive function.Importantly,one precise indicator of cognitive function is response time(RT),which has two main components;premotor time(PMT)and motor time(MT).PMT is the time for perception,decision making and response preparation,while MT is executing the response.Using fractionated response time(FRT)instead of RT provides a more precise estimate of the location of the effect of aerobic exercise on cognitive or motor components of the response.There is emerging evidence that shows an acute bout of exercise may improve FRT.Therefore,the purpose of this systematic review and meta-analysis was to explore the acute effect of aerobic exercise on FRT by considering the effects of various cognitive function tests.Fourteen studies were included investigating FRT during and/or after aerobic exercise.The results indicated that during exercise,PMT increased in simple reaction time and decreased in flanker task;MT decreased in choice reaction time;interestingly,RT decreased when it was assessed by choice reaction time and flanker task,almost similar to PMT and MT.After exercise,PMT decreased specifically in flanker and go/no-go tasks.However,MT and RT did not change significantly.In conclusion,as changes in RT are affected by both PMT and MT,FRT provides a more precise estimate of the locus of the effects of aerobic exercise on response time.展开更多
基金The study was funded by the Transport Accident Commission(Victorian Neurotrauma Initiative),and the University of Melbourne
文摘Aim:The aim of this study was to assess the pattern of voluntary movements in patients with spinal cord injury(SCI)post intensive whole-body training vs.upper body training with brain motor control assessment(BMCA).Methods:Twelve neurologically intact participants and 18 patients with SCI participated in this study as part of a multi-centre randomised controlled trial.All participants received 12 weeks training(three times per week),which comprised trunk,upper and lower limb exercises and locomotor training and functional electrical stimulation-assisted cycling in whole-body training group and an upper body strength and fitness program for upper body training group.Results:Generalised linear model analysis showed significant effect of the main effect of the Task(P<0.001)on the similarity index of voluntary movement patterns but not on the other factors or the interactions between them(P>0.05).Some participants showed significant improvement in muscle strength post 12 weeks training;however,this improvement was not reflected in the pattern of muscle activation which was captured by BMCA.Conclusion:BMCA is a valuable objective assessment tool that could add resolution to the clinical evaluation of patients with SCI post different therapeutic techniques.
文摘Recently,there have been several studies that have examined the acute effects of aerobic exercise on cognitive function.Importantly,one precise indicator of cognitive function is response time(RT),which has two main components;premotor time(PMT)and motor time(MT).PMT is the time for perception,decision making and response preparation,while MT is executing the response.Using fractionated response time(FRT)instead of RT provides a more precise estimate of the location of the effect of aerobic exercise on cognitive or motor components of the response.There is emerging evidence that shows an acute bout of exercise may improve FRT.Therefore,the purpose of this systematic review and meta-analysis was to explore the acute effect of aerobic exercise on FRT by considering the effects of various cognitive function tests.Fourteen studies were included investigating FRT during and/or after aerobic exercise.The results indicated that during exercise,PMT increased in simple reaction time and decreased in flanker task;MT decreased in choice reaction time;interestingly,RT decreased when it was assessed by choice reaction time and flanker task,almost similar to PMT and MT.After exercise,PMT decreased specifically in flanker and go/no-go tasks.However,MT and RT did not change significantly.In conclusion,as changes in RT are affected by both PMT and MT,FRT provides a more precise estimate of the locus of the effects of aerobic exercise on response time.
