Trunk instability is one of main problems in survivors following stroke. We investigated the effects of
weight-shift training (WST) on an unstable surface in sitting position on trunk control, proprioception, and
balance in individuals with chronic hemiparetic stroke. Eighteen participants with chronic hemiparetic
stroke were recruited and were allocated to either WST or control group. The WST group received a
weight-shift training program for 30 min and then received a conventional exercise program for 30 min,
while the control group received conventional exercise program for 60 min, five times a week for four weeks
for both groups. In this randomized control study, we used three outcome measures: trunk reposition error
(TRE), Trunk Impairment Scale (TIS), and Timed Up and Go (TUG) test. TRE was measured by each
participant’s reposition error to the target angle during his/her active trunk movement. TIS and TUG were
examined for trunk control abilities and dynamic balance abilities, respectively. After training, TRE showed
significantly greater improvement in the WST group (mean change, 1.67 ± 1.45˚) than the control group
(mean change, 0.08 ± 1.05˚). The TIS score was significantly higher in the WST group (mean change, 2.33
± 1.50) than the control group (mean change, 0.13 ± 0.83). The TUG test also showed a significant
improvement in the WST group (mean change, 5.03 ± 1.88 sec) than the control group (mean change, 2.59
± 1.86 sec). Our findings indicate that weight-shift training is beneficial for improving trunk control and
proprioception in patients with chronic hemiparetic stroke.
Trunk instability is one of main problems in survivors following stroke. We investigated the effects ofweight-shift training (WST) on an unstable surface in sitting position on trunk control, proprioception, andbalance in individuals with chronic hemiparetic stroke. Eighteen participants with chronic hemipareticstroke were recruited and were allocated to either WST or control group. The WST group received aweight-shift training program for 30 min and then received a conventional exercise program for 30 min,while the control group received conventional exercise program for 60 min, five times a week for four weeksfor both groups. In this randomized control study, we used three outcome measures: trunk reposition error(TRE), Trunk Impairment Scale (TIS), and Timed Up and Go (TUG) test. TRE was measured by eachparticipant’s reposition error to the target angle during his/her active trunk movement. TIS and TUG wereexamined for trunk control abilities and dynamic balance abilities, respectively. After training, TRE showedsignificantly greater improvement in the WST group (mean change, 1.67 ± 1.45˚) than the control group(mean change, 0.08 ± 1.05˚). The TIS score was significantly higher in the WST group (mean change, 2.33± 1.50) than the control group (mean change, 0.13 ± 0.83). The TUG test also showed a significantimprovement in the WST group (mean change, 5.03 ± 1.88 sec) than the control group (mean change, 2.59± 1.86 sec). Our findings indicate that weight-shift training is beneficial for improving trunk control andproprioception in patients with chronic hemiparetic stroke.
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