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首页> 外文期刊>Gait & posture >Energy expenditure of stroke patients during postural control tasks.
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Energy expenditure of stroke patients during postural control tasks.

机译：姿势控制任务期间中风患者的能量消耗。

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Two common impairments in patients after stroke are loss of balance control and fatigue. We propose that both could be inter-related. The purpose of this study was to investigate the metabolic energy demand for balance control in patients after stroke during upright standing. Ten stroke patients and 12 able-bodied controls performed four 5-min upright standing tasks on a force plate; unperturbed (SU), blindfolded (SUB), on foam surface (SUF) and with feet parallel against each other (SUP). Metabolic energy expenditure, posturography measures and muscle activity (EMG) of lower leg muscles were measured. Patients required on average 125% (33Jkg(-1)s(-1)) more metabolic energy for upright standing under the various conditions than controls. In addition, balance manipulation significantly (p<0.05) affected energy expenditure (21% higher in SUB, 52% in SUF, 40% in SUP compared to SU). Although the increase in energy expenditure was on average twice as high in patients than controls no significant group by condition interaction effect was found. Overall correlations between posturography measures, EMG and energy expenditure (r=0.33-0.60) were significant (p<0.001). We conclude that impaired balance control puts an extra demand on the energy expenditure during motor activities in stroke patients. This should be considered when prescribing interventions aimed at reducing physiological strain.
机译：中风后患者的两个常见障碍是失去平衡控制和疲劳。我们建议两者可以相互关联。这项研究的目的是调查中风后直立站立期间控制平衡的代谢能需求。 10名中风患者和12名健康对照者在测力板上完成了4次5分钟的直立站立任务;在泡沫表面（SUF）上并且脚被彼此平行（SUP）时，保持不打扰（SU），被蒙住眼睛（SUB）。测量了小腿肌肉的代谢能量消耗，姿势描记法和肌肉活动（EMG）。在各种情况下，患者直立站立所需的平均代谢能量比对照组平均多125％（33Jkg（-1）s（-1））。此外，平衡操作显着（p <0.05）影响能量消耗（与SU相比，SUB升高21％，SUF升高52％，SUP升高40％）。尽管患者的能量消耗增加平均是对照组的两倍，但没有发现显着的条件交互作用组。姿势测量，EMG和能量消耗之间的总体相关性（r = 0.33-0.60）显着（p <0.001）。我们得出的结论是，平衡控制受损会增加中风患者运动过程中的能量消耗需求。在规定旨在减轻生理压力的干预措施时应考虑这一点。

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