囊状掩蔽
凝视
物理医学与康复
周围神经病变
眼球运动
平衡(能力)
固定(群体遗传学)
扫视
听力学
医学
赤脚的
外围设备
心理学
糖尿病
眼科
人口
内科学
环境卫生
精神分析
内分泌学
作者
Sérgio Tosi Rodrigues,Thaís Cristina Delacosta,Fábio Augusto Barbieri,Gabriel Palmeira Paschoalino,Gisele Chiozi Gotardi,José Ângelo Barela,Henrique Luiz Monteiro,José Roberto Bosqueiro,Paula Fávaro Polastri
标识
DOI:10.1016/j.humov.2023.103153
摘要
Diabetic older people tend to present deteriorated performance in balance and locomotion activities, even those without peripheral neuropathy. There is evidence that saccadic eye movements are used to reduce body sway in young and older healthy adults, but it has not been shown that diabetic older people preserve this visuomotor adaptation capacity. Are diabetic older women without peripheral neuropathy capable of improving postural stability during a saccadic gaze task? Seventeen type 2 diabetic older women (68.2 ± 10.7 years old) and seventeen healthy women, age-matched controls (66.0 ± 8.4 years old) voluntarily participated in the study. All participants were instructed to stand upright, barefoot, as stable as possible, for 30 s. Participants maintained their feet parallel to each other, at standard and narrow bases of support, while either fixating on a stationary target (fixation condition) or performing horizontal saccadic eye movements to follow a target (eccentricity of 11° of visual angle), which continuously disappeared and reappeared immediately on the opposite side (saccade 0.5 Hz and saccade 1.1 Hz conditions). Results indicated that the diabetic group clearly had deteriorated postural control, as shown by increased values of mean sway amplitude and mean sway velocity. However, diabetic and control groups were similarly capable of using saccadic eye movements to improve their postural stability, reducing their sway velocity compared to a gaze fixation condition. Diabetes per se (without peripheral neuropathy) amplifies postural sway of older women as compared to their healthy age-matched controls. However, diabetic older women without peripheral neuropathy are capable of improving postural stability during a saccadic gaze task.
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