Journal of Textile Research ›› 2021, Vol. 42 ›› Issue (08): 144-148.doi: 10.13475/j.fzxb.20201004505

• Apparel Engineering • Previous Articles     Next Articles

Application of age simulation suit for research on gait stability

TIAN Miao1,2, LEI Ye1, WANG Yunyi1,2, LI Jun1,2(), ZHANG Xianghui1,2   

  1. 1. College of Fashion and Design, Donghua University, Shanghai 200051, China
    2. Key Laboratory of Clothing Design and Technology, Ministry of Education, Donghua University, Shanghai 200051, China
  • Received:2020-10-22 Revised:2021-04-09 Online:2021-08-15 Published:2021-08-24
  • Contact: LI Jun E-mail:lijun@dhu.edu.cn

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Abstract:

The age simulation suit is a common device for medical staff and designers to foster students' ability of empathy for old adults in teaching. To analyze quantitatively its simulation effects of balance ability for old adults in the studies on gait stability, fourteen younger and seven older females were recruited. A plantar pressure and gait analysis system was applied to obtain the posture balance and gait data of younger adults, younger adults with the age simulation suit and older adults. The paired sample T-test and the independent sample T-test were carried out to analyze the balance behavior of younger participants with and without the age simulation suit and older participants. Results indicate that the age simulation suit is able to simulate the decline in human motion and perception system, which reduce the postural balance and gait stability of the human body. Younger adults with the age simulation suit can simulate the postural balance performance, and reflect the balance behavior of older adults during walking.

Key words: age simulation suit, gait stability, postural balance, biomechanics, older adult

CLC Number: 

  • TS941.73

Fig.1

Age simulation suit"

Fig.2

Principle of function realization for age simulation equipment"

Fig.3

Participants. (a) Younger adult; (b) Younger adult with age simulation suit; (c) Older adult"

Tab.1

Posture balance test"

姿势
编号		 姿势名称 测试姿势 起主要作用的
平衡系统
① 睁眼
双足站立		 受试者双脚站立,内侧平行并相距30 cm,双手叉腰,双眼平视前方,持续45 s 感知系统
② 闭眼
双足站立		 受试者姿势同①,闭眼,持续45 s 感知系统
(除视觉)
③ 睁眼
单足站立		 受试者右脚站立,左脚置于测力台上方约20 cm,双手叉腰,双眼平视前方,持续45 s 运动系统
④ 闭眼
单足站立		 受试者姿势同③,闭眼,持续45 s 运动系统
(除视觉)

Fig.4

Standing duration"

Tab.2

COP parameters with eyes open and two feet standing"

受试者 95%置信椭
圆区域/mm2		 COP路径长
度/mm		 COP平均速度/
(mm·s-1)
年轻人 167 288 10
穿着模拟服年轻人 223 463 16
老年人 228 376 12
配对T检验(P) 0.069 0.070 0.068
独立样本T检验(P) 0.935 0.446 0.425

Tab.3

COP parameters with eyes close and two feet standing"

受试者 95%置信椭
圆区域/mm2		 COP路径长
度/mm		 COP平均速度/
(mm·s-1)
年轻人 239 377 13
穿着模拟服年轻人 384 346 12
老年人 205 407 14
配对T检验(P) 0.035 0.720 0.720
独立样本T检验(P) 0.052 0.460 0.451

Tab.4

Gait spatiotemporal parameters"

受试者 步幅/
cm		 步宽/
cm		 足角/
(°)		 单步时
间/s		 步频/
min		 双支撑
相/%
年轻人 104 10 8.14 1.03 117 24.9
穿着模拟服年轻人 108 12 9.39 1.07 113 23.0
老年人 102 8.19 11.72 0.88 137 27.2
配对T检验(P) 0.496 <0.001 0.155 0.002 0.005 <0.001
独立样本T检验(P) <0.001 <0.001 0.207 <0.001 <0.001 0.003
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