The Effect of Tai Chi Exercise on Postural Time-to-Contact in Manual Fitting Task among Older Adults

Jiahao Pan; Cuixian Liu; Li Li; Shuqi Zhang

doi:10.1016/j.gaitpost.2020.08.124

The Effect of Tai Chi Exercise on Postural Time-to-Contact in Manual Fitting Task among Older Adults

Jiahao Pan, Cuixian Liu, Li Li, Shuqi Zhang

Health Sciences & Kinesiology

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

<p> <h3 id="x-x-sect0015"> Background </h3> <p id="x-x-spar0045"> A fall would impact elderly population’s quality of life, which associate with diminished physical and psychological function, and can even be life-threatening. Tai Chi has been used to improve age-related postural instability in locomotion. However, it does not fully explain the mechanism of a lower risk of falling among the Tai Chi population compared to other healthy older adults. <h3 id="x-x-sect0020"> Research question </h3> <p id="x-x-spar0050"> The maintenance of postural stability is more complicated than minimizing postural movements. Postural time to contact is an important temporal measure of postural stability under fitting tasks, which might further clarify the benefits of long term Tai Chi exercise. <h3 id="x-x-sect0025"> Methods </h3> <p id="x-x-spar0055"> Participants were required to fit a block (90 × 90 mm) through two different openings (130 × 130 mm and 100 × 100 mm) at two different distances (arm’s length or 130 % of arm’s length). Kistler forceplate and Vicon system were used to collect center of pressure and kinematic data, respectively. Postural time to contact was used to assess instantaneous perturbation for postural system. <h3 id="x-x-sect0030"> Results </h3> <p id="x-x-spar0060"> Tai Chi group exhibited significant longer postural time to contact in quiet standing and shorter postural time to contact in fitting tasks, expecting for close-small condition, compared to the brisk walking and sedentary groups (p < .05). In addition, both large and small opening condition, Tai Chi group showed a shorter postural time to contact than brisk walking and sedentary groups (p < .0001). <h3 id="x-x-sect0035"> Significance </h3> <p id="x-x-spar0065"> Long term Tai Chi exercise would promote the regulation of posture and decrease the postural constrain to increase the overall stability when performing fitting tasks. Therefore, Tai Chi exercise can be considered as a feasible method to enhance postural control and stability in older adult. </p> </p> </p> </p> </p></p>

Original language	American English
Journal	Gait & Posture
Volume	82
DOIs	https://doi.org/10.1016/j.gaitpost.2020.08.124
State	Published - Aug 25 2020

Keywords

Fitting task
Postural stability
Tai Chi
Time to contact

DC Disciplines

Kinesiology
Medicine and Health Sciences

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https://doi.org/10.1016/j.gaitpost.2020.08.124

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@article{89af96c190b844e89926ae068fbb0e7e,

title = "The Effect of Tai Chi Exercise on Postural Time-to-Contact in Manual Fitting Task among Older Adults",

abstract = " Background A fall would impact elderly population’s quality of life, which associate with diminished physical and psychological function, and can even be life-threatening. Tai Chi has been used to improve age-related postural instability in locomotion. However, it does not fully explain the mechanism of a lower risk of falling among the Tai Chi population compared to other healthy older adults. Research question The maintenance of postural stability is more complicated than minimizing postural movements. Postural time to contact is an important temporal measure of postural stability under fitting tasks, which might further clarify the benefits of long term Tai Chi exercise. Methods Participants were required to fit a block (90 × 90 mm) through two different openings (130 × 130 mm and 100 × 100 mm) at two different distances (arm’s length or 130 % of arm’s length). Kistler forceplate and Vicon system were used to collect center of pressure and kinematic data, respectively. Postural time to contact was used to assess instantaneous perturbation for postural system. Results Tai Chi group exhibited significant longer postural time to contact in quiet standing and shorter postural time to contact in fitting tasks, expecting for close-small condition, compared to the brisk walking and sedentary groups (p < .05). In addition, both large and small opening condition, Tai Chi group showed a shorter postural time to contact than brisk walking and sedentary groups (p < .0001). Significance Long term Tai Chi exercise would promote the regulation of posture and decrease the postural constrain to increase the overall stability when performing fitting tasks. Therefore, Tai Chi exercise can be considered as a feasible method to enhance postural control and stability in older adult. ",

keywords = "Fitting task, Postural stability, Tai Chi, Time to contact",

author = "Jiahao Pan and Cuixian Liu and Li Li and Shuqi Zhang",

year = "2020",

month = aug,

day = "25",

doi = "10.1016/j.gaitpost.2020.08.124",

language = "American English",

volume = "82",

journal = "Gait & Posture",

issn = "1879-2219",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - The Effect of Tai Chi Exercise on Postural Time-to-Contact in Manual Fitting Task among Older Adults

AU - Pan, Jiahao

AU - Liu, Cuixian

AU - Li, Li

AU - Zhang, Shuqi

PY - 2020/8/25

Y1 - 2020/8/25

N2 - Background A fall would impact elderly population’s quality of life, which associate with diminished physical and psychological function, and can even be life-threatening. Tai Chi has been used to improve age-related postural instability in locomotion. However, it does not fully explain the mechanism of a lower risk of falling among the Tai Chi population compared to other healthy older adults. Research question The maintenance of postural stability is more complicated than minimizing postural movements. Postural time to contact is an important temporal measure of postural stability under fitting tasks, which might further clarify the benefits of long term Tai Chi exercise. Methods Participants were required to fit a block (90 × 90 mm) through two different openings (130 × 130 mm and 100 × 100 mm) at two different distances (arm’s length or 130 % of arm’s length). Kistler forceplate and Vicon system were used to collect center of pressure and kinematic data, respectively. Postural time to contact was used to assess instantaneous perturbation for postural system. Results Tai Chi group exhibited significant longer postural time to contact in quiet standing and shorter postural time to contact in fitting tasks, expecting for close-small condition, compared to the brisk walking and sedentary groups (p < .05). In addition, both large and small opening condition, Tai Chi group showed a shorter postural time to contact than brisk walking and sedentary groups (p < .0001). Significance Long term Tai Chi exercise would promote the regulation of posture and decrease the postural constrain to increase the overall stability when performing fitting tasks. Therefore, Tai Chi exercise can be considered as a feasible method to enhance postural control and stability in older adult.

AB - Background A fall would impact elderly population’s quality of life, which associate with diminished physical and psychological function, and can even be life-threatening. Tai Chi has been used to improve age-related postural instability in locomotion. However, it does not fully explain the mechanism of a lower risk of falling among the Tai Chi population compared to other healthy older adults. Research question The maintenance of postural stability is more complicated than minimizing postural movements. Postural time to contact is an important temporal measure of postural stability under fitting tasks, which might further clarify the benefits of long term Tai Chi exercise. Methods Participants were required to fit a block (90 × 90 mm) through two different openings (130 × 130 mm and 100 × 100 mm) at two different distances (arm’s length or 130 % of arm’s length). Kistler forceplate and Vicon system were used to collect center of pressure and kinematic data, respectively. Postural time to contact was used to assess instantaneous perturbation for postural system. Results Tai Chi group exhibited significant longer postural time to contact in quiet standing and shorter postural time to contact in fitting tasks, expecting for close-small condition, compared to the brisk walking and sedentary groups (p < .05). In addition, both large and small opening condition, Tai Chi group showed a shorter postural time to contact than brisk walking and sedentary groups (p < .0001). Significance Long term Tai Chi exercise would promote the regulation of posture and decrease the postural constrain to increase the overall stability when performing fitting tasks. Therefore, Tai Chi exercise can be considered as a feasible method to enhance postural control and stability in older adult.

KW - Fitting task

KW - Postural stability

KW - Tai Chi

KW - Time to contact

UR - https://digitalcommons.georgiasouthern.edu/health-kinesiology-facpubs/169

UR - https://doi.org/10.1016/j.gaitpost.2020.08.124

U2 - 10.1016/j.gaitpost.2020.08.124

DO - 10.1016/j.gaitpost.2020.08.124

M3 - Article

SN - 1879-2219

VL - 82

JO - Gait & Posture

JF - Gait & Posture

ER -

The Effect of Tai Chi Exercise on Postural Time-to-Contact in Manual Fitting Task among Older Adults

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