12-Week Exercise Training of Knee Joint and Squat Movement Improves Gait Ability in Older Women

Myungsoo Choi, Nayoung Ahn, Jusik Park and Kijin Kim
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Myungsoo Choi: Department of Physical Education, College of Physical Education, Keimyung Univesity, 1095 Dalgubeul-daero, Dalseo-gu, Daegu 42601, Korea
Nayoung Ahn: Department of Physical Education, College of Physical Education, Keimyung Univesity, 1095 Dalgubeul-daero, Dalseo-gu, Daegu 42601, Korea
Jusik Park: Department of Physical Education, College of Physical Education, Keimyung Univesity, 1095 Dalgubeul-daero, Dalseo-gu, Daegu 42601, Korea
Kijin Kim: Department of Physical Education, College of Physical Education, Keimyung Univesity, 1095 Dalgubeul-daero, Dalseo-gu, Daegu 42601, Korea

IJERPH, 2021, vol. 18, issue 4, 1-13

Abstract: This study analyzed the effects of an exercise training program consisting of a knee joint complex exercise device (leg-link system) with digitally controlled active motion function and squat movement on physical fitness and gait ability of elderly women aged 70 or above. Fifty four (54) elderly women aged 70 or above were divided into three groups as control group ( n = 18), aerobic training group ( n = 18), and combined training group with resistance and aerobic exercise ( n = 18). Health-related physical fitness, gait ability-related physical fitness, and the temporal and spatial parameters of gait ability were compared. The health-related physical fitness after the 12-week training was not significantly altered in control group, whereas combined training group showed significant increase in all factors ( p < 0.05) and aerobic training group showed significant increase ( p < 0.05) only in the physical efficiency index. The gait ability-related physical fitness and all items of the temporal and spatial parameters of gait were found to have significantly increased ( p < 0.05) in combined training group after the 12-week exercise training; however, in aerobic training group, only the factors related to muscular endurance and balance showed significant increase ( p < 0.05). This study suggested that the exercise training consisting of knee joint complex exercise with digitally controlled active motion function and squat exercise for strengthening lower extremities and core muscles had positive effects on enhancing the ambulatory competence in elderly women.

Keywords: gait; exercise; aging; physical fitness; fall (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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