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http://dx.doi.org/10.5103/KJSB.2016.26.2.229

Development of Core Strength Training Equipment and Its Effect on the Performance and Stability of the Elderly in Activities of Daily Living  

Koh, Kyung (The Movement Science Center of Research Institute for Sports Science and Sports Industry, Hanyang University)
Park, Yang Sun (The Movement Science Center of Research Institute for Sports Science and Sports Industry, Hanyang University)
Park, Da Won (Department of Physical Education, College of Performing Arts and Sports, Hanyang University)
Hong, Chun Ki (Guemgang University)
Shim, Jae Kun (Department of Kinesiology, University of Maryland)
Publication Information
Korean Journal of Applied Biomechanics / v.26, no.2, 2016 , pp. 229-236 More about this Journal
Abstract
Objective: This study aimed, first, to develop core strength training equipment with elderly-friendly, easy-to-use features and, second, to investigate the effect of core strength training using the equipment on the performance and stability of the elderly in activities of daily living. Method: In this study, we developed training equipment with a stability ball that can be used for performing core strength exercises in the elderly. Twenty-three elderly subjects (age: $77.87{\pm}6.95years$, height: $149.78{\pm}6.95cm$, and weight: $60.57{\pm}7.21kg$) participated in this study. The subjects performed the core strength training exercise with 16 repetitions for 8 weeks (2 repetitions per week). Performance in activities of daily living was assessed by using the Short Physical Performance Battery (SPPB), a test of going up and down 4 stairs, and one-leg static balance test. Stability was quantified as changes in the center of pressure (COP) and C90 area. Results: With the core strength equipment, trunk core strength exercise could be performed by pulling or pushing a rope with 2 hands on the stability ball. During the task, the tension in the rope was manipulated by a motor connected to the rope and the COP of the subject was measured by 4 load cells mounted in the equipment. Our results showed that the SPPB score was significantly higher (p < .05), the time to complete the "going up and down 4 stairs" test was significantly shorter (p < .05), and one-leg static balance statistically improved under an eyes-open condition (p < .05) after as compared with before the core strength training. The changes in the COP in the anteroposterior and mediolateral directions, and C90 area were significantly lower in the posttest (p <. 05) than in the pretest. Conclusion: The core strength training exercise using the equipment developed in the present study improved the performance and stability of the elderly in activities of daily living.
Keywords
Core strength exercise equipment; Development; Older adult; COP; Activities of daily living;
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