Effects of Smovey-based versus conventional unloaded multicomponent exercise on functional fitness, handgrip strength, and task-related upper-extremity muscle activity in older women
5 affiliations
- 1Department of Physiology, College of Medicine, Kyung Hee University, Seoul, Korea
- 2Division of Global Sport Studies, College of Culture and Sports, Korea University, Sejong, Korea
- 3Department of Neurosurgery, Rutgers Robert Wood Johnson Medical School, The State University of New Jersey, Piscataway, NJ, USA
- 4Department of Emergency Technology, College of Health Science, Gachon University, Incheon, Korea
- 5Department of Sports Health Care, Gyeongsang National University, Jinju, Korea
Abstract
This experiment was conducted to compare the effects of a 12-week Smovey-based exercise program and a conventional unloaded multi-component exercise program on functional fitness, handgrip strength, and task-related upper-extremity muscle activity in older women. In this trial, 46 community-dwelling women aged 65 years or older were allocated to a Smovey-based multicomponent exercise group (SMG) or a conventional unloaded multicomponent exercise group (CG). One CG participant withdrew (final n=45: SMG, 23; CG, 22). Both groups completed supervised 60-min sessions three times weekly for 12 weeks with identical movement patterns, volume, and perceived-exertion-based progression; only the SMG held Smovey rings. Five senior fitness test items, dominant-hand grip strength, and surface electro-myographic activity of six upper-extremity muscles during a standardized fixed-load shoulder task, normalized to maximal voluntary contraction (%MVC), were assessed before and after the intervention and analyzed using 2×2 mixed-design analyses of variance. Significant time effects were observed for all functional fitness outcomes and handgrip strength. Group-by-time interactions were significant for the 30-sec arm curl and handgrip strength, but not for the chair stand, 2-min step, back scratch, or 8-foot up-and-go. The %MVC increased in both groups for all six muscles, whereas interactions were significant only for the biceps brachii, triceps brachii, flexor carpi radialis, and brachioradialis, not for the anterior or middle deltoid. Both programs improved functional fitness. The Smovey-based program produced greater gains in armcurl performance and handgrip strength, while differential changes in task-related muscle activity were confined to the elbow and forearm muscles rather than the shoulder muscles.
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BibTeX
@article{park2026effects,
title = {{Effects of Smovey-based versus conventional unloaded multicomponent exercise on functional fitness, handgrip strength, and task-related upper-extremity muscle activity in older women}},
author = {Sang-Seo Park and Si-Hyeon Park and Sang-Hoon Kim and Bo-Kyun Kim and Hyun-Ji Kim and Tae-Woon Kim},
journal = {Journal of Exercise Rehabilitation},
year = {2026},
month = oct,
doi = {10.12965/jer.2653112.556},
url = {https://doi.org/10.12965/jer.2653112.556},
note = {CC BY-NC 4.0},
}
RIS
TY - JOUR
TI - Effects of Smovey-based versus conventional unloaded multicomponent exercise on functional fitness, handgrip strength, and task-related upper-extremity muscle activity in older women
AU - Sang-Seo Park
AU - Si-Hyeon Park
AU - Sang-Hoon Kim
AU - Bo-Kyun Kim
AU - Hyun-Ji Kim
AU - Tae-Woon Kim
PY - 2026
DA - 2026/10/27
JO - Journal of Exercise Rehabilitation
DO - 10.12965/jer.2653112.556
UR - https://doi.org/10.12965/jer.2653112.556
AB - This experiment was conducted to compare the effects of a 12-week Smovey-based exercise program and a conventional unloaded multi-component exercise program on functional fitness, handgrip strength, and task-related upper-extremity muscle activity in older women. In this trial, 46 community-dwelling women aged 65 years or older were allocated to a Smovey-based multicomponent exercise group (SMG) or a conventional unloaded multicomponent exercise group (CG). One CG participant withdrew (final n=45: SMG, 23; CG, 22). Both groups completed supervised 60-min sessions three times weekly for 12 weeks with identical movement patterns, volume, and perceived-exertion-based progression; only the SMG held Smovey rings. Five senior fitness test items, dominant-hand grip strength, and surface electro-myographic activity of six upper-extremity muscles during a standardized fixed-load shoulder task, normalized to maximal voluntary contraction (%MVC), were assessed before and after the intervention and analyzed using 2×2 mixed-design analyses of variance. Significant time effects were observed for all functional fitness outcomes and handgrip strength. Group-by-time interactions were significant for the 30-sec arm curl and handgrip strength, but not for the chair stand, 2-min step, back scratch, or 8-foot up-and-go. The %MVC increased in both groups for all six muscles, whereas interactions were significant only for the biceps brachii, triceps brachii, flexor carpi radialis, and brachioradialis, not for the anterior or middle deltoid. Both programs improved functional fitness. The Smovey-based program produced greater gains in armcurl performance and handgrip strength, while differential changes in task-related muscle activity were confined to the elbow and forearm muscles rather than the shoulder muscles.
SN - 2288-176X
SN - 2288-1778
ER -