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Korean J Obes 2012; 21(4): 187-196

Published online December 30, 2012

Copyright © Korean Society for the Study of Obesity.

Strengthening Exercise for Prevention of Sarcopenia during the Aging Process

Nayoung Ahn, Kijin Kim*

Department of Physical Education, Keimyung University

Received: March 31, 2012; Reviewed : July 9, 2012; Accepted: October 9, 2012

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

This study examined the causes and mechanisms of sarcopenia in the aging population and it prescribed exercise programs that would improve muscle functions in elderlies.
Aging is associated with a progressive decline of muscle mass, strength, and quality, an overall condition known as sarcopenia during aging. Sarcopenia is related to the aging process, as in decrease of growth hormone and sex hormone, neuromuscular change, increase of blood inflammation markers, decrease of protein intake, smoking, increase of oxidative stress, increase of fat mass and decrease of physical activity. Results showed that combination of various exercise programs such as resistance training, flexibility, balance and functional exercises could improve muscle strength and muscle quality in elderlies.
Moderate to high intensity exercise for at least twice a week with the use of sand bag weights or dumbbells are recommended for this aging population. In addition, there was a change in posture as a result of improved muscular strength after the participants had performed resistance training together with flexibility and balance exercises.
Improved muscular strength surrounding the ankle, knee and hip areas also enhanced balance and functional movements.
Lastly, there is a need for exercise trainers or coaches to provide motivation and encouragement to these elderlies for the successful implementation of the program.

Keywords: Sarcopenia, Aging, Resistance training, Muscular function

Fig. 1. Developmental factors of sarcopenia in aging.
Fig. 2. Neurons lead to muscle change during aging.
Fig. 3. Potential mechanism of muscle wasting in renal failure.

Effect of prolonged resistance exercise training on muscle fibers



Resistance exercise program for improving muscle strength in the elderlies



Balance exercise



Mobility exercise


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