THE EFFECT OF ECCENTRIC EXERCISE PROGRAM COMBINED MEDICINE BALL ON MUSCLE STRENGTH AND BALANCE IN MIDDLE ADULTHOOD
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Abstract
Purpose
This study aims to examine the effects of an eccentric exercise program combined with a medicine ball on muscle strength and balance in middle adulthood. It also compares muscle strength and balance between those who participated in the eccentric exercise program combined with a medicine ball and aerobic exercise.
Methods
The sample consisted of 43 middle adulthood, both male and female, with a static balance performance of 40 seconds or less while standing on one leg with eyes open. The participants were divided into two groups: a control group (n=22) and an experimental group (n=21), selected using purposive sampling. The control group performed aerobic exercises such as dancing, aerobics, Zumba, and brisk walking, while the experimental group participated in an eccentric exercise program combined with a medicine ball. Both groups exercised for 60 minutes per session, three times per week, for eight weeks.
Results
After the 8-week training program, the experimental group showed significantly greater improvements than the control group in static balance while standing on one leg with eyes closed, dynamic balance during the sit-to-stand and walking tasks (Timed Up and Go Test), hand and forearm muscle strength (measured by hand grip strength), arm curl performance, and leg muscle strength. These improvements were statistically significant at the 0.05 level.
Conclusion
The eccentric exercise program combined with a medicine ball effectively enhances muscle strength in both the upper and lower body. Additionally, it improves static balance and dynamic balance during movement in middle adulthood.
Article Details
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