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Effect of Exercise On The Contractile Properties of Skeletal Muscles In The Elderly

Dorian Hojnik

Slovenia

Mladen Herc
Alma Mater Europaea - ECM
Slovenia

Theoretical background: Sarcopenia, generally defined as age-related loss of muscle mass and function, is associated with a significant risk of falls. Regular exercise is the only strategy that consistently prevents the development of sarcopenia and improves physical function in older adults.

Methodology: 40 elderly people participated in the research. The aim of the study was to examine the impact of a 15-week exercise program on muscle contractile abilities. Survey data were obtained by tensiomyography and the “get up and go” test. We performed two measurements, one before and one after a 15-week training process.

Results: Statistically significant differences in the time of muscle fiber contraction were found; BB –13.63% (P = 0.000); BF –10.91% (P = 0.004); GM –12.62% (P = 0.003); VL –8.45% (P = 0.003); VM –17.43% (P = 0.001). At the maximum displacement of the abdominal muscle, there is a statistically significant difference only in the BB muscle +10.68% (P = 0.048), while in the other muscles it is not. The correlation between contractile properties and function test shows negligible association and no statistically significant differences.

Conclusions: The 15-week exercise process has a positive effect on the rate of muscle contraction in the elderly, but not on muscle tone, and does not show a characteristic correlation between contractile properties and function test.

 

 


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