The Associations between Rapid Strength Development and Muscle Stiffness in Older Population

Nakamura, Masatoshi and Kiyono, Ryosuke and Sato, Shigeru and Yahata, Kaoru and Fukaya, Taizan and Nishishita, Satoru and Konrad, Andreas (2021) The Associations between Rapid Strength Development and Muscle Stiffness in Older Population. Healthcare, 9 (1). p. 80. ISSN 2227-9032

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Abstract

Background: Previous studies suggest that the capacity for rapid force production of ankle plantar flexors is essential for the prevention of falls in the elderly. In healthy young adults, there were significant associations between rate of force development and muscle stiffness measured by shear wave elastography. However, there has been no study investigating the association of rate of force development with shear elastic modulus in older adults. Methods: The muscle strength and shear elastic modulus of the medial gastrocnemius muscle in both legs were measured in 17 elderly men and 10 elderly women (mean ± SD; 70.7 ± 4.1 years; 160.6 ± 8.0 cm; 58.7 ± 9.5 kg). We investigated the rate of force development of plantar flexors and shear elastic modulus of medial gastrocnemius muscle using by shear wave elastography. Results: Our results showed that there were no significant associations between normalized rate of force development and shear elastic modulus of medial gastrocnemius muscle. Conclusion: This suggests that the capacity of rapid force production could be related not to muscle stiffness of the medial gastrocnemius muscle, but to neuromuscular function in older individuals

Item Type: Article
Subjects: Institute Archives > Medical Science
Depositing User: Managing Editor
Date Deposited: 23 Dec 2022 03:54
Last Modified: 21 Feb 2024 03:55
URI: http://eprint.subtopublish.com/id/eprint/338

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