Universität zu Köln

Simunic, Bostjan, Pisot, Rado, Rittweger, Joern and Degens, Hans (2018). Age-Related Slowing of Contractile Properties Differs Between Power, Endurance, and Nonathletes: A Tensiomyographic Assessment. J. Gerontol. Ser. A-Biol. Sci. Med. Sci., 73 (12). S. 1602 - 1609. CARY: OXFORD UNIV PRESS INC. ISSN 1758-535X

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Abstract

Although master athletes maintain high levels of physical activity, they also suffer from an age-related decline in skeletal muscle function. There are indications of disproportional age-and physical inactivity-induced muscle wasting between muscles. Tensiomyography is a noninvasive tool that has been used to study the effects of a variety of sports on the contraction time (Tc) in different skeletal muscles. The aim of this cross-sectional study was to assess age-related changes in the Tc of the vastus lateralis, gastrocnemius medialis, and biceps femoris muscles with Tensiomyography in older nonathletes (age = 62.1 +/- 12.7 years; N-MALES = 133; N-FEMALES = 246), and power (age = 56.9 +/- 13.5 years; N-MALES = 100; N-FEMALES = 78) and endurance master athletes (age = 56.5 +/- 14.5 years; N-MALES = 76; N-FEMALES = 73). We found an age-related slowing in all muscles, irrespective of discipline, where endurance master athletes had the longest and power master athletes had the shortest Tc. The longer Tc in endurance master athletes than in nonathletes suggests that regular endurance sport activity aggravates slowing of skeletal muscles during aging.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Simunic, Bostjan UNSPECIFIED UNSPECIFIED UNSPECIFIED Pisot, Rado UNSPECIFIED UNSPECIFIED UNSPECIFIED Rittweger, Joern UNSPECIFIED UNSPECIFIED UNSPECIFIED Degens, Hans UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-162803
DOI:	10.1093/gerona/gly069
Journal or Publication Title:	J. Gerontol. Ser. A-Biol. Sci. Med. Sci.
Volume:	73
Number:	12
Page Range:	S. 1602 - 1609
Date:	2018
Publisher:	OXFORD UNIV PRESS INC
Place of Publication:	CARY
ISSN:	1758-535X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language HUMAN SKELETAL-MUSCLE; VASTUS LATERALIS MUSCLE; FIBER-TYPE; SHORTENING VELOCITY; PHYSICAL-ACTIVITY; MYOSIN ISOFORMS; OLDER-ADULTS; RESISTANCE; EXERCISE; MEN Multiple languages Geriatrics & Gerontology; Gerontology Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/16280