Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/45280
Title: Effects of age and physical activity on response speed in knee flexor and extensor muscles
Authors: Rodríguez-Ruiz, D. 
García Manso, Juan Manuel 
Rodríguez-Matoso, D.
Sarmiento Montesdeoca, Samuel 
Da Silva-Grigoletto, M.
Pisot, R.
UNESCO Clasification: 241106 Fisiología del ejercicio
Keywords: Tensiomyography (TMG)
Muscular response speed
Physical activity
Elderly
Issue Date: 2013
Publisher: 1813-7253
Journal: European Reviews of Aging and Physical Activity 
Abstract: This study aims to determine the normalized response speed (V rn) in vastus lateralis (VL) and biceps femoris (BF) muscles in different age groups using tensiomyography. Eighty-four male subjects were divided into four age groups: teenage subjects (T); undergraduate students (U), adult subjects (A), and the elderly group (E). Differences in V rn were observed between E and T (p = 0.000), E and U (p = 0.000), and E and A (p = 0.018) for right VL and between E and T (p < 0.000) and U (p = 0.003) for left VL; between T and U (p = 0.010) and A (p = 0.000) for right VL, and A (p = 0.004) for left VL. V rn in the BF displayed different behavior from that of the VL, increasing moderately or stabilizing and declining slightly in E, in right leg (p = 0.020). The data obtained highlighted a decline in V rn for the VL in both legs with increasing age and, declines in BF response speed were observed only in E.
URI: http://hdl.handle.net/10553/45280
ISSN: 1813-7253
DOI: 10.1007/s11556-013-0127-7
Source: European Review of Aging and Physical Activity[ISSN 1813-7253],v. 10, p. 127-132
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