Gervasi Marco, Sisti Davide, Amatori Stefano, Andreazza Marco, Benelli Piero, Sestili Piero, Rocchi Marco Bruno Luigi, Calavalle Anna Rita
Department of Biomolecular Sciences - Division of Exercise and Health Sciences, University of Urbino Carlo Bo, Urbino, Italy.
Eur J Appl Physiol. 2017 Aug;117(8):1739-1746. doi: 10.1007/s00421-017-3668-z. Epub 2017 Jun 24.
To investigate how the viscoelastic characteristics of muscles (non-neural tone, elasticity and stiffness) vary as a function of age and gender in a sample of track and field master athletes. To compare these findings with data on related sedentary subjects in literature.
A total of 390 athletes (aged 35-99) were assessed during the European Master Athletics Indoor Championship 2016. A non-invasive measurement device called MyotonPro was used to measure tone, stiffness, and elasticity in the biceps brachii and rectus femoris muscles at rest. Linear regression analysis was used to assess the correlation between age and the measured parameters. To compare our results with previously reported data, we stratified participants according to gender and age.
Tone was found to not be dependent on age, whereas stiffness was found to be age dependent. Elasticity was found to be both physical activity and age dependent. Tone (only for men), elasticity, and stiffness were lower in master athletes than in sedentary subjects.
Tone, elasticity, and stiffness change with aging; nevertheless, our findings suggest that physical activity can delay the effects of muscular aging, improving fitness in older people.
在一组田径老年运动员样本中，研究肌肉的粘弹性特征（非神经张力、弹性和刚度）如何随年龄和性别变化。并将这些结果与文献中相关久坐不动人群的数据进行比较。
在2016年欧洲老年田径室内锦标赛期间，对390名运动员（年龄在35 - 99岁之间）进行了评估。使用一种名为MyotonPro的非侵入性测量设备，在休息状态下测量肱二头肌和股直肌的张力、刚度和弹性。采用线性回归分析评估年龄与测量参数之间的相关性。为了将我们的结果与先前报道的数据进行比较，我们根据性别和年龄对参与者进行了分层。
发现张力不依赖于年龄，而刚度依赖于年龄。发现弹性既依赖于体力活动又依赖于年龄。老年运动员的张力（仅男性）、弹性和刚度低于久坐不动的人群。
张力、弹性和刚度随年龄变化；然而，我们的研究结果表明，体力活动可以延缓肌肉衰老的影响，改善老年人的健康状况。
