2 Athletes who carry one type of a well-known fitness gene - TopicsExpress



          

2 Athletes who carry one type of a well-known fitness gene might actually push themselves so hard that they tire out their hearts. Thats the finding from a study of individuals who competed in one of the most gruelling races in the world. _____________________ a. Exercise experts have long assumed that heart muscles, unlike those of our legs and arms, dont tire. b. But a few studies of athletes have hinted that the heart also gets worn down by many hours of extreme exercise. c. Trainers and athletes should be aware that their bodies can outstrip their hearts. d. In theory, it might even be possible to specifically train heart muscles.
Posted on: Thu, 17 Jul 2014 18:15:16 +0000

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