![sprinter vs. marathoner - what too much cardio does to the body (thin, frail, no muscle) #fitness #sprinting #marath… | Hiit training, Female sprinter, Muscle women sprinter vs. marathoner - what too much cardio does to the body (thin, frail, no muscle) #fitness #sprinting #marath… | Hiit training, Female sprinter, Muscle women](https://i.pinimg.com/originals/70/fb/3b/70fb3bdcaa2e91e910e61f5505c972b4.png)
sprinter vs. marathoner - what too much cardio does to the body (thin, frail, no muscle) #fitness #sprinting #marath… | Hiit training, Female sprinter, Muscle women
![Ryan | movestrength on Twitter: "Common side effects of marathon running and prolonged endurance activity • Physical exhaustion • Low testosterone levels • Cortisol addiction • Kidney damage • Inflammation Marathon Runner Ryan | movestrength on Twitter: "Common side effects of marathon running and prolonged endurance activity • Physical exhaustion • Low testosterone levels • Cortisol addiction • Kidney damage • Inflammation Marathon Runner](https://pbs.twimg.com/media/Et4rKRmWgAAp-H5.jpg)
Ryan | movestrength on Twitter: "Common side effects of marathon running and prolonged endurance activity • Physical exhaustion • Low testosterone levels • Cortisol addiction • Kidney damage • Inflammation Marathon Runner
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