The muscle game: How people like Usain Bolt are able to run so fast
Yes, genetics do play a crucial role but it’s not like ... On the other hand, slow twitch muscles help you run at a slower ...
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Running builds muscle as long as you're challenging yourself — here's how to build muscle and run faster
So, in order to keep strengthening your muscles, you need to continuously challenge yourself. In some cases, if you consistently run the same distance at the same heart rate, Jordan says you can ...