1
vote
1answer
80 views

How does muscle confusion work?

I just found out about P90x and it seems they use the muscle confusion theory. But how does it work neurologically and as far as creating muscle mass is concerned? What would a typical routine be? ...
2
votes
6answers
35k views

How many Burpees do I have to do per day to lose a lot of fat fast?

I hate exercise, I find it excruciatingly boring. But I am overweight and need to lose fat fast. The main reason why I find it boring is because it takes too long and I don't like doing a a variety of ...
1
vote
2answers
3k views

How worried should I be about overexertion?

I'm fairly young (about 30), and I ride my bike almost every day (commuting) and try to push myself, so I'm in decent shape. I also like to do longer rides, which involve riding steep roads up a ...
3
votes
3answers
107 views

Applications of fast muscles

It is my understanding that genetics plays a significant role in sprint speed. Fortunately, I have always been a fast sprinter and enjoy sprinting over any kind of long distance running. I presume ...