Nice link with broad explanation about, kinds of musclefibers, energy used, needed training etc. Aimed at endurance training broadly looked upon.
http://magstraining.tripod.com/training.html
How does our body work during training
Re: How does our body work during training
Tons of info here - thanks!
Re: How does our body work during training
I just thumbed through the reading for 15 minutes and found the information very engaging. A definite bookmark. Thanks!