Muscle spasms like calf cramps can be a painful companion on the path to your fitness goal. Muscle fibers contract unexpectedly and sometimes without warning,...
Fartlek Training Definition: The Swedish term fartlek means speed play. The fartlek method was developed by Swedish track and field athlete Gustaf Holmér in 1930....
When we exercise, our body uses carbohydrates, fat, and acids to propel our movement. Some types of exercise burn fat more effectively. The intensity level...