If you have been keeping up with the latest trends in conditioning research then you probably already know that interval training is the most efficient way to train.  Interval training alternates periods of high intensity exercise with periods of rest to produce gains in both aerobic and anaerobic systems.  Forget about those long slow distance runs to improve aerobic fitness!
The Body’s 3 Energy Systems
To briefly summarize, the body has three energy systems, 2 anaerobic, or non-oxidative, and 1 aerobic, that serve to create ATP (adenosine triphosphate).  ATP is utilized by every cell in …

This week’s conditioning workout will push your anaerobic threshold to the max. Endurance is defined as the ability to resist fatigue – how resistant are you?