I'm sure you've heard of HIIT or High Intensity Interval Training by now. SIT is simply short bursts (< 30 sec) of high-intensity sprints (8-9 out of 10 effort) followed by periods of rest or very-low-intensity exercise. = = = = = = = Please consult with a healthcare provider before adding SIT to your program. Seriously. = = = = = = = How to Include SIT in Your Program * Ease into it Begin with one SIT session per week and gradually increase in duration and frequency as you become more comfortable. * Warm-Up is CRUCIAL Always start with a 5-10 minute warm-up to prepare your body. I ALWAYS (yes, in CAPS) recommend doing SIT on an exercise bike. Virtually everything about a stationary bike is more conducive to SIT than running, swimming, elliptical-ling(?) or any other modality. * Here's an example for you ... Step One: Talk to your doctor! After warming up, sprint for 20 seconds at your maximum effort (or reasonably close to it), followed by 2-3 minutes of