We’ve all heard of a HIIT workout aka a high-intensity interval training workout, but have you heard of SIT? It stands for spring interval training and it was originally created for athletes to help improve both anaerobic and aerobic fitness. Fitness expert Samantha Montpetit-Huynh recently stopped by The Marilyn Denis Show to share how this type of training is less stressful on the body, and who could benefit from this type of programming. Watch the video to see her favourite three exercises you can do in six minutes!