It's a common complaint among busy full-time workers: "I simply have no time to exercise!"

Well, sports medicine experts at MASCO member institution Brigham and Women's Hospital disagree, and offer a solution.

High-Intensity Interval Training, or HIIT, is a form of exercise in which short periods of intense exercise are alternated with less intense recovery periods. 

Dr. Elizabeth Matzkin, Surgical Director of the Women’s Sports Medicine Program at Brigham and Women’s Hospital, describes the benefits of HIIT here. 

Some examples of HIIT: 

• Run at high intensity for 30 seconds and then recover for 30 seconds (1:1 ratio).
• Run at high intensity for one minute and then recover for three minutes (1:3 ratio).
• Bike at high intensity for 45 seconds and then recover for 90 seconds (1:2 ratio).

Almost any combination of intense exercise and recovery you can think of can constitute a HIIT program. So no excuses people! Let's get moving!