New York–based trainer Noam Tamir, CSCS, owner and founder of TS Fitness NYC, created this HIIT workout as part of our 5 Minutes of Movement Challenge to keep you active all month long. If you're ...
Another study led by the University of Macau found that participants who performed 20-minute HIIT workouts 4 days a week for 5 weeks improved their oxygen consumption by 9%. Why is a HIIT workout ...