Michael Rosenblat is a Canadian researcher working towards his PhD. In this interview we discuss one of his main research papers: a meta-analysis and systematic review all about interval training.   IN THIS EPISODE YOU'LL LEARN ABOUT: -Long, medium, and short High-Intensity Interval Training (HIIT) compared with Sprint Interval Training (SIT)  -The scientific evidence available for trying to find the "optimal" type of interval training -Why Long HIIT may have certain advantages over other types of HIIT as well as SIT -Should athletes try to optimise (find the one best workout) or mix things up to get the best of all worlds?    SHOWNOTES: https://scientifictriathlon.com/tts243/   SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast   SPONSORS: Precision Hydration - One-size doesn't fit all when it comes to hydration. Take Precision Hydration's FREE sweat test and learn how you should hydrate. Use the discount code THATTRIATHLONSHOW15 to get 15% off your order OR use the code THATTRIATHLONSHOW and get your first box for free.   ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Visit roka.com/tts for 20% off your order.   LINKS AND RESOURCES: Evidence-Based Coaching - Michael's website  Effect of High-Intensity Interval Training Versus Sprint Interval Training on Time-Trial Performance: A Systematic Review and Meta-Analysis Interval Training – Science and Application part 1 with Paul Laursen | EP#128 Interval Training – Science and Application part 2 with Paul Laursen | EP#129 Interval Training – Science and Application part 3 with prof. Paul Laursen | EP#163 Sprint Interval Training with Jerome Koral | EP#151 Designing interval training: 10 things you have to know | EP#139 Designing interval training part 2: 10 MORE things you have to know | EP#146 RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing: www.scientifictriathlon.com/rate/   CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.