Share: Title:What are the Most Effective Intervals? HIIT Science Duration: 14:25 Plays: 454K views Published: 4 years ago Download MP3 Download MP4 Simillar Videos ▶️ 13:30 You Should Be Using Shorter Cranks, Here's Why 454K views • 12 days ago ▶️ 18:14 Building Dylan Johnson's Leadville Bike 454K views • 3 months ago ▶️ 12:12 The Electrolyte Myth: What Causes Cramping And How Can You Prevent It? 454K views • 4 years ago ▶️ 13:57 How To Do Base Training The Right Way 454K views • 4 years ago