Inspired? Take a look at our treadmill workouts for every level of runner here. Cycling is another HIIT mainstay. You can use any exercise bike (see our picks for the best exercise bikes), and you ...

Background: In endurance cycling, both high-intensity interval training (HIIT) and sprint interval training (SIT) have become ...

“They can do a HIIT session on the bike to maintain their cardiovascular load, while lessening the impact on their neuromuscular system.” To help you get started, follow along with Runner’s ...