“Incorporating walking lunges into a high-intensity interval training (HIIT ... If you are someone who has a knee or hip injury or experiencing severe joint pain, you should avoid performing ...

These indoor walking workouts boost calorie burn, strengthen your core, and help you lose belly fat—all from the comfort of home. No equipment needed!

Mark out your running and lunging distances (or hop on the treadmill and perform alternating static lunges), and get to work on the following ladder: 100 walking lunges 200 m run 75 walking lunges 400 ...