This is a stationary bike with movable handles so you can use your upper and lower body to smoothly push against resistance. That way, you get a full-body workout without pounding your joints or muscles.
Full disclosure: This is one of my favorite HIIT exercises. First, it focuses on your upper body safely and gently. Second, it's great for anyone—masters and novices alike.
Mountain climbers are a fantastic cardio exercise that cranks up your heart rate and cardio in a hurry. To make it a wee bit easier on your knees and ankles, try a variation where you put your feet on sliding surfaces to remove the friction.
For many of us, we haven't used a jump rope since we were a kid. Too bad, because it really is a fantastic fat-burning tool.
Crawls are perfect for any fitness level they're extremely low-impact, boost your core strength, increase your cardio and muscular endurance, and improve your movement abilities.
Rowing is a fantastic total-body cardio exercise that's perfect for HIIT or even slow, long-duration cardio. It's simple to learn the correct technique, and it's gentle on your body since there's no pounding .
The kettlebell swing could be one of the best exercises for HIIT; it strengthens the key muscles in your hips, teaches great movement patterns, and improves your conditioning like nothing else.
Very few gyms have artificial turf or sleds that allow you to sprint while pushing against resistance, which is a great type of exercise. Fortunately, there is an alternative that allows you to blast the fat away without blasting your joints away.