9 Low-Impact Cardio Classes That Will Still Make You Feel the Burn

Spin classes are not only great if you are looking to build endurance and lean muscle, but can also give you an intense cardio workout without having to put stress on your joints. "Spinning is a great low-impact cardio option, because it is easy to not only maintain a an increased heart rate, but you can add in sprints and hills, which will simulate a HIIT workout without the added joint stress," says Reaver.