When someone mentions cardio exercise, you probably imagine running, jumping rope, and burpees. While these are effective, they're not your only option if you want to move your body, raise your heart rate, and protect your joints.
Sore knees can be a challenge if you want to keep active, but the key is to find low-impact exercises that don't put additional stress on your joints the way high-impact moves like running and jumping do, which is exactly what this short, five-move, no-equipment routine is designed to do.
