If you're unfamiliar with Kranking, you're not alone. A Krankcycle resembles a bike, but instead of peddling with your legs, you peddle with your arms. This piece of equipment is perfect for those with knee, ankle, or foot injuries, but when you watch someone krank, it doesn't seem like it's the most effective cardio workout. A recent study from ACE (American Council on Exercise) studied 20 Read more