The human body has different parts that help us do things like walk ... You have arms, elbows, hands and fingers. You have a chest and a tummy. You have legs, knees, feet and toes.

Push downward which brings this down in front of you. Once you hold on to this you let this one go and just do a chest press motion. Be careful not to bring your arms back to far which would over ...

Scientists are exploring that futuristic vision by using special 3-D printers to make living body parts. Called bioprinters, these machines use human cells as “ink.” A standard 3-D printer ...

“At the same time, that shortens and weakens the chest muscles, which can contribute to chronic neck, back, and shoulder pain.” Balancing the body is key to avoiding injury and pedaling more ...