Major bones
This bone supports your head and allows you to nod “yes.”
Atlas
These muscles are found on your upper arms and help you bend your elbows.
Biceps
This term describes bending a joint, like bending your elbow.
flexion
This term describes a break in a bone.
Fracture
These bones protect your heart and lungs.
Ribs
This large muscle covers your upper back and helps move your shoulders.
trapezius
This term describes straightening a joint, like extending your leg.
extension
This condition causes bones to become weak and brittle due to loss of bone density.
Osteoporosis
This bone, also called the tailbone, is at the very bottom of your spine.
coccyx
These muscles are found on the front of your thighs and help you straighten your legs.
quadriceps
This type of joint movement allows you to turn your head side to side.
rotation
A slipped or herniated disc happens in this part of the body.
Spine