'(<a href="http://www.j-archive.com/media/2008-09-11_DJ_04.wmv">Kelly of the Clue Crew hangs out with a skeleton.</a>)  Allowing the lower leg to move backward & forward in the same way that a door opens & closes, the knee is considered this type of joint'
a hinge
ANATOMY: Allowing the lower leg to move backward & forward in the same way that a door opens & closes, the knee is considered this type of joint
Allowing the lower leg to move backward & forward in the same way that a door opens & closes, the knee is considered this type of joint
Allowing the lower leg to move backward & forward in the same way that a door opens & closes, the knee is considered this type of joint
ANATOMY
a hinge
ANATOMY