Muscles and Joints

we made a hand out of paper, straws and string mimicking the 

Muscles and Joints in the human body.

The muscles in the our lower arm contract to move the phalanges or the bones on the hand they are connected to the bones in the finger by tendons. The bones are held MMS apart by ligaments and cushioned by synovial fluid and cartilage, the name on this gap is called a joint.