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Name: Date: Ligaments and Tendons Terms: Websites for videos Ligaments: connect bone to bone Ligament vs tendon: http://www.youtube.com/watch?v=hCrmPp Dqp2k Tendons: connect muscle to bone Muscle moving bone: http://www.youtube.com/watch?v=A8KfmY ggHsY Anterior: in the front Posterior: in the back ACL tear: http://www.youtube.com/watch?v=4codrzOt taI After watching the videos, answer the following questions: 1. Describe how the muscle, bones, ligaments, and tendons all work together to move the arm or leg. Nerves bring a message from the brain telling the muscle to contract The muscle contracts and pulls on the tendon The tendon pulls on the bone it is attached to The bone moves but the joint stays together because of the ligaments connecting the bones 2. Why would an athlete not be able to play if his/her ACL (anterior cruciate ligament) was torn? The bones would not be held together by the torn ligament (stability) There might be other tissues damaged as well Swelling and inflammation could prevent the joint from working correctly