What attaches the muscle to the bones?
Tendons attach muscle to bone. Ligaments attach bone to bone.
It can be known as the point of insertion or the point of origin depending on which end of the muscle you are referring to. For example: if you are referring to the biceps brachii muscle, the Point of Origin would be where the muscle attaches to the humerous and the Point of Insertion would be where the muscle attaches to the radius.
Joints don't have the ability to move. Joints are where two or more bones meet. One end of muscle attaches to the bone and the other end of the muscle stretches cross the joint and attaches to the bone on the other side of the joint. Muscles work in pairs, so that when one muscle contracts (the only movement that muscle can make), the other of the pair relaxes which causes movement at the joint…