Ritz argued that the engrossed copy of the Declaration was signed by Congress on July 4, as Jefferson, Adams, and Franklin had stated, and that it was implausible that all three men had been mistaken. Ritz believed that McKean's testimony was questionable, and that historians had misinterpreted the July 19 resolution.
The seven general types of skeletal muscle. The origin of a muscle is the bone, typically proximal, which has greater mass and is more stable during a contraction than a muscle's insertion. For example, with the latissimus dorsi muscle, the origin site is the torso, and the insertion is the arm.
Muscle Insertion. The insertion of the muscle is the end of the muscle attaching to the freely moving bone of its joint. To understand muscles and joint movements, there are four things to keep in mind: Movement happens at joints, with one bone of the joint moving freely while the other remains relatively stationary.