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.
The contracting biceps muscles exert the effort in between fulcrum and resistance. Movements of bones occur only at the joints. The movements are brought about by contractions of skeletal muscles inserted onto the articulating bones by firm cords of white fibrous tissue called tendons.Cords of yellow elastic tissue, termed ligaments, stabilise the joints by holding the articulating bones together.ole of Muscles and Bones in Movement. The muscles in the body provide the means of all movements. When stimulated by a nerve, the muscle contracts to become shorter and thicker and thus it pulls the bone at the movable end.