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.
1 Rectus abdominis muscle: originates from the 5th to 7th costal cartilage and the xiphoid process of the sternum and inserts at the pubis (between the pubic tubercle and symphysis). 2  Thereby it passes through the rectus sheath, a tendinous muscle envelope built by the aponeurosis of the lateral abdominal muscles.n particular, the rectus abdominis muscle does a ventral flexion (flexion of the trunk or erection of the pelvis) and thus is an important antagonist of the intrinsic back muscles.