Crunching Too High The ab crunch is a subtle movement that lifts the shoulder blades a few inches off the floor. Jerking the shoulders up adds momentum and reduces the effectiveness of the exercise. Wet clothing should be removed and the patient covered with warm sheets with consideration of active https://tbookmark.com/story17977337/orienta%C3%A7%C3%B5es-topo-da-renato-cariani