Poor abdominal tone can result in tight and painful muscles in the back of the neck, and even the head and shoulders. (philmaffetone.com)
Also, remember to regularly give your shoulders a good stretch, since this can help loosen up the muscles, improve blood circulation and prevent painful muscle knots. (fitnessandpower.com)
Going too rapidly before your torso is strong as steel will result in a horrible and painful muscle tear that will keep you out of the gym for months. (scoobysworkshop.com)