Weak to pull up top of spine exercises day to strength. By doing this exercise upright, you increase the likelihood of performing it throughout the day and you also train the tissue to remain strong in the upright position. As with all neck related exercises, the key is to start off slowly. In addition, remember that doing this exercise gently and on a regular basis will contribute to muscle strength, more than if you exert a high amount of effort for a short period of time.