Use cable weight machines for shoulder exercises. Learn tips and techniques for working out the chest, back, shoulders, and arms in this weightlifting video. Take action: work anterior and lateral deltoids by pulling handle straight up to side, but don't lock elbows, raise arms straight out to the front. Lance is certified personal trainer through American Fitness Association of America. He graduated from UNC with a biology degree and currently works for a gym. He specializes in weight training, circuit training, endurance training, and teaching people the proper forms for exercise. He enjoys helping others reach their goals. Watch this video fitness tutorial and learn how to do should exercises using cables.