Tension patterns in your neck and shoulders is caused by stress that your system has been unable to release. Our bodies store emotional stress in our muscular system. As Dr. Mel Krug's video suggests, when your body becomes stressed, your posture will be affected and postural imbalances can lead to tense muscles, sore muscles, and many other health conditions. NetworkSpinal, a gentle form of chiropractic care, is designed to balance the tension in your body so that your effortlessly adopt a more relaxed posture and physiology. I hope this helps!