It is very common to have muscle knots and a lot of people suffer from them on a regular basis. Especially a sedentary lifestyle and poor posture due to working in an office can cause the trigger points. But also overusing or injuring your muscles can lead to the painful bumps. Other causes can be a poor diet, dehydration, anxiety and stress. Symptoms Of Muscle KnotsThe painful bumps can occur anywhere in your body, however they are usually found in your neck, shoulders, lower back, calf muscles and shins. When you touch a muscle knot it may feel swollen and tense. Touching them can be quite painful, especially if the affected area is inflamed and swollen.The trigger points can cause symptoms in other areas than the muscles as well, including headaches, ringing in the ears and jaw pain. Patients often suffer from stress, anxiety, depression and have difficulty sleeping.