Causes of neck pain include: 1  Abnormalities in the bone or joints. 2  Trauma. 3  Poor posture.  Degenerative 1  diseases. Tumors.  Muscle strain.
1 Repetitive, excessive sports, especially in the form on running, can lead to trauma that creates leg pain - E.G: shin splints and stress fractures. 2  Leg pain with an underlying medical cause may be nerve-related, musculoskeletal or vascular.  Some forms of leg pain resolve with self-help care.
The muscles of the lower leg control foot motion and stability, so increase in activity or changes in footwear can sometimes cause sore muscles or tendonitis. While the increase in physical activity is a leading cause of lower leg pain, there are many other health conditions that can cause leg pain. Leg pain that is severe, sudden, or accompanied by swelling should always be evaluated by a physician.