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.
Causes of and Treatments for Leg Weakness - continued - continued next page on you. And inflammation in the knee joint, caused by osteoarthritis or rheumatoid arthri-tis, can cause weakness as well as stiffness in the thigh muscles. It works the other way around too: muscle weakness puts extra stress on the knee joint,