Causes of neck pain include: 1  Abnormalities in the bone or joints. 2  Trauma. 3  Poor posture.  Degenerative 1  diseases. Tumors.  Muscle strain.
1 Pain in the legs may be due to injury or inflammation of any of the structures that are found in the leg, including bones, joints, muscles, tendons, ligaments, blood vessels, nerves, and skin. Inflammation of tissue is usually the cause of pain.  Pain can also radiate from other parts of the body and be felt in the leg. Back ailments can cause pain and numbness of the leg. Abdominal aorta and iliac artery aneurysms can also present with leg pain. A blood clot in the large veins located in the abdomen, pelvis, or legs is another cause of leg symptoms.
Some of the common causes of lower leg pain are as follows: 1  Strain in the Muscle or Muscle Fatigue: This cause results from severe physical activity or severe injury causing muscle tear or rupture of the tendon. Straining the calf muscles also leads to leg pain. Injuries Caused by Exercises: Shin splints cause intense leg pain in runners and people involved in sports. In this case, pain is felt along the tibia, and there is an increase* in the leg muscle mass, cramping, and pain in the muscle.