Note that most people who have gas and bloating (and even other signs and symptoms) don't have colon cancer. 1  A feeling of needing to have a bowel movement, even if you don't.  A change in your bowel movements -- diarrhea or constipation, for example -- that lasts for more than a few days.
The tunnel is called the spinal canal. Lumbar spinal stenosis is a narrowing of the spinal canal in the lower part of your back. Stenosis which means narrowing, can cause pressure on your spinal cord or the nerves that go from your spinal cord to your muscles. Spinal stenosis can happen in any part of your spine but is most common in the lower back.
When you have lumbar spinal stenosis, the pain is normally felt in the legs and can be accompanied by weakness, numbness, or nocturnal leg cramps. Since stenosis and PAD resemble, a key difference is that trunk flexion will help relieve lumbar spinal pressure therefore reducing pain in those with stenosis.he conditions are peripheral artery disease, chronic venous insufficiency, and lumbar spinal stenosis. Peripheral artery disease (PAD) is a form of atherosclerosis where fat and cholesterol line your arteries. Symptoms include cramping and tight pain that is felt in the muscles below a narrowed artery.