\(y=\frac{1}{x}\) This means that the line y=0 is a horizontal asymptote. Horizontal asymptotes occur most often when the function is a fraction where the top remains positive, but the bottom goes to infinity. Going back to the previous example, \(y=\frac{1}{x}\) is a fraction.
Causes of Wounds. Wound causes can be internal or external in origin. Wounds of internal origin are mainly due to impaired circulation, neuropathy or medical illness. Wounds of external origin are due to an outside force or trauma that causes open or closed wounds.
Chronic pain or persistent pain without trauma may be caused by problems in the bones, muscles, ligaments, joints tendons, nerves, nerves, blood vessels, and skin. The root cause of the pain is the inflammation of the tissue of the affected area. Woman having aching leg.