Declining estrogen levels can trigger severe pain in the lower lumbar region. The lower back pain due to estrogen deficiency can best be described as excruciating pain which radiates down the buttocks and legs. The incapacitating lower back pain may also hamper every day tasks.
A Position vector is a vector that describes position of a point in space. Often the position of such a point is nothing but the x,y, and z coordinates of the point with origin as the reference point. The direction of such a vector is the arrow or...
Prone position (/proÊn/) is a body position in which one lies flat with the chest down and back up. In anatomical terms of location, the dorsal side is up, and the ventral side is down. The supine position is the 180Â° contrast.