while we are near the subject of bicycles

Another bike setback:

"In another technique, sensors are placed on the rider's penis to measure oxygen flowing through arteries beneath the skin. Blood flow is detected by other sensors that send a "swoosh" sound to a Doppler machine."

Intrigued? Without giving it away, let me just say you know that numb, sore feeling from riding on a hard bike seat? How well do you know it? Uh-huh, and how's your sex life? Read on...

werdenfield loves you and your perineum.