â¢It allows you to temporarilly disconnect your wiring from the telephone company's wiring for troubleshooting purposes. Generally, the demarc is located on the exterior of your home in a grey or black box.
Leg Curls. In leg curls, you either sit or lie on the bench, or you stand facing the cables with your legs straight. After securing your ankles under the pad or attaching the cuff to your ankle, you bend your knee to bring your heel toward your bottom.
A leg position in which the free leg is lifted behind the body with the knee bent at an angle and is held behind at a 90-degree angle to the skating foot. This is the leg position often used for the Layback spin.