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.
Sorry folks, but leg curls are not a functional exercise. Although it may seem like knee flexion is a big part of your every day activities like running and walking, a look at the true biomechanics of these activities shows that it is, in fact, hip extension that plays the major role in these activities.