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.
Thereâs only one joint involved in the leg curl exercise, which means that itâs considered an isolation strength-training exercise. During leg curl, your knee joints bend against resistance. Anatomically, this movement at the knees is referred to as flexion.