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 barbell curl is a pull-type, isolation exercise which works primarily your biceps, but also trains muscles in your forearms and shoulders to some degree, as well. The following table lists information about barbell curls and the muscles that you use when performing barbell curls.