There are many exercise machines designed to work the neck, arms and upper back, but there is one piece of equipment that focuses on your lower core muscles — a back machine. Back machines ...

In this six-part series, we'll give you quick exercises for different body parts every week to help you stay limber at your desk.

We tested the best elliptical machines to meet your fitness goals from the comfort of your own home, from intense workouts to light, low-impact workouts ... your chest, back, biceps, triceps ...