This story is adapted from Life Kit's Guide to Building Strength, a five-day email series. Sign up for the special newsletter here. There are innumerable ways to shape a workout routine for building ...

It's so important to focus on your form during your exercises and not simply go through the motions.

The exercises you'll include in your routine to target these posterior muscles (which include your rear delts, rhomboids, traps, and lats) are essential for your workouts, whether you're approaching ...