Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The upper back is an ...

Add Yahoo as a preferred source to see more of our stories on Google. NO MATTER YOUR fitness goal, efficiency should always be one of your top objectives. Yes, the exact nature of your split will ...

A broad, well-defined back is a cornerstone of any well-rounded physique. But that’s not the only reason to pump up your posterior—it’s also a critical way of improving posture, reducing back pain, ...

The exercises you'll include in your routine to target these posterior muscles (which include your rear delts, rhomboids, ...

Before trying a rowing machine workout, I'd thought about going to the gym or trying a treadmill workout. Given the travel time to my local gym and not wanting to spend time walking indoors when I ...