It is easy to fall into a pattern with your exercise routine, but does it leave out certain muscle groups? Many of us tend to focus on the major muscles, such as the quadriceps or the biceps, but ...

If you’re hoping to improve your posture and strengthen your back, you’ll want to work out your rhomboid muscles. The way you stand or sit shows how well your joints and muscles are working. Poor ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...