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. We’re going to start ...

Supersets are when you put two or more exercises together without taking any rest between. Once the superset is complete, then you can rest before performing another round. There are two approaches to ...

If time is on your side, this mammoth high-volume upper-body workout from transformation specialist PT Will Duru promises to transform your chest, back, arms and shoulders. The workout combines ...

If you want to work your arms, back, and chest at the gym (or at home!), look no further than this six-exercise upper-body workout that'll get you in, out, and feeling strong in no time. This ...

As a general rule, you should aim to do workouts that target all the muscles in your body each week in order to function optimally. You don’t have to do full-body workouts daily, but when you plan ...

These five supersets combine explosive moves and high-rep challenges for a full-body workout with zero equipment ...

You don't need to work out for hours with lots of equipment to get stronger. In fact, you can get in a quality strength workout in under 30 minutes without any equipment. Don't believe us? Try this 20 ...

To those who think the gym is an intimidating place, have no fear. As a female personal trainer, I have experienced the ins and outs of gym culture and am here to help. One of my favorite machines to ...

A strong set of shoulders is important for an active daily life. Not only does the shoulder joint have the largest range of motion in the body, but the muscles of the shoulder girdle are also ...

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. Your shoulders are an ...

Are you ready to rev up your fitness routine and dive into a month of powerful superset workouts? Whether you’re looking to shed some pounds, build lean muscle, or simply challenge yourself in new ...