Add Yahoo as a preferred source to see more of our stories on Google. A beginner in his teens up through his 30s can expect to put on two to four pounds of lean muscle per month for the first two or ...

Yes, you can build muscle while burning fat – science and real-world evidence both say so, but it’s less than optimal.

From squats to deadlifts, compound exercises are redefining how Americans build strength, muscle, and real-world ...

When it comes to weightlifting, people hit the gym for a plethora of reasons. Maybe you want to improve your overall health, lose weight, or cross-train for your sport. Two of the most common workout ...

A smart training plan, consistency, and the right exercises are essential for gaining muscle mass and improving overall ...

The most significant difference between lifting weights for strength vs. size is ultimately the benefits one brings over the other. On the opposite end of that is the aspect of building muscle size.

A comprehensive guide to max out your gains and fill out your shirtsleeves, according to exercise experts.

Whether you want to achieve or avoid a muscular look, you should know how muscle changes your body for the better. Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a ...