If you've been hitting the gym or lifting weights at home for a while, you might feel that a full-body workout every day leaves you with little energy to really push each muscle as you'd like, or that ...

The battle over what is the ‘best’ training split shows no sign of slowing down, and after 20 years in the industry I’m confident it’s an argument that’s going to rage on forevermore. And that’s the ...

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. Curls are the classic ...

A bicep bulge is an injury that typically results from a tendon tear and is sometimes referred to as a “Popeye deformity.” When one of the tendons attached to the bicep muscle is torn, it causes the ...

Biceps tendinitis occurs when there’s inflammation of the biceps tendon. This tendon stretches along your biceps muscle from your elbow up to your shoulder. Repetitive motions, particularly from ...