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 ...

Under Armour and ACE-certified trainer Ariel Belgrave is here to remind you to not skip leg day. With this 20-minute lower-body workout, you'll ignite your core and challenge your balance as you build ...

Personal trainers and fitness enthusiasts alike understand the power of leg day—and they rarely skip it. Why? Because building strong, powerful legs promotes better balance, quicker recovery, ...

Add Yahoo as a preferred source to see more of our stories on Google. Squats are one the top exercises recommended by trainers. Get the most out of your workout with these trainer-approved moves.

Dumbbells are versatile pieces of weighted equipment that can help make exercises more difficult by adding resistance and engaging specific stabilizer muscles. They can also make certain movements ...