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 ...

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.

Doing a strength-training session like this lower-body dumbbell workout from ACE-certified personal trainer Nicci Robinson helps to build lean muscle and aids in the fat-burning process. This specific ...

Dumbbells are versatile pieces of workout equipment that allow you to train every part of your body. When it comes to leg workouts with dumbbells, a range of exercises allows you to hit the major ...