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. While plenty of ...

Start on all fours. Extend your right arm in front of you and your left leg behind, actively reaching in opposite directions. Keep your hips and shoulders square to the floor, and avoid letting your ...

This video presents a five minute high intensity workout designed for football players. It combines strength exercises, ball ...

Considering adding some new equipment to your workout routine? Kettlebells may look intimidating, but most routines and exercises that use the strength-training tool are not any harder or more ...

Workout videos may seem impossible when you're starting from scratch, but there are ways to make them easier! Try these tips ...

Designed by PureGym's personal trainers, PureGym says people can follow the exercise recommendations to 'build muscle' and ...

Calisthenics might bring back memories of 80s leg-warmers, but recently it has exploded on social media as a fitness phenomenon. The hashtag #calisthenics has racked up over 18.5 billion views on ...

Tired of annoying and stubborn belly fat? Use this fifteen videos to workout your lower ab area and feel your best! The women in these videos know how to motivate you and get you working hard, so let ...

Dispelling Some Common , Fitness Misconceptions , for Beginners. It's easy to be overwhelmed by conflicting information when beginning your fitness journey. Lifehacker recently offered readers insight ...