Start on all fours. Extend your right arm in front of you and your left leg behind, actively reaching in opposite directions.

The curl-up is part of spine expert Stuart McGill’s 'Big Three', shown in research to increase core endurance without stressing the lumbar discs. 'The McGill Curl-Up teaches the core to brace without ...

Lower back pain is one of the most ubiquitous health complaints in the world. In fact, the World Health Organization says that low back pain is the single leading cause of disability worldwide—but ...

As a runner, I know how important it is to have a strong lower body — not only will it help you run faster, but strong legs will also improve your endurance, especially if you’re looking to train for ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Most people will experience ...