Quick biology lesson: the posterior chain is the term for the network of muscles that run the entire back length of our body, ...

If you want to strengthen and tone your core, consider practicing yoga. Poses like side plank and boat pose are great for building strong abs.

You don't need a gym to strengthen your back. Planks, bird dogs, and supermans are just some of the back-strengthening exercises you can do at home.

The plank is a classic isometric exercise that builds strength and endurance. It puts various elements of functional fitness to the test—not just “brute strength,” explains Pamela Paley, Club Pilates ...