Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility ...

The spinal cord is a long bundle of nerves and cells that extends from the lower portion of the brain to the lower back. Spinal cord functions include carrying signals between the brain and the rest ...

The back consists of large, complex muscles that support your trunk and spine. There are many types of back muscles, and they are all essential, helping you walk, bend, twist, and hold your body ...

A strong back is essential for performing twisting and pulling motions with ease. The back muscles are used in almost every movement — from walking to pushing a shopping cart at the grocery store to ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! The back muscles are used in almost every movement — from ...

The deadlift stands as one of fitness’s most rewarding challenges – a fundamental movement that transforms your entire posterior chain while building functional strength. Yet this compound exercise ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! The back muscles are used in almost every movement — from ...