Flexion and extension are simple concepts ... but we only recommend products we back.

See the right way to do the weighted back extension, what muscles it works, and how to program it for a strong back. … Read More >How to Do Weighted Back Extensions the Right Way ...

The back extension is a versatile exercise that can be performed virtually anywhere. It can be used as part of a training program to build strength or a rehabilitation program for injury recovery.

“It’s a slow stretch that seems to work better than trying to take this patient back ... flexion contractures, and the importance of exercises and stretching postoperatively to maintain knee ...

Two terms that come up often when it comes to movement are flexion and extension. Understanding concepts like flexion versus extension can help you better understand the purpose of your workouts ...