Core Strength

Here, I am using a makeshift back strap anchored to stall bars to work on spinal extension.

If you don't have access to these tools, you can use a gym ball for the initial passive stretch, or even a large ottoman or workout bench.

For the active extension exercises, you can use a back extension machine at a local gym or have a friend anchor your legs to a stable surface while your upper body hinges over it. Read more