The Secret to Spinal Health: Flexion Pattern vs. Extension Exercise Hello from Son Rehabilitation Medicine & Chiropractic Clinic . How are you managing your spinal health daily? In our clinic, we often hear patients say, "I haven't lifted anything heavy, so why does my back hurt so much?" The answer lies in our hidden daily routine: the "Flexion Pattern." Today, we will explore why our daily habits can compromise our spine and why "Extension Exercises" are absolutely essential for protecting it, explained through structural biomechanics. 1. The Reality of Modern Life: The Constant Forward Slouch From looking down at smartphones in the morning to driving, working at a computer, and sitting down for meals, over 90% of our daily life is spent in a forward-bending "flexion pattern." When this posture becomes chronic, dangerous mechanical shifts occur inside the spine: Posterior Disk Protrusion: Your spinal disks consist of a jelly-like ce...