The stretch that can make back pain worse

In physical therapy research on directional preference, the opposite motion eased pain more often than forward stretches did.

A stiff low back gets the same advice by default: bend forward, touch your toes, hold. For a disc-related ache, that motion pushes the disc’s soft center backward, toward the nerve it already irritates. The fix below bends the spine the other way.

Forward flexion, the toe-touch, the seated hamstring stretch, the slumped tabletop pose, loads the front of a lumbar disc and squeezes its center backward. In a back that already has a bulging or herniated disc, that is the exact direction the disc is pushed toward. Extension, arching the low back the other way, draws the disc’s center forward, away from the nerve root.

Physical therapists call this a directional preference test. Robin McKenzie’s method, used in clinics for decades, has patients try repeated extension first: lying face down, then pressing the chest up while the hips stay on the floor. Patients whose pain moves from the leg back toward the spine, called centralization, are usually the ones who respond to extension work, not stretching.

Start lying down, not standing. A standing backbend adds compression from gravity that a floor press-up avoids.

Which mistake do you make more?

Tight hamstrings and an irritated disc are two different problems, Corinne. Hamstring stretching loosens the muscle, but it also rounds the low back forward, the motion linked to aggravating a disc-related ache. Try the press-up test first. If it eases the pain, work in that direction for two weeks before you go back to hamstring stretches.

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Keep moving,

The Ache Report

P.S. Set a timer for every 30 minutes at a desk. Standing up and doing two backbends before you sit again keeps a stiff disc from settling into a flexed position.

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