L5-S1 is the lowest lumbar level and the most heavily loaded. It is also the commonest site of disc herniation, which is why it comes up so often.
Side lying with knee support
The most consistently tolerated position. Pillow between the knees, slight bend at the hips and knees.
Back lying with knees elevated
Pillows under the knees reduce the lumbar extension that loads the posterior part of the disc at this level.
Why this level specifically
L5-S1 sits at the junction between the mobile lumbar spine and the fixed sacrum, so it absorbs the transition. Positions that reduce lumbar extension help it disproportionately.
Watch the morning routine
Because the level is loaded first thing, how you get out of bed matters more than at other levels. Roll and push up rather than sitting straight up.
These are general suggestions, not a prescription. If any movement sharply increases pain, causes numbness, or sends pain down a limb, stop and get assessed. Advice that suits a disc problem can be exactly wrong for spinal stenosis, which is why a diagnosis comes first.
If pain is not settling, or you are not sure which of these applies to you, get a diagnosis first. Call (314) 310-5577 or request an appointment.
Common questions
Does a specific position heal the disc?
No position heals a disc. What it does is stop provoking it, which allows the inflammation around the nerve to settle.
What if nothing is comfortable?
That is worth being assessed for. Pain that cannot be positioned away, particularly with weakness, should be seen rather than managed with pillows.
Hurt in an accident? Start here.
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