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If sitting is the one activity that reliably sets off your bad back, this session explains exactly why — and what it can teach you about every other flare-up.
If you've got a herniated disc, a disc bulge or sciatica at L4/L5 or L5/S1 and sitting has become one of the hardest things you do, this is for you. Sitting increases the load through your lumbar spine by roughly 40 to 90% compared with standing, flattens out your natural lower-back curve, and squashes down on the very structures that are already injured — often reproducing the exact forward-bending movement that caused the injury in the first place.
🎓 Join the Back In Shape Program: https://backinshapeprogram.com
We put real numbers on the everyday movements that stress an injured spine: walking bent forward roughly doubles the load, standing up from a chair without using your hands can spike it to almost four times standing, using your hands brings that down to under two times, and even rolling over in bed adds around 60% more load than standing still. Understanding this reframes rehab entirely — you're already exposing your spine to variable, uncontrolled stress every single day, so learning to do these things well, and building genuine load-bearing capacity, is far safer than continuing to leave it to chance. We also cover why leaning forward gives momentary relief while making the underlying injury worse, why weak knees are usually a symptom of weak legs rather than a separate problem, and why being told your hips are "out of alignment" or your spine is "curved" — without any imaging — tells you almost nothing.
🔑 Key Topics Covered
🪑 Why sitting hurts so much: sitting adds roughly 40 to 90% more load through your lumbar spine than standing, flattening your natural curve and squashing the front of the disc — often recreating the exact forward-bending movement that caused the injury.
📊 Everyday movements, put into numbers: walking bent forward roughly doubles spinal loading; standing up without using your hands can spike it to nearly four times standing, dropping to under two times with your hands on your thighs; even rolling over in bed adds around 60%.
🔁 Why leaning forward feels better but makes it worse: bending forward opens the space where the nerves exit, giving momentary relief — but it directly strains the injured tissue further, which is exactly why the relief keeps you stuck in the cycle.
🦵 "Weak knees" and "hips out of alignment" — what's really going on: knee problems are usually a consequence of weak, poorly conditioned legs rather than a separate fault, and a claim about your alignment or a "curved spine" made without any imaging tells you almost nothing useful.
Chapters
00:00 Why does sitting hurt so much with a bad back?
01:20 The load of sitting: 40 to 90% more than standing
03:36 Everyday movements, put into numbers
07:16 Why your muscles matter more than a repeat MRI
15:35 Where should your squat and hip hinge numbers be?
18:38 Sitting reclined: relief now, cost on the way out
25:38 Getting back into demanding sports and activities
32:36 Why symptoms return, even when you're doing the rehab
38:34 "Anterior pelvic tilt" and curved spines — the real story
44:32 Why leaning forward feels better but isn't
48:52 Why "weak knees" usually means weak legs
53:24 Are ablations and nerve blocks the answer?
1:00:36 Doing the rehab work every day, and why it fits
1:07:48 Why McGill's Big 3 alone isn't full rehab
#HerniatedDisc #Sciatica #BackInShape #SlippedDisc #DiscBulge #LowerBackPain #BackPainRelief #SpinalRehab
