How to Train With a Bad Back After 40
Lower back pain is one of the most common reasons people over 40 stop training — or never start. I want to address that directly: in most cases, stopping is exactly the wrong move. A back that isn't being trained becomes weaker, less stable, and more prone to injury. The goal isn't to train through pain. The goal is to train around it intelligently until you can train through it.
I've coached people in their 50s and 60s with herniated discs, degenerative disc disease, and years of chronic pain who are now lifting more than they did at 35. The difference was learning what to do and what to stop doing.
First: Know What You're Dealing With
There's a difference between acute injury (something just happened — stop training, see a doctor) and chronic lower back pain (it's been there for months or years, it aches, it flares up). If you had a recent injury, get it assessed before doing anything else. If you have chronic back pain with no specific diagnosis, what follows applies to you.
Most chronic lower back pain in adults over 40 is caused by weak glutes, tight hip flexors, and poor movement mechanics — not structural damage. The back is compensating for work the hips and core aren't doing. Strengthen the right muscles, fix the movement patterns, and the pain often resolves or becomes manageable.
What to Pull From Your Program
These are the movements that most commonly aggravate existing back problems when done with poor form or too much weight:
- Heavy conventional deadlifts with a rounded lower back — switch to trap bar deadlifts or Romanian deadlifts with a strict neutral spine
- Barbell back squats with excessive forward lean — switch to goblet squats or box squats while you rebuild the pattern
- Sit-ups and crunches with spinal flexion under load — replace with dead bugs, planks, and pallof presses
- Leg press with excessive depth and posterior pelvic tilt — reduce range of motion to where the spine stays neutral
Ken's rule: if a movement creates pain during or after the session, replace it — don't push through. Pain is data. Listen to it.
The Foundation: Build This Into Every Session
The four movements that do the most to stabilize and strengthen a bad back are simple and require no heavy loading. Start every session with 2 sets of each before lifting anything heavy:
- Glute bridges — 15 reps. Squeeze at the top, hold 2 seconds. This activates the glutes so your lower back doesn't take over during everything else.
- Bird dogs — 10 reps per side. Slow and controlled. This trains anti-rotation stability of the core and spine.
- Dead bugs — 8 reps per side. Keep the lower back pressed to the floor the entire movement. This is the most underrated back exercise there is.
- Hip flexor stretch — 60 seconds per side. Tight hip flexors pull the pelvis forward and load the lumbar spine. This one fix makes a significant difference for most people.
Getting Stronger Over Time
The long-term fix for a bad back is a stronger posterior chain — glutes, hamstrings, and spinal erectors trained through safe ranges of motion. Romanian deadlifts, single-leg deadlifts, hip thrusts, and cable pull-throughs are your tools. Load them progressively, keep form clean, and your back will be more resilient six months from now than it is today.
One thing to do today: add a 10-minute warm-up of glute bridges, bird dogs, and a hip flexor stretch before your next session. Do it for 4 weeks and report back.
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