“Improper” Alignment and Jefferson Curls: Training Your Spine for Real Life

"There is no improper alignment, only improper preparation." — Ido Portal

There's a strong push in both medical and fitness communities for "proper alignment"—making sure everything is stacked, stable, and braced before loading. This makes sense in most cases. But life doesn't always cooperate with optimal alignment.

Sometimes you have to load the kids or groceries into the car by squeezing and twisting around a tight parking situation. Sometimes you pull something heavy from under the bed. Life intervenes in non-optimal positions, and you had better be ready for it.

That means training your muscles to be functional in those positions—not just in textbook setups.

Why Range-of-Motion Training Matters

It's great to strengthen the big lifts—squat, deadlift, overhead press—with perfect form. But we also recommend working in less traditional positions to keep your muscles more responsive and resilient. If you never expose yourself to the unfamiliar, you'll never adapt to it.

One exercise we've been incorporating for exactly this purpose is the Jefferson Curl.

What Is the Jefferson Curl?

The Jefferson Curl is a controlled spinal loading exercise designed to take your spinal segments through a full, natural range of motion—gradually building strength and resilience with progressive load.

How to perform it:

1. Stand tall on a slightly elevated surface or flat ground.
2. Slowly lower your chin toward your chest, round your shoulders, and curl each spinal segment downward, sliding your hands down your thighs toward the floor.
3. You'll feel tension or restriction somewhere in the posterior chain—your back, hips, hamstrings, or calves.
4. Stop if you feel sharp pain.
5. Slowly "uncurl" upward using the muscles you just stretched. Use your hands to assist if needed.
6. Repeat 5–10 times. Your last reps will reach further than your first—that's your tissues getting more pliable and your nervous system releasing protective tension.

What About Disc Herniations?

"I was told to never bend my back."

This is generally sound advice under heavy load—but it's not a complete picture. Your spine was designed to flex, extend, and rotate. Untrained spines that only ever operate in "neutral" can become stiff, weak, and paradoxically more vulnerable to injury.

If you're currently dealing with acute low back pain, Jefferson Curls are not the place to start. But for most people, gradual progressive loading of the full spinal range builds remarkable resilience. You were designed to be hard to break. This exercise helps keep you that way.