My lower back started hurting around 2 p.m. every day. Not a sharp pain — a dull ache that made me shift in my chair constantly. By 5 p.m. I was hunched over like a question mark. I blamed the chair, bought a new one, blamed the new chair, and eventually saw a physical therapist.

“Your chair is fine,” she said. “Your body just forgets how to move after sitting for six hours.” She gave me five stretches. Told me to do them at lunch. Two weeks later, the 2 p.m. ache was gone.

Why Sitting Destroys Your Posture

When you sit, your hip flexors shorten, your glutes turn off, your shoulders round forward, and your neck juts out toward the screen. Your body adapts to whatever position it is in most. Spend eight hours in a chair and your muscles literally remodel themselves to be good at sitting — which makes standing and walking harder.

Stretching does not undo the damage. But it reminds your muscles that other positions exist, which is enough to prevent the daily ache.

The Five Movements (One Minute Each)

1. Doorway chest stretch. Stand in a doorway, arms out to the sides like a T, forearms against the doorframe. Lean forward gently until you feel a stretch across your chest. This counters the shoulder rounding from typing.
2. Standing hip flexor lunge. Step one foot forward into a lunge. Drop the back knee toward the ground and tuck your pelvis under. You should feel a stretch down the front of the back hip. Switch sides at 30 seconds.
3. Seated spinal twist. Sit sideways in your chair, feet flat. Twist your torso toward the back of the chair, using the chair back for leverage. Hold 30 seconds each side. This undoes the forward hunch.
4. Chin tucks. Sit up straight, pull your chin straight back like you are making a double chin. Hold for five seconds. Repeat ten times. This resets the forward head posture from staring at a screen.
5. Standing hamstring reach. Stand, cross one ankle over the other, and slowly bend forward. Let your arms hang. You should feel the stretch in the back of the standing leg. Switch legs at 30 seconds.

I set a daily phone alarm for 12:30 p.m. That is it. When it goes off, I stand up and do the five movements. By 12:35 I am back at my desk. The afternoon slump does not hit the same way anymore.