A mini safety protocol for your spine: 3 essential exercises to activate deep stability and say goodbye to lower back pain.
- It’s not aesthetics: The core serves to protect the back, not (just) to look good on the beach.
- The 3 mistakes: Arching the back, holding your breath, rushing.
- The workout: Anti-extension, Anti-rotation, Hip extension.
- The time: 8 minutes are enough, 3 times a week.
The Core Isn’t the “Six-Pack”: It’s Stability
Forget about the “six-pack” and chiseled abs for a moment. If we are talking about health and athletic longevity, the core has only one function: to protect the spine.
Imagine your core as a car chassis or a natural corset: it must be rigid to transfer force from legs to arms (and vice versa) without dispersing it and, above all, without the back bending or twisting dangerously under load.
Many runners (and sedentary people) suffer from back pain because their core is “switched off” or poorly trained (too many crunches, too little stability). Before looking at the exercises, here are the 3 mistakes you must stop making immediately:
- Arching the back (Hyperextension): If you feel a “pinching” sensation in your lower back while doing an exercise, you’ve lost stability. Stop.
- Holding your breath (Apnea): Muscles must work while you breathe. If you hold your breath, you are using internal pressure to stabilize yourself, not your muscles.
- Rushing: Stability isn’t cardio. Movements must be slow and controlled.
Here are the 3 pillars for a bulletproof back.
Exercise 1: The Dead Bug (Anti-Extension)
This is the king of exercises for learning to move arms and legs while keeping the back immobile and protected. It is an “anti-extension” exercise because the core works to prevent the back from arching.
- How to do it: Lie on your back. Arms straight up toward the ceiling, legs lifted to tabletop position (knees at 90°). Important: press your lower back against the floor as if you had to protect a 500-euro bill placed underneath. Exhaling, extend your right arm back and your left leg forward, without ever lifting your back off the ground. Return to the center inhaling and switch sides.
- Easier variation: Move only your arms, keeping your legs still in tabletop. Or tap the floor with your heel while keeping the knee bent, instead of extending the leg.
Exercise 2: The Bird Dog (Anti-Rotation)
Here we work on the ability not to rotate or fall to the side when we remove points of support. It is fundamental for running, which is essentially a series of single-leg stances.
- How to do it: Get on all fours (hands under shoulders, knees under hips). Imagine having a tray of crystal glasses resting on your back. Without dropping the tray (so without rotating the pelvis or shoulders), extend your right arm forward and your left leg back. Hold the position for 2 seconds squeezing the glute. Come back down and switch.
- Easier variation: Lift only one arm at a time, or only one leg at a time, until you can keep the “tray” steady.
Exercise 3: The Glute Bridge (Hip Extension)
The glutes are your lower back’s best friends. If they don’t work (see Dead Butt Syndrome), the back has to compensate.
- How to do it: Lie on your back, knees bent, feet on the floor near your glutes. Push hard through your heels and lift your pelvis upward, squeezing your glutes to the max. Warning: don’t flare your ribs or overarch! The line between knees and shoulders must be straight, not an arc. Lower with control.
- Easier variation: If you feel cramps in your hamstrings (back of the thigh), bring your feet closer to your butt or lift your pelvis less.
3x/Week Program (8 Minutes)
You don’t need an hour. You need consistency. Insert this mini-circuit 3 times a week, perhaps before a run or in the morning right after waking up.
- Dead Bug: 12 total repetitions (slow and controlled).
- Bird Dog: 12 total repetitions (with a 2-second hold at the top).
- Glute Bridge: 15 repetitions (with a 1-second hold at the top).
- Rest 45 seconds and repeat for 3 rounds.
Total: about 8 minutes. And your back will thank you.




