Fix Your Core: It’s Not About Crunches
- Jennifer Walker CPT-SNS-LBS-CHC

- Jul 10
- 2 min read

How to Train Smarter for Strength, Stability, and a Pain-Free Back
When most people think “core,” they think abs. And when they think abs, they think crunches. That’s a problem.
The core isn’t just your six-pack. It’s a complex, coordinated system that includes your deep abdominals, pelvic floor, diaphragm, obliques, spinal stabilizers, and even your glutes. It’s not about how your core looks—it’s about how it functions. And for many people with back pain, instability, or performance plateaus, the problem starts here.
What the Core Actually Does
Your core’s real job isn’t to twist, bend, or crunch. It’s to resist excessive movement, protect your spine, and transfer force between your upper and lower body. This is especially important during strength training, walking, running, and lifting heavy objects in daily life.
When your core isn’t working right, other muscles take over—and that’s how compensation, pain, and injury start.
The Most Common Core Training Mistakes
1. Chasing Burn, Not Function
If you think a good core workout means feeling a burn in your abs, you’re missing the deeper purpose. A solid core session should improve your posture, not just your pump.
2. Too Much Spinal Flexion Endless sit-ups and crunches reinforce forward head posture and tight hip flexors. They’re not only ineffective for true core development—they can also increase your risk of back pain.
3. No Attention to Breathing or Pressure
If you’re not breathing correctly during movement, you’re probably not stabilizing well. Intra-abdominal pressure—created by a coordinated breath and brace—is the foundation of core control.
4. Ignoring Anti-Movement Patterns
Your core’s job is to resist motion. That’s why planks, bird dogs, and Pallof presses are often far more functional than fancy ab circuits.
The Smarter Way to Train Your Core
Start with your breath. Mastering diaphragmatic breathing is the first step toward reclaiming core stability. This means breathing into your sides and low ribs—not your chest.
Focus on control, not crunching. Try these instead:
Dead bugs
Suitcase carries
Side planks
Bird dogs
Pallof presses
Wall breathing with 360-degree expansion
Integrate core control into all your training. Your core should be active during squats, deadlifts, overhead presses, and even walking. Learn to brace—not just during "core" exercises, but during every lift and movement. This is what's going to fix your core.
A Real-World Benefit
I’ve worked with dozens of clients who’ve done ab workouts for years but still had chronic back pain, weak posture, or no functional strength. Once we started training the core as a stabilizer—not a mover—they started seeing results that stuck. Less pain. Better lifts. Improved posture.
Final Takeaway - fix your core
Training your core isn’t about six-pack abs or burning out your midsection. It’s about building a solid foundation for everything else—your strength, your spine, your movement, and your longevity.





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