The Core Mechanism
Combination of weak core, poor sleep, and high-impact loading — common in jumpers and high-volume runners.
The Real-World Triggers
Lower Back rarely has a single cause. In runners, these are the consistent contributors:
- Weak core (especially deep stabilizers)
- Chronic tight hip flexors and weak glutes
- High-impact training without strength base
- Asymmetric loading (always running one direction on a cambered road)
- Heavy lifting with poor form
- Poor sleep and stress
Why Runners in Particular
Running concentrates repeated impact and load through the same tissues thousands of times per session. Lower Back develops when that load exceeds the tissue's adaptation rate — usually because training spiked, recovery dropped, or strength didn't keep up.
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