Chapter 15 — Fitness & Exercise
How do I fix lower back pain?
Most 'mechanical' back pain resolves in 4–6 weeks with movement (walking beats bed rest), strengthening (glutes, core, hamstrings), and better sitting posture. Red flags — weakness, numbness, bladder issues — need urgent care.
Follow-up questions
Mattress matters?
Medium-firm supports most people best. Old, sagging mattresses definitely make it worse.
When to see a doctor?
If pain persists beyond 6 weeks, radiates down a leg, or comes with red flags.
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