A Biologist Explains Why The Human Spine Is S-Shaped — And Why It Leads To Back Pain
05/11/2026-15:30 05/11/2026-15:35 מחשבים וטכנולוגיה Forbes Innovation דיווח
Why is the human spine shaped like an S? A biologist explains how walking upright curved our backs, and why that curve makes lower back pain so common
