DPA International on MSN9 个月
Sideways spine curve: What all parents should know about scoliosis
The spine has a natural front-to-back curve. But about 2% of children and adolescents worldwide have an abnormal sideways S- ...
Verywell Health on MSN5 个月
Lumbosacral Joint (L5-S1): Anatomy and Pain Symptoms
The sacrum is made of five fused bones—S1 is at the top. Each area of the spine has a curve, and these curves go in opposing ...