"52% of people with pain free backs had at least one bulging disc or other
MRI abnormality. In a similar study, one third of individuals who had never
suffered back pain had a substantial spinal abnormality, and 20 percent
under the age of sixty had a herniated disc."
"60% of people with pain free knees, aged 20-68, showed abnormailties
in at least 3 of 4 regions of the knee."
「肩」
肩の痛みのない人には、23%に腱板断裂が確認されるとの報告です。
"23% of people with asymptomatic shourlder had a rotator cuff tear."
最後に「股関節」
股関節痛のないホッケープレイヤー約7割がMRI上、骨盤や股関節に何らかの骨格異常、54%に股関節唇損傷が確認されるとの報告です。
"Among pain free hockey player, 70% had abormal pelvis or hip MRIs,
and 54% had labral tears."