The occurrence of postoperative AS will significantly increase if the ratio of intervertebral height change of the surgical segment after ACDF is over 10%.
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Normal movements of the cervical spine
L. Penning · American Journal of Roentgenology · 1978 · 519 citations
Neck and Shoulder Pain After Laminoplasty
Noboru Hosono, Kazuo Yonenobu, Keiro Ono · Spine · 1996 · 431 citations