During your eval of a Pt complaining of neck pain you find a decrease in flexion & extension. What structure typically has the greatest movement in flexion & extension? A. Occipital condyles B. Atlanto-axial joints C. C3 D. C5 E. C7 {Ans: Correct: Answer A: Most of the flexion & extension at the C-Spine stems from the occipito-atlantal (OA) joint. Specifically, it is the movement of the occipital condyles on the atlas. Approximately 50% of all the flexion & extension in the C-Spine stems from this joint. Answer B: The atlanto-axial (AA) joint's primary motion is rotation. Answer C, D & E: The lower cervical division C2-C7 has varying degrees of all directions, however there is less flexion & extension at these joints compared to the OA joint.}A 19 YO male w/ no Hx of past medical illness comes to your office w/ neck pain. Active neck ROM reveals painful R rotation to 45 degrees, & painless L rotation to 90 degrees. Which of the following statements is true regarding this Pt's ROM? A. Since the Pt has limited R rotation he likely has limited L sidebending B. Since the Pt has limited R rotation he likely has limited