What aspect of the body should be palpated to determine if the pelvis is rotated?

Determining whether the pelvis is rotated involves assessing the iliac crest, which is the superior border of the ilium on either side of the pelvis. By palpating the iliac crest, practitioners can gain insight into any disparities in height or alignment between the two sides of the pelvis. A noticeable difference in the level of the iliac crests can indicate rotation, as the higher iliac crest may suggest an anterior rotation on one side. This palpation technique is essential in postural assessments to identify asymmetries that may affect movement quality and body mechanics.

Other options, while relevant to pelvic anatomy, do not provide the most direct indication of pelvic rotation. The PSIS (posterior superior iliac spine) is also important in assessing pelvic alignment but is less primary than the iliac crest in detecting rotation. The pubis and ischial tuberosity are more involved in other assessments related to pelvic stability and function rather than direct markers of rotation. Therefore, palpating the iliac crest is the most effective means to ascertain if the pelvis is rotated.