In the Sitting Flexion Test, the physical therapist monitors the movement of which anatomical landmark?

The Sitting Flexion Test is used to assess the mobility of the lumbar spine and the pelvis during bending. In this test, the physical therapist closely monitors the movement of the posterior superior iliac spine (PSIS).

As the patient flexes forward while seated, the PSIS provides a consistent anatomical landmark that helps in evaluating asymmetries between the two sides of the pelvis. If one PSIS moves significantly more than the other, it may indicate unilateral restriction or dysfunction in the lumbar spine or pelvic region. This allows the therapist to identify potential areas of concern that may require further assessment or intervention.

The other anatomical landmarks mentioned do not provide the same reliable indicators of pelvic and lumbar mobility in this specific test context. Thus, focusing on the movement of the PSIS is crucial for accurately interpreting the results of the Sitting Flexion Test.