Which step involves pre-setting the goniometer to the estimated ROM?

• A. Pre-set the goniometer to the estimated ROM
• B. Return the extremity to resting position
• C. Repeat PROM to end range
• D. Explain ROM test to patient and obtain consent

Answer: (A)

Setting the goniometer to the estimated ROM establishes a close starting point and proper alignment before you move through the joint’s range. By positioning the instrument near the expected end range, you minimize the amount of adjustment needed during the movement, which reduces measurement error and makes the final reading more accurate when you reach end range.

The other steps play different roles: returning the limb to resting position resets the setup between measurements, explaining the test and obtaining consent is about patient communication before testing, and repeating PROM to the end range is about confirming reliability and variability of the end range rather than establishing the initial measurement setup.