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Medical Terminology
Updated March 2026

Goniometer

Definition

A measuring instrument used by physicians to quantify joint range of motion in degrees, essential for impairment ratings under the AMA Guides range of motion method. Accurate goniometric measurements of joint angles in flexion, extension, and rotation are required for calculating extremity and spinal impairment percentages.

Related Terms

Frequently Asked Questions

What is a Goniometer?

A measuring instrument used by physicians to quantify joint range of motion in degrees, essential for impairment ratings under the AMA Guides range of motion method. Accurate goniometric measurements of joint angles in flexion, extension, and rotation are required for calculating extremity and spinal impairment percentages.

Why is goniometer important in workers' compensation?

Goniometer is a key medical concept in workers' compensation evaluations. Understanding this term helps physicians document findings accurately and helps attorneys and adjusters evaluate the medical aspects of a claim.