M
IMEPro
Anatomy/Body Parts
Updated March 2026

Knee

Definition

The modified hinge joint formed by the femur, tibia, and patella, stabilized by cruciate and collateral ligaments and cushioned by menisci. Knee injuries are extremely common in workers' compensation and include meniscal tears, ligament sprains, fractures, and progressive arthritis. Impairment is rated under AMA Guides Chapter 17.

Related Terms

Frequently Asked Questions

What is a Knee?

The modified hinge joint formed by the femur, tibia, and patella, stabilized by cruciate and collateral ligaments and cushioned by menisci. Knee injuries are extremely common in workers' compensation and include meniscal tears, ligament sprains, fractures, and progressive arthritis. Impairment is rated under AMA Guides Chapter 17.

How is knee evaluated in a workers' compensation exam?

Knee is assessed during the physical examination portion of a QME or AME evaluation. The examining physician documents range of motion, functional limitations, and any objective findings related to knee to support their impairment rating.