‘knee’ region

4-bar bionic knee joint

4-bar linkage knee

above knee amputation

above-knee amputation (AKA)

Above-Knee prosthesis

above-the-knee boots

abutmentless knee-bracing rigid bridge

Acquired absence of leg above knee

Acquired absence of leg at or below knee

acute knee

Acute Suppurative Knee

American Hospital for Special Surgery scoring on knee joint

Anchylosis of knee joint

Ankylosis of knee

anterior knee pain

apparatus of extention knee

arch knee

arise from kneel on one knee

around the knee joint