Assertion: knee | /r/HasProperty | straightened
Facets:
Source sentences:
text: As the knee is straightened, the lateral plateau of the tibia reaches full extension before the medial side does; thus the tibia rotates externally on the femur (with the medial plateau continuing to extend, whereas the lateral plateau is motionless).
text: The patella slides up and down in a groove in the femur (the femoral groove) as the knee is bent and straightened.
text: In the knee joint, the anterior cruciate ligament is taut and the posterior cruciate ligament is loose when the knee is straightened, and the reverse occurs when the knee is bent.