A Man Is Sitting on a Chair

Multiple Choice

A man is sitting on a chair.He brings himself up into a standing position.His tibiofemoral joint moves from a flexed position to full extension during the maneuver.Which of the following best describes what is happening at the tibiofemoral joint during this maneuver? Think in anatomical terms.

A) Anterior glide of the proximal tibia on the distal femur
B) Posterior glide of the proximal tibia on the distal femur
C) Anterior glide of the distal femur on the proximal tibia
D) Posterior glide of the distal femur on the proximal tibia