During a football game a player is tackled. His foot becomes…

During a football game a player is tackled. His foot becomes tangled in a heap of players and is held in place while his body is forced backward in increasing flexion at the knee. His forward momentum continues to move the distal femur forward in spite of the fact that the tibia has stopped. He will likely sustain damage to which ligament?

While sitting at a red light, a patient was hit from behind…

While sitting at a red light, a patient was hit from behind causing their head to strike the windshield into extreme extension, causing whiplash. Fortunately, they sustained ligament damage rather than a spinal cord injury. Which of these was most likely involved during this accident?