You are treating a patient who recently underwent a total knee replacement and has difficulty achieving the last 10 degrees of knee extension. You want to use a joint mobilization technique. Which of the following mobilization techniques could help achieve the last 10 degrees of extension?
1. A posterior glide of the tibia on the femur
2. An inferior glide of the patella
3. An anterior glide of the tibia on the femur
4. A medial glide of the patella
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