Reconstruction 101 Practice Test

The angle of the LEGION jointline in the frontal plane is _____ degrees.

0 Degrees -1 Degree 1 Degree 2 Degrees

Correct Answer:

1 Degree

Explanation:

A knee joint line in the frontal plane is not perfectly flat in most people; there’s a tiny natural tilt due to how the femur and tibia align. This near-neutral alignment typically shows about one degree of obliquity. That’s why the best answer is a small tilt of around 1 degree—it reflects the common, normal slight incline seen in many individuals. A perfectly flat joint line (0 degrees) is less realistic for most anatomy, while a tilt of −1 degree or 2 degrees represents a bigger deviation from what’s usually observed and isn’t considered normal variation.

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