Which of the following correctly states PLS restrictions?

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PLS restrictions describe a pattern where motion is limited across three directions in a coordinated way: flexion is restricted, and rotation and lateral bending are restricted to the same side. Here, the left side is the restricted direction for both rotation and lateral bending, while flexion is also restricted. This combination makes sense because, in the lumbar region, rotation and lateral bending are coupled to the same side, and when the posterior-lateral structures on the left are involved, they limit flexion as well as these coupled motions. The result is a cohesive pattern: restriction in flexion, left rotation, and left lateral bending. Other patterns would show restrictions in different directions or on the opposite side, indicating a different restriction pattern rather than PLS.