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Multiple Choice

On a lateral view, you see 80% anterior translation of L5. What would be the Meyerding classification?

Meyerding grading measures how far the upper vertebra translates forward relative to the one below, expressed as a percentage on a lateral view. The categories are: up to 25% slip (Grade I), 25–50% (Grade II), 50–75% (Grade III), 75–100% (Grade IV), and more than 100% or complete slip (Grade V, spondyloptosis). An 80% anterior translation falls in the 75–100% range, so the correct classification is Grade IV.

Meyerding grading measures how far the upper vertebra translates forward relative to the one below, expressed as a percentage on a lateral view. The categories are: up to 25% slip (Grade I), 25–50% (Grade II), 50–75% (Grade III), 75–100% (Grade IV), and more than 100% or complete slip (Grade V, spondyloptosis). An 80% anterior translation falls in the 75–100% range, so the correct classification is Grade IV.