<prompt> Part of the orbit that fractures in blow out fracture of orbit isLateral wallFloor of the orbitSuperior wallMedial wall  <response>: The weakest plate of bone, most commonly the orbital floor, fractures, and the orbital contents herniate down into the maxillary antrum. This soft-tissue herniation may lead to muscular dysfunction, particularly the inferior oblique and inferior rectus, leading to failure of the eye to rotate upwards. 