THE EE DISMOUNTED FROM HER BLADE TO PREPARE A JUNCTION BOX TO BE MOVED TO ANOTHER LOCATION. SHE STEPPED IN AN ""OLD"" DRILL HOLE, FELL OVER BACKWARDS AND LANDED ON HER BUTTOCKS, JARRING HER LOWE R BACK AND NECK. ON 7-16 SHE REPORTED TO WORK, AND HER BACK CONTINUED TO BOTHER HER. SHE WAS EWVALUATED AT THE ER WITH A DIAGNOSISOF A LUMBER BACK STRAIN.