Your May 18 letter to Mr. Jim Knorpp, the Occupational Safety and Health Administration (OSHA) Area Director for Fort Worth, was forwarded to this office for response. I apologize for the delay in replying to your inquiry as to OSHA's interpretations of the terms certified and qualified as used in ANSI standards for aerial lifts.
Pole bending. Pole bending is a timed event that features a horse and one mounted rider, running a weaving or serpentine path around six poles arranged in a line.
Harness racing horses are of two kinds, differentiated by gait: the pacing horse, or pacer, moves both legs on one side of its body at the same time; the trotting horse, or trotter, strides with its left front and right rear leg moving forward simultaneously, then right front and left rear together.