We have an insurance rep that comes in to give us tips/advise on safety. To my surprise, 1 of these insurance reps & my sup stopped on my route the other day as part of an observation they were performing on me. I must say I was a little upset that a non-UPS employee is going on observes with my mngmnt team although I was explained to later that the insurance rep was only with mngmnt to train them on how to make observes more positive that just all negative with discipline ta boot. Anyway I took the time to ask this LM rep where power zone ends & end range motion begins giving the example of grabbing the handrail leaving a pkg car. Even for a slight second everyone's arm is bent back out of "power zone" till your feet touch the ground. The LM rep told me this is not end range motion & I argued how you could still be in your power zone in this position. Needless to say the LM rep became so frustrated with my argument that he lost his biz like composure & exaggerated my examples & said in frustration "I don't know why you guys have to get so technical?!" it's apparent he doesn't realize what company he is dealing with nor has sat with an employee who has been thoroughly integregated after reporting an injury. Ironoic enough I had sustained a shoulder injury in prior weeks to this encounter which UPS dubbed as an end range motion injury & I've been calling a wear & tear injury.