i work with this crazy pt...she was having her 70 year old client doing 1 legged squats on a box sitting down onto another smaller box...the poor guy was wobbling all over the place...almost fell to his death
WE had one at my gym have this older, heavy , guy ; doing lunges,WALKING UP THE STAIRS!!! with a fixed wt barbell on his back ( about 50 lbs ) . He was walking behind the guy as if to spot him and the guy was all wobbly.
Had the guy fell back he would have caused the trainer and him to just tumble down with barbell clanking.
I quietly took the gym manager aside and told him about this lawsuit waiting to happen.
He actually ran in, and pulled the trainer aside and made him have the guy do the lunges on the floor.
The trainer was pissed, but I think he realized he dodged a bullet.