Originally Posted by el borracho
- more of a struggle than subsequent reps
- bar drags on shins and/or knees more than subsequent reps
- knees feel less stable than subsequent reps
Biggest is that most people jerk the weight on the first rep, instead of tightening everything first and learning to squeeze the bar off the floor. Also likely that you also aren't pushing the knees back, instead you are pulling the bar forward around the knees.