Push from the heels of your feet only & Never push thru your toes and…
Squeeze your butt muscles HARD for at least 2 seconds at the top of each rep but…
If you're using extra weight
then you really don't have to
squeeze and hold your butt at the top of each rep since the extra
weight will make your butt workout intense so if you're not going to use any extra weights…
Then make sure you do squeeze and hold each rep at the top for 2-to-5 seconds to get a good intense butt workout
and…
Do 4 sets of 10-to-20 reps if you're going to do this without using any extra weights or…
Do 4 sets of only 8-to-12 reps if you're going to use extra weight and…
Anything that you can place on your lap can be used as extra weight for this butt exercise plus…
Here's other butt exercises that'll only work your butt muscles…