Mike: So, according to a study, the step-up exercise is the best exercise to activate your gluteus maximus muscle. Now this study also looked at other common exercises, including hip thrusts ...

Read what happened when one fitness writer did 50 weighted lateral step-ups every day for one week, plus the benefits of the leg exercise, and how to do it yourself.

I sensed a challenge, and my senses were correct. Here’s what happened when I added 50 lateral step-ups daily to my exercise routine for one week.