Here's Steelers LB James Harrison Pelvic Thrusting 528 Pounds

What are the frick are you talking about it works "weird muscles"? Last time I checked, a professional athlete utilizes their entire body for their respective sport. Also, how the frick is the bench press a natural athlete? Even powerlifters will tell you that it has little to know practical application in regards to functional strength. Also, it's called a glute bridge. It's accessory movement for any explosive lower body movement that strengthens the glutes and hamstrings and aids in hip drive. But sure, keep on talking out of your ass...

Dammit, why can't we edit comments here? Chicken, get on that please.

Are you serious? Weird muscles this all about explosion of the hips dude, if you know anything about football or sports in general you use your hips a lot. Most people who are extremely explosive have strong hips and tourque to their body. Just stop.