put some muscle into it

Rod set his jaw and put some muscle into it.

The brake lines were cut, so it'll roll the other way if we put some muscle into it.

In order to gain leverage, the doctor loomed from above and leaned in hard, put some muscle into it.

Put some muscle into it!

He sanded the bottoms of my feet with a wooden paddle, putting some muscle into it, and then buffed the nails with a roll of chamois.

"GET READY JACK, I'M GONNA PUT SOME MUSCLE INTO IT."