When Steve threw her off, she twisted her body as soon as she hit the mat, so she could roll into a position to get back onto her feet.

And of course, once she got back on her feet, she was at it again, charging him. Lightning had her fist up in mimicry of a punch, but that's all it was. If it connected, it wasn't going to be strong. She was just expecting him to either dodge or block and if he did, she'd follow it up with a kick.