Athena can only get so far from Wash before she has to stop - there's a limit to the tether that keeps her here, and it's connected to him - and she's quickly running out of space. She has to do something, or he's going to get away.

So she bunches her legs under her, leaps, and barrels square into Idia's back, right between his shoulder blades, in an attempt to send him sprawling. Stay put, nerd! Her partner wants to talk to you!