"Torso"--as it relates to Charging

[bas2456]

How loosely do you define "torso" when officiating this play?

A1 catches a pass near the wing and starts a diagonal cut across the lane and toward the basket with the ball. B1 is standing in the lane with her arms straight up. B1 isn't 100% square with A1. A1 contacts B1 as she goes up for a shot and B1 falls down.

How likely are you to have a PC foul on this play, if I've described it well enough for you to imagine? The rule says that contact must be on the "torso", so I guess it's what you consider to be the torso, right?

I passed on this play last night, as B1 did nothing wrong and I had the contact on the shoulder vs square on the torso.