Possible Trish Stratus rib tickle from old Sunday Night Heat episode.

[jklopez]

https://streamable.com/xfiu7g

It may be iffy, but it looks more like a genuine ticklish reaction rather than her attempting to sell pain.

 

[myway123]

Looks like could be to me.

 

[erik1009]

Don't think so. It's more of a flinch from pain. She's supposed to be hurt so her ribs are tender to the touch.