I've been to two physio sessions now. My therapist thinks it is a strained ligament in the 4th metatarsal region. She thinks it was probably because of the pounding it took when one of the guys stomped my foot by accident with a cleat right on that 4th knuckle, pushing it well beyond it's natural downward motion. When she checked that joint for movement it was significantly looser than the neighbouring joints as well as the ones on the other foot.

It does seem that metatarsal support is helping. I can go into the evening with minimal or no pain with it.

So I'm out of commission for another couple weeks doing the towel-scrunching-with-toes exercise as well as picking up marbles with my bad toe.

Any other exercises that I might try to strengthen that area (since ligaments don't "shrink" back)?