Charley Horse on Superman?

This question is for the readers… or perhaps a doctor. I love Superman: Ultimate Flight… until the pretzel loop. Having been on both the Great America and Georgia coasters multiple times over the past few years, I think it has something to do with me. At the top of the pretzel loop, I always get a Charley Horse in my leg. That muscle spasm lasts for the duration of the ride so I’m unfortunately not able to enjoy it as much as I would if I were free of pain.

This is a random question, but has anyone else ever experienced this? Since I first rode Superman: Ultimate Flight and fell victim to the annoying problem, I’ve tried to increase my potassium intake before a trip to ride Superman, thinking that would prevent my muscles from cramping, but I’ve not been successful in preventing the painful spasms. If you’ve ever run into a problem similar to mine, do you have any tips on how to prevent it from happening? I’m riding Manta in the summer – I’m hoping I’ll be able to ride it pain free!