Originally Posted by
Lemond1985
I had some quad cramping few weeks ago, tried the TUMS and pickle juice, no effect. Mine came on suddenly at the beginning of the ride, on a bike whose fit I was in the process of adjusting, and the seat was too far forward, IIRC. I had walked up and down 4 flights of stairs earlier that day, and suspect that had something to do with the cramping (especially walking down the stairs).
Pain originated in the areas circled in red, FWIW, YMMV:
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Do it again and I'll post my varicose veins.