Best way to stop a leg cramp?

Walk. I get cramps in my legs all the time and it's hard to do but if you can get up and pace the floor a little bit the cramp will start to ease up.

I straighten my feet and curl my toes. It seems to stretch the calf muscle so that it does not cramp. It works for me.

What part of the leg has the cramp?

tequila slammers

Good potassium and calcium intake is beneficial.

knee exercise using a roller

Sometimes drinking water helps.

Relax and rub it out.

Take yoga