Been having chronic foot cramps - large toe bends down. Pullin up relieves cramp, but usually will go back to down position if let go. Painful, but not severe, episode lasts for a minute or so. Potassium? Advice on remedies to look for!
It could be related to a disc in your back that is pressing on a nerve that controls that muscle. It would be lower lumbar area. Have you had any back issues? Done anything to your backz? Slipped and fallen? Run into something?