Painful, paralysing and PB-unfriendly, cramps can strike at any time. "There's no one definitive cause," saysDr Steve Ingham, head of physiology at the English Institute of Sport (eis2win.co.uk). Research in the Muscle & Nerve Journal shows

, and as you will probably be aware, healing occurs in two stages. Initially a thickened, inflexible scar join forms with nerve endings that rebel if stretched – causing pain. Only later does the scar tissue become more flexible and adapt to movement – so

shoes aren't too tight. Morton's neuroma A neuroma is a nerve inflammation, and Morton's usually results in pain between the third and fourth toes. The causes aren't fully understood, but tight shoes tend to worsen the pain since they put pressure

wool ball and tape it under the painful area, then I can run marathons with no pain at all. See full thread... and can relieve toe painYentz boogman - Numb feet can be caused by Morton's Neuroma, where the nerves in between the toes get pinched