Whenever I start running, after 5 days in the bone below the knee it start paining, in that bone's lower half. But underside only. But after 30 min of rest it stops completely but when I push that area with finger then I feels pain or whin I sit as doing poop in indian style toilets it start pa8ning again. But when I walk it didn't feel that much. My wt is 71 kg, hight 169 cm and age 26.