Intermediate Level Cudgel Form 四段棍术 (Si Duan Gun Shu) Wushu The 4th Duan Cudgel Form (Si Duan Gun Shu) is an Intermediate Cudgel Wushu routine consolidated by the International Wushu Federation. Join us for a free trial class. Get A Free PassGet A Free Pass Your name (required) Your email (required) Your phone number (required) Pick a class (required) ---WushuTai Chi