Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Sports and Physical Education
Over 2100 on amazon. com, with an average rating of 4.5! The nation's best and long-selling self-weight muscle training book has finally arrived in Japan. As a special operations training specialist for the U.S. military, a training program by Mark Lauren who used his own weight to train nearly 1,000 elite soldiers in the Air Force Special Operations Unit, the Rush'n Attack and the Navy Seals.