Video The Duration of Hand-to-hand Fighting0Comments by Alex Ivanov In this video Alexey Alexeevich Kadochnikov tells about an approximate duration of hand-to-hand fighting depending on stamina and force of a person. Facebook Twitter Digg Tumblr hand-to-hand fight personal safety technique russial martial art systema Alex Ivanov Leave a Reply Cancel ReplyYour email address will not be published. Δ