Jump Rope Battle Wound Dustin Hartzler Blog December 21, 2015 1 Minute In today’s CrossFit workout one of the moves was double unders, which is jumping rope while swinging the rope around twice. Not sure how I managed to hit my forearm with a miss; pretty sure I’ll never do that again! Share this:TwitterFacebookLinkedInPocketLike this:Like Loading... Related Published by Dustin Hartzler View all posts by Dustin Hartzler Published December 21, 2015