Core ♥ Calisthenics Utilize your abilities with full body movements Speedplay and conditioning in the heat, rewarded with ice cream👌 #marathonprep A post shared by John Howells (@john_howells) on Aug 1, 2017 at 2:13pm PDT Discover your core strength Guys try this challenging GIANT set to attack your core. Balance-engage-move. No gym or equipment needed to work on your trunk, runners this will really benefit you! Do as many reps as you can, best not talk. #calisthenics #bodyweighttraining A post shared by John Howells (@john_howells) on Jul 23, 2017 at 6:43am PDT Advertisements Share this:TwitterFacebookGoogleLike this:Like Loading...
