Box Jump Warm Up Box Jump Warm Up1 Minute Bootstrappers 1 Minute Calf Stretch (L)1 Minute Calf Stretch (R)1 Minute Russian Kettlebell Swings15 Reps Jumping Air Squats10 Reps Alternating Box Step Ups5 Reps Box Jump Step Downs5 Reps Box Jumps Warm UpMIranda AlcarazJuly 7, 2018Box Jump Warm Up Facebook0 Twitter LinkedIn0 StumbleUpon Reddit Tumblr Pinterest0 0 Likes