muscle workouts [WATCH]: Box Jumps "60 Seconds on Muscle" Leg Exercises Bodybuilders Muscles MuscleTech Bodybuilding Workout
October 22, 2013 by: joma12
60 Seconds on Muscle Series: Box Jumps. Box jumps, as demonstrated by celebrity trainer Marc Megna, is a great leg exercise for developing explosive leg stre…
Republished by Blog Post Promoter