2 years agoIsometric Knuckle Pushups 5 Second Pushup Plank, 5 Second Mid Pushup Hold 40 LB Weight Vest 1 Min.JohnnyGrube
2 years agoIsometric Type Workout: 5 Second Squat And Pushup Hold For 1 Minute Keeping Tension On The Muscles.JohnnyGrube
2 years agoIsometric Knuckle Pushups / Leg Raise Body And Mind Toughness Builder. No Training Equipment Needed.JohnnyGrube