4 years agoBlue Collar Conditioned Strength - 20 - 100 lb Heavybag But Wrench Slams / 90 Seconds Horse StanceJohnnyGrube
4 years agoOld School Core Strength - Old School Weighted Isometric Leg Raise And 100 Flutter Kicks.JohnnyGrube
2 years agoIsometric Type Workout: 5 Second Squat And Pushup Hold For 1 Minute Keeping Tension On The Muscles.JohnnyGrube