Grasp barbell from rack or clean barbell from floor with overhand grip, slightly wider than shoulder width. Position bar chest high with torso tight. Retract head back.
Dip body by bending knees, hips and ankles slightly. Explosively drive upward with legs, driving barbell up off shoulders, vigorously extending arms overhead. Return to shoulders and repeat.
Exercise can be completed with a barbell, dumbbells/kettlebells and sandbag.