Basic shoulder exercise (deltoid muscle) - Barbell shrug
Action description:Hold the barbell in both hands and droop in front of the legs, use the contraction force of the trapezius muscles to lift the Lift the force upward until the shoulders are hunched close to the ears, so that the trapezius muscle is at the "peak contraction", pause for a moment, and then slowly restore it by controlling the tension of the trapezius muscle
