1. Adjust body position: lean forward

When standing upright, the action curve of the lateral raise is the same as the force curve of the trapezius muscle (lifting up), so it is easier to unconsciously involve the trapezius muscle. You should adjust the body posture and lean forward, as if When preparing for a squat, lean forward with the upper body so that the middle deltoid line of force is perpendicular to the ground and the training weight is more concentrated on the shoulders.

2. Correct Action Concept: Parabolic Trajectory

During the whole movement, the hands should extend as far as possible to the floor and the left and right sides of the body, in other words, toss outwards. Imagine that you are using dumbbells to draw a semi-circle instead of lifting it up, so as to avoid oblique angles as much as possible. , The levator scapularis involved in compensation.