[Side Curl] Mainly trains the brachialis and forearm muscles

[Side Curl] mainly trains the brachialis and forearm muscles. Action: Sitting (or standing), hold a dumbbell in each hand hanging by the side of the body, palms facing each other, upper arms close to the side of the body, with the elbow joint as the fulcrum, curl upward to the highest point with force, pause for a moment, and then slowly return. Tip: Both arms can be done at the same time or alternately.