[Barbell Half Squat] mainly exercises the thighs and buttocks. Choose the weight that suits you, choose the "carrying barbell" method, slowly bend your legs from upright to half squat, and finally return to the upright state. If you are not confident in your leg muscles, you can find a friend to help protect you. In addition, if you feel a lot of pressure on your neck, you can put a towel around your neck, which will relieve some pain in your neck.