The slow-motion course of subject 3 dance includes basic posture, foot position, basic steps and movements, and slow-motion skills. The basic posture should be straight head, straight neck, relaxed shoulders, straight body and center of gravity between feet. Foot position has natural position, positive position, eight-character position and T position. Basic dance steps and movements should be steady and rhythmic, dance movements should be coherent and smooth, and attention should be paid to posture and expression. Slow-motion skills include practicing at a slower speed and breaking down complex movements into simple ones.