The movements of aerobics are composed of single movements, which come from unarmed gymnastics, rhythmic gymnastics and dance. Bare-handed gymnastics is the most basic content of aerobics, which consists of the basic movements of head and neck, upper limbs, chest, waist and lower limbs, such as flexion, extension, rotation, winding, lifting, swinging and vibration. Only by mastering the movements of unarmed gymnastics correctly can it be possible to coordinate and accurately complete aerobics movements. There are great differences between unarmed gymnastics and aerobics in their completion methods, mainly in rhythm, direction, route and modeling. Because of the novel and unique hand shape and step shape, especially hip movements, aerobics movements are more colorful. Wave action is a typical action of rhythmic gymnastics. In addition, swing, circle, flexion and extension, balance, turn, jump, dance steps and approximate skill movements are also the contents of aerobics movements. Rhythmic gymnastics unarmed exercises can not only cultivate people's aesthetic feeling, but also effectively enhance their physical fitness, improve coordination and increase the difficulty value of complete sets of movements. Competitive aerobics-six-person aerobics