Aerobics is a popular and popular sport that integrates group gymnastics, dance, music, fitness and entertainment.

Aerobics absorbs a lot of movements of upper and lower limbs, trunk, head and neck and feet in disco, jazz dance and break dance, especially hip movements, which adds vitality to aerobics, helps to reduce the accumulation of fat in buttocks and abdomen, and improves the coordination and flexibility of movements.

There are many hand types of aerobics, which are absorbed and developed from ballet, modern dance, disco and martial arts. Hand shape is the extension and expression of arm movements. If used well, it will make aerobics movements more colorful, lively and infectious.

(1) convergence type: the five fingers are straight and close. The thumb is slightly bent and the knuckles are attached to the index finger.

(2) Separate type: the five fingers are forcibly straightened and fully opened.

(3) Ballet hand type: the five fingers are slightly flexed, the last three fingers are close together, slightly adducted, and the thumb is buckled.

(4) Boxing style: clench fist, thumb outward, knuckles bent, forefinger and middle finger close.

(5) Upright palm type: the five fingers are straight and the palms are forced upward.

(6) Spanish dancer's hand type: five fingers exert force, the little finger, ring finger and middle finger bend from the metacarpophalangeal joint in turn, and the thumb is slightly buckled.

(7) Fancy: On the basis of (2) separation, the little finger bends back to the palm to the maximum extent, and the ring finger bends back with the little finger.