1, action difference: 20 19 version of popular aerobics pays attention to physical strength, flexibility and coordination, and the actions are mostly aerobic exercise, muscle training and stretching. The third set of popular dance is more inclined to dance elements, emphasizing the harmony of music and the fluency of dance movements.

2. Style difference: The style of the 20 19 version of popular aerobics is biased towards fitness, emphasizing the effect of exercise and the shaping of the body. The third set of popular dance pays more attention to the beauty and expressiveness of dance, with elegant and smooth movements and diverse dance styles, and there will be elements such as Latin dance and jazz dance.