The lower limb footwork used in the third set of National Aerobics Mass Exercise Standard-the 48th beat is
Step to the left and bend your legs. The lower limb footwork used in the fourth and eighth beats of the third set of National Aerobics Mass Exercise Standard is to step to the left and then bend your legs. Aerobics is a popular and extremely popular sport, which integrates group gymnastics, dance, music, fitness and entertainment.