A typical aerobics class runs about 45 minutes and includes warm-ups, aerobics, stretching, and a cooldown, in that order. In addition to aerobic exercise, aim for two sessions per week of strength training. For an aerobics class, a properly fitted aerobics shoe is recommended. These shoes may also be worn for walking, but a shoe primarily designed for walking or running may hold the foot too rigidly for aerobic movements. Consult your physician if exercise results in chest pain, dizziness, cold sweats, extreme breathlessness, or very rapid heart rate that lasts longer than five to 10 minutes after stopping activity, Blum says.
Moderate exercise is better for everyone, no matter what age.
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