Few guidelines for different stages are:
(a) Regular physical activity helps to improve overall health and fitness and reduces the risk of many chronic diseases.
(b) Physical activity in infants and young children is necessary to healthy growth and development. Children younger than 6 should be physically active in ways appropriate for their age and stage of development.
(c) Young people need to do three types of physical activity each week: Aerobic exercise and exercises to strengthen bones and muscles.
(d) The amount of physical activity you need to do each week in determined by you age.
(e) Shift the activity step by step as per your age from light exercise to moderate and then Vigrous.
(f) Atleast 45 min to one hour of physical activity is everyday recommended.
(g) For adolescents, on three days a week, these activities should involve exercises for strong muscles, such as push ups and exercises for strong bones, such as Jumping and running.
(h) List of activities include cycling, running, swimming, gymnastics, aerobics, brisk walk, skating, football, martial arts etc.
(i) At the age group 16-18 years and beyond can include resistance exercises with weight or dumbells.