3. According to the principle of regularity, it is recommended that an individual exercise O 3-4 days per week at the beginning and progress to 4 or 5 days a week as your fitness improves.

7 days per week at the beginning and progress to 4 or 5 days a week as your fitness improves.

O 3-4 days per week at the beginning and progress to 7 days a week as your fitness improves.

1-2 days per week at the beginning and progress to 5 or 6 days a week as your fitness improves.