Sally is currently jogging 3 times per week for 30 minutes. she has become comfortable with this workout and now wants to increase her workout time. using the principle of progression, sally should increase her time to approximately minutes.

33 minutes

Explanation:

The principle of progression suggests that overload must be increased using frequency, intensity, time and type, when your present routine of exercise is no more felt by your body. Hence since Sally is jogging three times per week for 30 minutes, she could either increase it to jogging same 3 times a week, but instead increase her time by a factor of three to 33 minutes.

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