From a weight-management perspective, what exercise regime is recommended to prevent regaining lost weight? Group of answer choices At least two 20- to 30-minute training sessions of moderate intensity per week At least three 20- to 30-minute training sessions of low intensity per week At least five 45- to 60-minute training sessions of low intensity per week At least five 60- to 90-minute training sessions of moderate intensity per week At least five 60- to 90-minute training sessions of vigorous intensity per week