Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to tone your body at home [title] Find out how much exercise you need. [step] To be physically fit, most adults need approximately 150 minutes of moderate cardiovascular activity a week, or 75 minutes of vigorous activity. Along with cardio, adults should also engage in strength training or resistance exercises two to three times a week.

Ending1: [substeps] Walking, jogging, rowing, swimming, and biking are all great pre-workout options. Ask your doctor and physical therapist if these types of activities are appropriate for you so you can manage your weight. Ending2: [substeps] For adults between the ages of 35 and 25 , 75 to 275 minutes is enough or within the conservative range of 150 to 175 minutes. People between the ages of 44 and 65 might need to do up to 150 minutes a week during exercise month. Ending3: [substeps] Ask your primary care physician for advice before you begin your workout plan, as he or she might provide specific recommendations based on your age, weight, and level of physical fitness. Make sure you know why you want to get toned and to start an exercise habit. Ending4: [substeps] High-intensity cardio aerobics burns around 150 minutes per week, whereas cardio is more vigorous. If you are struggling to maintain your weight, try to keep your cardio and resistance stable.

Answer format: ending1/ending2/ending3/ending4