The Physical Activity Guidelines for Americans provide guidelines specifically for older adults. Which of the following is one of these guidelines?
Multiple Choice
a. To maintain lean tissue and basal metabolic rate, strength training should be performed 5 to 7 times per week.
b. Stretching each major muscle group should accompany aerobic or strength training at least 5 days per week.
c. For those over age 55 who are at risk for falling, physical activities that improve endurance are recommended.
d. All adults should engage in moderate-intensity aerobic physical activity for at least 150 to 300 minutes per week, vigorous-intensity aerobic activity for 75 to 150 minutes per week, or an equivalent combination of the two.