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The fitness movement that began in the late 1960s and early 1970s centered around aerobic
Historically, most physical-fitness tests have usually included measures of muscular strength and endurance, not for health-related reasons, but primarily because such fitness components have been related to performance in athletics. However, in recent years, evidence has shown that training programs designed primarily to improve muscular strength and endurance might also offer some health benefits as well. The American College of Sports Medicine now recommends that weight training be part of a total fitness program for healthy Americans. Increased participation in such training is one of the specific physical activity and fitness objectives of Healthy People 2000: National Health Promotion and Disease Prevention Objectives.
The word "spas" (Para. 1) most probably refers to ______.
A.sports activities
B.places for physical exercise
C.recreation centers
D.athletic training programs
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