AFAA Personal Trainer Certification Practice Exam

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Study for the AFAA Personal Trainer Certification Exam. Engage with quizzes, flashcards, and multiple-choice questions. Prepare efficiently with hints and explanations to achieve certification success.

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What is the recommended daily intake of protein for a person involved in regular strength training?

0.8 grams per kg of body weight
1.2-2.0 grams per kg of body weight
2.5 grams per kg of body weight
3.0 grams per kg of body weight

The correct answer is: 1.2-2.0 grams per kg of body weight

The recommended daily intake of protein for individuals engaged in regular strength training is generally between 1.2 to 2.0 grams per kilogram of body weight. This range is supported by various sports nutrition guidelines which emphasize the importance of adequate protein intake for muscle repair, recovery, and growth, especially for those who are physically active and undergoing training that induces muscle strain. Strength training creates micro-tears in muscle fibers, and protein intake helps to rebuild these fibers, leading to muscle hypertrophy and strength gains. The lower end of this protein range (1.2 grams) is suitable for those who are involved in moderate strength training, while the higher end (up to 2.0 grams) is recommended for athletes or individuals engaged in intense and frequent strength training sessions. Consuming protein within this range helps ensure that the body has enough amino acids available to support these physiological processes. Intakes above this range, such as 2.5 or 3.0 grams per kilogram, are generally not necessary for most individuals and could put unnecessary strain on the kidneys while also not providing additional benefits for muscle gain. Thus, the range of 1.2 to 2.0 grams is considered optimal for those participating in regular strength training.