+ For maintenance, males will usually need an intake of approximately 20 calories per pound of body weight per day and females will need approximately 17 calories per pound. So a 180 lb male athlete will need a daily intake of about 3600 calories for maintenance and a 100 lb female athlete needs about 1700 calories.
+ Generally speaking, an intake of between 24-27 calories per pound is needed for building muscle mass.
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