i used these two sources. are they accurate?
lean mass: Calculate Your Lean Body Mass!
calories burned: Calorie Know-How: Get The Equation Right To Get Results!
how many extra calories should i add for workout days?
this right?
Athletes should increase their total caloric intake by 250-500 calories per day to gain weight.
and this?
Athletes should decrease their total caloric intake by 500 calories per day to lose 1 pound in 1 week.
how do i know what my metabolic rate is when i'm working out?