This calculator uses equations developed to predict1-3 the maximum
stats attainable by a drug-free, "natural" male lifter. The equations are based on the
lifter's height, and wrist and ankle circumferences. To use the calculator, enter the
circumference of your wrist just below the styloid process (towards your hand, not your
elbow). Note that the styloid process is the bony lump on the outside of your wrist.
Next, enter the circumference of the smallest part of your ankle. Finally, enter your
height in inches and click on the Calculate button. The calculator will return maximumal
stats that are you are predicted to gain after years of training as a natural.
[1] Willoughby, David P., "The Super Athletes," New York: A. S. Barnes and Co., 1970.
[2] Rasch, Philip J., "Weight Training," Dubuque, IA, U.S.A.: Wm. C. Brown Publishers, 1979.
[3] Butt, Casey "Your Maximum Muscular Bodyweight and Measurements," The WeighTrainer Magazine, Issue No. 3.
