The present invention relates to methods and devices for measuring themusculature of animal. In some embodiments,the musculature of the animal is measured using by generating traces of theanimal using a flexicurve ruler and comparing the traces toa reference and/or previous traces of the animal. The methods can be used toimprove an animal's musculature by evaluating the muscledevelopment of the animal and changing the animal's diet or exercise regimebased on the results of the evaluation.
