Marquis et al developed an equation to estimate the cross-sectional muscle area of an adult based on the patient’s age, gender and anthropomorphic measurements. The authors are from the University of Laval in Quebec.
Parameters:
(1) gender (male = 1, female = 0)
(2) circumference of the mid-thigh in centimeters
(3) quadriceps skinfold thickness in millimeters
estimated mid thigh muscle cross-sectional area in square cm =
