FIGURE 1. Reference points for arm volume and circumference measurements were marked with the elbow at a right angle and the shoulder in the anatomic position. MP, midpoint between the lateral epicondyle of the humerus and the acromion of the shoulder; C-15, 15 cm above the lateral epicondyle of the humerus; F-MP, midpoint between the tip of the ulnar styloid process and the lateral epicondyle of the humerus; C-10, 10 cm below the lateral epicondyle of the humerus.