. Stature was measured to the nearest 0.1 cm using a stadiometer (Harpenden model 98.603, Holtain LTD, Crosswell, UK). A portable balance (SECA model 770, Hanover, MD, USA) was used to measure BM to the nearest 0.1 kg. Skinfold thickness was measured at two sites (triceps and subscapular) to the nearest 1 mm using a Lange calliper (Beta Technology Incorporate Cambridge, MD, USA). A non-invasive equation recommended for male adolescents12 (link)
was used to determine body fat expressed as a percentage of BM (%FM). Subsequently, fat mass (FM) and FFM in kg were derived.