Weight training in youth-growth, maturation, and safety: an evidence-based review. (Malina, 2006) Efficacy of strength training in prepubescent to early postpubescent males and females: effects of gender and maturity. (Lillegard ofl, 1997) Strength training and the immature athlete: an overview.(Metcalf & Roberts, 1993) The effects of hydraulic resistance strength training in pre-pubertal males.(Weltman ofl, 1986) Þetta er bara fyrstu greinarnar sem ég fann í 5 mínútna leit. Þær skipta...