7Acheson R M, Vicinus J H, Fowler G B. Studies in the reliability of assessing skeletal maturity from X-ray Part Ⅲ. Greulich-Pyle atlas and Tanner-Whitehouse method contrasted[J]. Hum Biol, 1966, 38: 205-218.
8Greulich W W, Pyle I S. Radiographic atlas of skeletal development of the hand and wrist [ M ]. Stanford, California: Stanford University Press, 1959:35-36.
9Tanner J M, Healy M J R, Goldstein H, et al. Assessment of skeletal maturity and prediction of adult height (TW3 method) [M]. London: W B Saunders, 2001:3-4.
10Healy M J R, Goldstein H. An approach to the scaling of categorized attributes [ J ]. Biometrika, 1976, 63:219-229.
4Malina R M, Bouchard C, Bar-Or O. Growth, maturation and physical activity (2nd edition)[M]. Champaign, IL: Human Kinetics, 2004: 115-126.
5Zwierko T, Lesiakowski P, Florkiewicz B. Selected aspects of motor coordination in young basketball play- ers [J]. Human Movement, 2005, 6(2): 124-128.
6Elferink-Gemser M T, Visscher C, Lemmink P M, et al. Relation between multidimensional performance characteristics and level of performance in talented youth hockey players[J]. Journal of Sport Sciences, 2007, 22(11): 1053-1063.
7Elferink-Gemser M T, Visscher C, Lemmink P M, et al. Multidimensional performance characteristics and standard of performance in talented youth field hockey players-a longitudinal study[J]. Journal of Sport Sci- ences, 2009, 25(4): 481-489.
8Carel J C, Leger J. Precocious puberty[J]. New England Journal of Medicine, 2008,358(22). 2366-2377.
