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16名少年男子篮球运动员分为两组 :实验组 (n =8)使用肌酸、蛋白粉及中药 ,时间为 1月 ;对照组 (n =8)不使用营养补剂。受试者每周 5日进行长跑及篮球训练。结果显示 :口服肌酸、蛋白粉等营养补剂实验前、后血清IGF -II和IGFBP - 3浓度无明显变化 ,表明血清IGF -II和IGFBP - 3不易受运动营养补剂的影响。口服肌酸、蛋白粉等营养补剂实验前、后 ,IGF -I与IGF -I/IGF -II和IGF -I/IGFBP - 3比值呈高度显著性正相关。 1月实验观察 ,两组少年运动员实验前后进行自身对照 ,血清IGF -I浓度明显增加 ;两组实验前、后分别相比较 ,血清IGF -I浓度无显著性差异
Sixteen young male basketball players were divided into two groups: experimental group (n = 8) used creatine, protein powder and Chinese medicine for 1 month; control group (n = 8) did not use nutritional supplements. Subjects run long-distance running and basketball on the 5th of each week. The results showed that serum creatine, protein powder and other nutritional supplements did not change significantly before and after the experiment, indicating that serum IGF - II and IGFBP - 3 are not easily affected by sports nutrition supplements. Oral creatine, protein powder and other nutritional supplements before and after the experiment, IGF-I and IGF-I / IGF-II and IGF-I / IGFBP - 3 ratio was highly significant positive correlation. January experimental observation, two groups of juvenile athletes before and after the experiment to control their own, serum IGF-I concentration was significantly increased; two groups before and after respectively compared serum IGF-I concentration was no significant difference