Methods Sixteen swimmers (7 males and 9 females) took part in altitude training for nine weeks. The values of VO 2max, BLA, T/C ratio were determined 1 week before altitude training, and 1st week, 2nd week, 3rd week after altitude training.

• 方法 :16名游泳运动员 (男 7名 ,女 9名 )进行为期 9周的高原训练 ,分别在上高原前 1周、下高原后第 1周、第 2周和第 3周测定VO2 max、BLA和T/C值及VO2 max相关指标。