(School of Physical Education,South China Normal University,Guangzhou 510006,China) Abstract: By measuring the change of indexes such as VO2max, LT, VT, HR and VE of female cyclists in Guang-dong before and after 4-week intensified aerobic training, the authors observed the change of aerobic stamina, and revealed the following findings: 1)there were no significant changes in VO2max and VT (P>0.05); 2)before and after training, VO2max, LT and VT were significantly correlative with HR (P<0.05); 3)at VT and LT, the correlation with HR was significant; the coefficient of correlation was -0.592 (P<0.05); the regression equation is Y (HR at LT)=218.120-0.343 x (HR at VT). Conclusions: 1)4-week aerobic stamina intensified training (LT strength) failed to significantly improve the levels of VO2max and VT of the female cyclists; 2)controlling training intensity by means of HR is scientific and rational; 3)HR at VT measured in a laboratory needs to be calibrated before it is used in ac-tual training. Key words: sports physiology;VO2max;LT;VT;Cycling |