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目的:观察点压肾俞穴、照海穴对网球运动员定量负荷后心率(HR)、血乳酸(La)含量、血清乳酸脱氢酶(LDH)活性的影响。方法:受试对象随机分为对照组和点穴组。分别于试验前和8周后采用功率自行车,于20min内完成定量负荷运动,测定负荷时HR与运动后恢复期第3 min、5 min、7 minHR,并取静脉血测定La含量、LDH活性。结果:试验前两组各观察值差异无统计学意义(P>0.05);8周后,点穴组定量负荷HR及恢复3?HR与对照组比较无差异,但恢复5 min、7 min后显著低于对照组(P<0.05);点穴组La显著低于对照组(P<0.05);LDH活性也低于对照组(P<0.01)。结果表明穴位点压可使运动员负荷后HR恢复加快,La含量及LDH活性降低。
OBJECTIVE: To observe the effects of point shunshen and Zhaohai acupoints on heart rate (HR), blood lactate (La) and serum lactate dehydrogenase (LDH) activity after tennis racket quantitative load. Methods: Subjects were randomly divided into control group and acupoint group. Power bicycles were used before and 8 weeks after the experiment. The load-bearing exercise was completed in 20 minutes. The load HR and exercise recovery 3 min, 5 min and 7 min HR were measured. The contents of La and LDH were measured by venous blood. Results: There was no significant difference between the two groups before and after the experiment (P> 0.05). After 8 weeks, there was no difference between the quantitative load HR and the recovery 3? (P <0.05). La in acupoint group was significantly lower than that in control group (P <0.05), LDH activity was also lower than that in control group (P <0.01). The results showed that acupoint pressure can accelerate the recovery of HR after exercise, and decrease the content of La and the activity of LDH.