Objective To observe the effect of Tuina(Chinese therapeutic massage)on creatine kinase(CK),mitochondrial Ca^(2+)concentration,and ultrastructure of skeletal muscle in delayed onset muscle soreness(DOMS)model rats.Met...Objective To observe the effect of Tuina(Chinese therapeutic massage)on creatine kinase(CK),mitochondrial Ca^(2+)concentration,and ultrastructure of skeletal muscle in delayed onset muscle soreness(DOMS)model rats.Methods A total of 130 healthy male Sprague-Dawley rats were randomly divided into a blank group,an exercise control group,a pre-exercise Tuina group,and a post-exercise Tuina group.According to the time points for sample collection,the exercise control group was divided into a 0 h exercise control group,a 24 h exercise control group,a 48 h exercise control group,and a 72 h exercise control group;the pre-exercise Tuina group was further divided into a 0 h pre-exercise Tuina group,a 24 h pre-exercise Tuina group,a 48 h pre-exercise Tuina group,and a 72 h pre-exercise Tuina group;and the post-exercise Tuina group was divided into a 0 h post-exercise Tuina group,a 24 h post-exercise Tuina group,a 48 h post-exercise Tuina group,and a 72 h post-exercise Tuina group.Rats in all groups except for the blank group received DOMS modeling.Professionals performed Nie-Pinching manipulation and finger Nian-Twisting manipulation on the lower limbs of the rats.The samples were collected at 0 h,24 h,48 h,or 72 h after exhaustive exercise for each pre-exercise Tuina group.The samples were collected at 0 h,24 h,48 h,or 72 h after Tuina for each post-exercise Tuina group.The changes in serum CK,skeletal muscle mitochondrial Ca^(2+)concentration,and Ca^(2+)-adenosine triphosphatase(ATPase)were determined.The ultrastructure changes of skeletal muscles in each group were observed by a transmission electron microscope.Results The electron microscope showed that compared with the exercise control group,the skeletal muscle structures of the pre-exercise Tuina group and the post-exercise Tuina group were significantly improved,and the overall performance of skeletal muscle in the pre-exercise Tuina group was more similar to that of the blank group.The level of serum CK in the pre-exercise Tuina group and the post-exercise Tuina group was significantly lower than that in the exercise control group(P<0.01).The Ca^(2+)concentration of skeletal muscle in the 24 h,48 h,and 72 h pre-exercise Tuina groups was lower than that in the post-exercise Tuina group at the same time point(P<0.01).The Ca^(2+)-ATPase concentration of skeletal muscle in the 24 h and 72 h pre-exercise Tuina groups was lower than that in the post-exercise Tuina group at the same time point(P<0.05).Conclusion Tuina effectively prevents muscle damage caused by heavy exercise and long-term exercise,which may be related to the increase of skeletal muscle Ca^(2+)-ATPase activity and mitochondrial Ca^(2+)transport.展开更多
基金This work was supported by the Science and Technology Project of Jiangsu Bureau of Traditional Chinese Medicine(江苏省中医药局科技项目,No.YB201849).
文摘Objective To observe the effect of Tuina(Chinese therapeutic massage)on creatine kinase(CK),mitochondrial Ca^(2+)concentration,and ultrastructure of skeletal muscle in delayed onset muscle soreness(DOMS)model rats.Methods A total of 130 healthy male Sprague-Dawley rats were randomly divided into a blank group,an exercise control group,a pre-exercise Tuina group,and a post-exercise Tuina group.According to the time points for sample collection,the exercise control group was divided into a 0 h exercise control group,a 24 h exercise control group,a 48 h exercise control group,and a 72 h exercise control group;the pre-exercise Tuina group was further divided into a 0 h pre-exercise Tuina group,a 24 h pre-exercise Tuina group,a 48 h pre-exercise Tuina group,and a 72 h pre-exercise Tuina group;and the post-exercise Tuina group was divided into a 0 h post-exercise Tuina group,a 24 h post-exercise Tuina group,a 48 h post-exercise Tuina group,and a 72 h post-exercise Tuina group.Rats in all groups except for the blank group received DOMS modeling.Professionals performed Nie-Pinching manipulation and finger Nian-Twisting manipulation on the lower limbs of the rats.The samples were collected at 0 h,24 h,48 h,or 72 h after exhaustive exercise for each pre-exercise Tuina group.The samples were collected at 0 h,24 h,48 h,or 72 h after Tuina for each post-exercise Tuina group.The changes in serum CK,skeletal muscle mitochondrial Ca^(2+)concentration,and Ca^(2+)-adenosine triphosphatase(ATPase)were determined.The ultrastructure changes of skeletal muscles in each group were observed by a transmission electron microscope.Results The electron microscope showed that compared with the exercise control group,the skeletal muscle structures of the pre-exercise Tuina group and the post-exercise Tuina group were significantly improved,and the overall performance of skeletal muscle in the pre-exercise Tuina group was more similar to that of the blank group.The level of serum CK in the pre-exercise Tuina group and the post-exercise Tuina group was significantly lower than that in the exercise control group(P<0.01).The Ca^(2+)concentration of skeletal muscle in the 24 h,48 h,and 72 h pre-exercise Tuina groups was lower than that in the post-exercise Tuina group at the same time point(P<0.01).The Ca^(2+)-ATPase concentration of skeletal muscle in the 24 h and 72 h pre-exercise Tuina groups was lower than that in the post-exercise Tuina group at the same time point(P<0.05).Conclusion Tuina effectively prevents muscle damage caused by heavy exercise and long-term exercise,which may be related to the increase of skeletal muscle Ca^(2+)-ATPase activity and mitochondrial Ca^(2+)transport.
