| Core strength training refers to the training of physical qualities such as strength,stability and balance in the deep small muscles and core muscle groups of the body.The theoretical assumption of this training is that the core muscles of the body are strengthened through specific designed exercises.Currently,an increasing number of researchers at home and abroad are using core strength training to carry out experimental interventions in different fields.With China’s rapid economic growth,the problem of overweight and obesity among Chinese adolescents is becoming increasingly prominent.Obesity among adolescents not only affects aesthetics and health,but also affects balance and walking posture,making it easy for sports injuries such as falls to occur.Therefore,it is important to strengthen weight loss training and balance intervention for obese adolescents.Adding core strength training to conventional weight loss training may be an effective measure to improve weight loss and balance intervention for obese adolescents,and this study will further test its feasibility through practice.Research objective: This study will investigate whether core strength training has a positive effect on weight loss and balance ability in obese adolescents aged 12-14 years old,and provide training reference and reference to promote weight loss and balance improvement in obese adolescents.Research methods: This paper used literature,expert interviews,experimental methods and tests to divide 53 adolescents aged 12-14 years old selected from Shanghai Peak Weight Loss Summer Camp into experimental and control groups,in which 27 adolescents(14 males and 13females)in the experimental group added 7 weeks of core strength training to their regular weight loss training,while 26 adolescents(13 males and 13 females)in the control group underwent The study investigated the effects of adding core strength training to the regular weight loss training at the sports weight loss camp on the weight loss effect and balance ability of obese adolescents aged12-14 years old,as well as exploring the implement ability of the operation.Different interventions were implemented for the experimental and control groups,and the subjects were later compared in terms of height,weight,BMI,waist-to-hip ratio,body fat percentage,standing on one foot with eyes closed,stepping in place with eyes closed,star shift offset test,sit-ups,side waist-ups and prone back-ups.The results were as follows:(1)Within-group comparison of weight loss effects: weight,BMI and body fat percentage in both groups were significantly reduced before and after the intervention(P<0.01),waist-to-hip ratio in the experimental group was very significantly reduced before and after the intervention(P<0.01),and waist-to-hip ratio in the control group was very significantly reduced before and after the intervention(P<0.05);between-group comparison:weight,BMI and body fat percentage tests in both groups were compared after 7 weeks(P>0.05),but there was a significant difference in the waist-to-hip ratio test(P<0.05).(2)Within-group comparison of static balance ability: the experimental group showed a highly significant improvement(P<0.01)in the standing on one foot with eyes closed test after 4and 7 weeks of intervention,while the control group showed no significant improvement(P>0.05)after 4 weeks of intervention and a significant improvement(P<0.05)after 7 weeks of intervention.Comparison between groups: There was a significant difference between the two groups after 4weeks of intervention(P<0.05)and a highly significant difference after 7 weeks of intervention(P<0.01)in the standing on one foot with eyes closed test.(3)Intra-group comparison of dynamic balance ability: the experimental group showed a highly significant improvement in the performance of the closed-eye stance and star shift offset tests after 4 and 7 weeks of intervention(P<0.01),while the control group showed no significant improvement in the performance of both tests after 4 weeks of intervention(P>0.05)and a significant improvement in the performance of the closed-eye stance test after 7 weeks of intervention(P<0.05),and the performance of the star shift offset test with the left foot(P<0.05),and no significant improvement(P>0.05)in the 6 points except for 1 and 3.Between-group comparisons: after 4 weeks of intervention,there was a highly significant difference(P<0.01)between the two groups on the closed-eye in situ step test,a significant difference(P<0.05)between the two groups on the star shift offset test left foot support test in the 1,2,3 and 8 o’clock directions,and a highly significant difference(P<0.01)between the two groups on the 4,5,6 and7 o’clock directions,and a highly significant difference(P<0.01)between the two groups on the star shift offset test left foot support test in the 4,5,6 and 7 o’clock directions.After 7 weeks of intervention,there was a highly significant difference(P<0.01)between the two groups comparing performance on both the closed-eye in situ step and star shift offset tests.(4)Intra-group comparison of core strength test: the experimental group showed a highly significant improvement in core strength test scores after 4 and 7 weeks of intervention(P<0.01),while the control group showed no significant improvement in core strength test scores after 4 and7 weeks of intervention(P>0.05);between-group comparison: there was no significant difference in sit-up test scores between the two groups after 4 weeks of intervention(P>0.05),and there was no significant difference in prone back-up and There was a significant difference(P<0.05)between the two groups after 4 weeks of intervention,and a highly significant difference(P<0.01)between the two groups after 7 weeks of intervention in the core strength test.The conclusions of the study are as follows:(1)The addition of core strength training to the regular training at the sports weight loss camp had a significant effect on obese 12-14 year olds,and there was no significant difference in the weight loss effect between the two training methods.(2)The addition of core strength training to regular training at sports weight loss camps can improve the static and dynamic balance of obese youths aged 12-14,as well as the muscle strength of the waist,abdomen,back and iliac region of obese youths,and the improvement effect is better than that of regular weight loss training at sports weight loss camps.(3)After adding the core strength training intervention to the regular training at the sports weight loss summer camp,it was found that the improvement in both static and dynamic balance was visible after 4 weeks of the intervention,and the improvement trend was still maintained between 4 and 7 weeks of the intervention,with the improvement mainly reflected in the faster change after 5 to 7 weeks of the intervention. |