| Objective: In this paper, the single week and back flip action methods at different stages ofelectrical test, different parts of the action of the internal law of muscular activity andmechanism of the correct understanding and the analysis, to make people understand in asingle week and action flip technology to complete the process involved in musclecontractions, muscle power of how many, muscle power sequence, and so on and so forth.Research meaning: Clear of sports major muscle force, in the later training to choose thebest way of exercise in order to reduce the occurrence of damage, to the power of thetrampoline movement and technical training provides the theory basis of science.Reasonably arranged in practice is consistent with the neuromuscular system forcecharacteristics of special strength training means and methods, improve the level of specialtraining.Research methods: This paper mainly uses the6trampoline athlete of ourexperimentalmethod of surface EMG test. Firstly, the pre experiment, to determine the feasibilityand test the experimental muscles. Finally, trampoline hall in the training center ofShandong sports are tested for the corresponding index.Research results:1, In a single week and the whereabouts of a back flip stage some muscle activity hasnot been activated, so some athletes muscle did not show the state power. But overall, thestrength of muscle in the first power muscles was the latissimus dorsi, power muscle isthe external oblique muscle at the latest. Belly of the latissimus dorsi contribution is thelargest, and the contribution rate of the minimum of the gastrocnemius muscle.2, In a single week and back flip the takeoff stage, leg muscle power first, especiallywith the tibialis anterior muscle in the beginning stages of takeoff the biceps femorismuscle in muscle activity was activated in a state of power. But as every athlete musclestrength and coordination of each are not identical, so start with time also has a gap.Overall, at this stage the earliest power muscle tibialis anterior muscle is, the night ofpower is the latissimus dorsi muscles. The contribution of the biceps femoris muscle in hismuscle is biggest, contribution rate of the smallest is the latissimus dorsi.3, In a single week and backward somersault posture formation stage, almost all ofthe muscles of the state of being in power, at this stage in the leg muscle strength continuously, so the strength of the earliest time. The power of the latest rectus. Thecontribution rate of the biggest is the leg muscles. At this stage, the ratio of thecontribution of the leg muscles is a great, but in a drop in the proportion of all the muscles,abdominal muscles gradually rising proportion.4, In a single week and back flip show body and keep stretched phase, is one of theearliest muscle power time gastrocnemius and rectus, power is the latest trapezius muscle.Accounted for the largest is the belly of the latissimus dorsi, contribution rate is thesmallest trapezius muscle. In this stage, the contribution rate of abdominal muscles to besignificantly higher than the other parts of the muscle.Conclusion1, The muscles of the different stages of training is not the same, to improve the skilllevel of takeoff stage should pay attention to the training of leg muscles more at ordinarytimes, to improve the skill level of formation when the body posture at ordinary timesshould pay attention to the training of the abdominal muscles.2, Abdominal muscles was found in process action force of the longest and mosteasily injury due to fatigue, so attention should be paid to the abdominal muscles relaxedafter exercise. Trapezius muscle for formation and show body posture has greatcontribution, so the usual training should not ignore the trapezius muscle and othershoulder muscle. |
