Acquisition method of optimal standing long jump technical template
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An acquisition method and technology, applied in sports accessories, gymnastics equipment, etc., can solve problems such as short jumps, heel pain, etc., and achieve the effect of reducing sports injuries
Active Publication Date: 2019-12-31
FUJIAN NORMAL UNIV
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For junior high school students, there are two problems in th
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Embodiment 1
[0085] Please refer to figure 1 , Embodiment 1 of the present invention is:
[0086] An artificial intelligence diagnosis method for standing long jump, comprising:
[0087] 1. Optimization of take-off technology:
[0088] The plantar pressure test system is used to collect the data of the whole process of the standard long jump and triple jump athletes standing long jump take-off, and establish the forward dynamic equation; set the objective function, according to the pressure distribution between the foot and the support surface during the standing long jump, Optimize the design of the standing long jump technology to give full play to the ergonomics of the metatarsophalangeal joints.
[0089] 1.1. Calculation of the pressure in the vertical direction during the take-off phase:
[0090]
[0091] where P ij (t) is the vertical pressure at a certain moment t, p (i,j) (t) represents the pressure value of the sensor at the position (i, j) at a certain moment, T is the ti...
Embodiment 2
[0124] Please refer to Figure 2-Figure 8 , the second embodiment of the present invention is:
[0125] This embodiment corresponds to the first embodiment, and provides the data analysis of the standing long jump by using the normal posture and the optimal standing long jump technical template obtained according to the first embodiment to fully utilize the working posture of the metatarsophalangeal joint winch:
[0126] see figure 2 and image 3 ,in, figure 2 It is a schematic diagram of the key movements and fixed points when performing a standing long jump with a normal posture, image 3 It is a schematic diagram of the key action points when performing the standing long jump using the optimal standing long jump technical template (that is, giving full play to the working posture of the metatarsophalangeal joint capstan).
[0127] see Figure 4 , for the respective figure 2 posture and image 3 The whole process of standing jump (experimental testing process) in t...
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Abstract
The invention provides an acquisition method of an optimal standing long jump technical template. The method comprises the steps of acquiring kinematics and dynamics data of the whole standing long jump process of an athlete; establishing a take-off forward kinetic equation according to data corresponding to a whole take-off process in the data, and acquiring a take-off technical equation by combining pressure distribution between feet and a supporting surface during standing long jump; establishing a target function of the lower limbs according to data corresponding to the flight time in thedata, and acquiring a flight technical equation by combining a human body relative motion rule in the air; establishing a foot bone geometric model and a finite element model according to a high-resolution tomographic image of ankles of the athlete, and calculating to obtain an optimal landing action; and establishing an optimal standing long jump technical template. According to the acquisition method of the optimal standing long jump technical template in the invention, a matching template is provided for artificial intelligence diagnosis of the standing long jump technology (joint kinematics) and a theoretical basis is provided for the optimization design of sports assistive devices.
Description
technical field [0001] The invention relates to the field of sports rehabilitation engineering, in particular to a method for obtaining an optimal standing long jump technical template. Background technique [0002] "National fitness and health first" is the national development strategy, and the "National Physical Exercise Standards" are the basic requirements of the country for students' physical health. In order to further implement this standard, the importance of "physical education" is highlighted. For example, in the senior high school entrance examination (junior high school academic level examination), standing long jump can not only develop the explosive power of the lower limbs, but also develop the strength and coordination of the trunk and upper limbs. In 2014, the "National Physical Health Standards for Students" stipulated that the standing long jump is an annual compulsory test for junior high schools, high schools, and universities. About 10 million student...
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