FIELD: medical equipment.
SUBSTANCE: invention relates to medical equipment, namely to methods for evaluating the effectiveness of an athlete's respiratory movements when performing exercises with a kettlebell or kettlebells. When executing the method, the specified parameters of the athlete's movement and his breathing are recorded and evaluated using the hardware-software complex. The complex contains a signal recorder with a given number of sensors, means of displaying graphic information. The registrar's sensors are fixed in predetermined places on the athlete's body and register the movements and accelerations of the athlete's body in space, the volumetric velocity of the air flow during the athlete's breathing. The display means are monitors and/or projectors. The display means show, at a given distance, graphs of periodic changes in the vertical component of the athlete's torso acceleration and the volumetric velocity of the air flow during breathing during the exercise or additionally, in the given testing modes, the time of the exercise and/or the number of lifts of the sports equipment. Breathing is recorded with a spirograph or pneumotachograph. Graphs in the dynamic phases of the exercise, excluding static postures, after processing the data by a given computer program, are superimposed on each other in a given scale and presented to the researcher and/or athlete in real time or after the exercises. The researcher and/or the athlete selects the athlete's testing program from the program library of the hardware-software complex. The efficiency of the athlete's respiratory movements is calculated using a given computer program for processing graphs. At the same time, the obtained curves are approximated for the graphs of the vertical component of the acceleration of the body and the volumetric velocity of the air flow during breathing. The graphs of the recorded signals are converted into graphs of periodic oscillations to compare the vertical component of the acceleration of the athlete's torso and the volumetric velocity of the air flow during breathing in frequency and by the coincidence of the initial phase for a given number of kettlebell lifts. The evaluation of the effectiveness of the athlete's respiratory movements is determined by a given computer program by calculating the arithmetic mean of the difference between the frequency and the initial phase of the vertical component of the athlete's torso acceleration and the volumetric velocity of the air flow during the athlete's breathing in a given number of lifts. In this case, the synchronism coefficient ks is calculated as the ratio of the frequency of the approximated curve of the vertical component of the acceleration of the body to the frequency of the approximated curve of the volumetric velocity of the air flow during breathing. Preparedness factor kp is produced as the ratio of the initial phase of the approximated curve of the vertical component of the acceleration of the body to the initial phase of the approximated curve of the volumetric velocity of the air flow during breathing. The respiratory efficiency coefficient is calculated as ke = kskp, where ke is the respiratory efficiency coefficient; ks - synchronicity coefficient; kp - coefficient of readiness. The effective range of values of the coefficient ke tends to unity in the range of 0.90–1.10.
EFFECT: method is provided for assessing the effectiveness of respiratory movements when performing exercises with kettlebells, which can be used in technologies for adjusting the skills of performing specified exercises in kettlebell lifting to coordinate external respiration with motor actions.
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