Academic journal article Journal of Physical Education and Sport

Representation, Reliability and Reproducibility of the Running Test Using a Metronome

Academic journal article Journal of Physical Education and Sport

Representation, Reliability and Reproducibility of the Running Test Using a Metronome

Article excerpt

Introduction.

Laboratory and field tests for the assessment of physical indicators using a metronome are widespread in practice of doctors, coaches, researchers [12; 13]. Likewise run is one of the most often used exercises for aerobic trainings for the purpose of increase and control of VO2max of runners and not runners [18].

The type of exercises is continuous, but also intermittent tests are met in the majority of tests [11]. The most popular are such which assume shuttle run with different on characteristics intervals [16]. The set or motivational gravity of physical activity is also different. In principle, any stress testing assumes full or about full strenuous exercises or continuous loadings to exhaustion [11]. Accuracy of dosing, accounting and fixing of load and also assessment of indicators in the process and after testing becomes the important meaning.

They most often resort to laboratory researches of endurance. However, there are a number of field tests which without excessive complexity and also with the satisfactory level of informational content give the chance to estimate different aspects of a physical state of the individual [4]. Such tests use the simplest ways and tools. Assessment is made quickly and doesn't assume full loads. Similar tests can be used by different population groups [15]. However, the motivation of participants of testing remains the problem. Dosing of load by means of auditory stimulation is one of the ways of its solution. Thus, an examinee will run, following the imposed rhythm [1].

Such testing will allow solving the circle of problems:

- to estimate ability to follow a rhythm and to coordinate locomotion (psychophysiological features and

the individual's state);

- to define physiological reaction on stepwise the raising load;

- to reveal features of movement of the individual at solving the task to follow the imposed rhythm.

Information on reproducibility, informational content and validity of the test is also important.

The presented option of auditory stimulation leans on hypotheses of respiratory-locomotor coupling [8; 9], sensomotor synchronization [10] and ?binding? of locomotion to an external auditory stimulus [6].

Purpose. To describe use and to estimate reliability of test run in a metronome rhythm which was carried out by students-sportsmen of different sports specializations

Hypothesis. We assumed that run with auditory stimulation as a metronome, can act as test physical exercise.

Objects and methods.Statement for ethics. The research was approved by The Ethical Review Committee of Kharkov state academy of physical culture and all subsequent procedures corresponded to The Declaration of Helsinki.

Objects: the prepared students (boys n = 26 and girls n = 14) are almost healthy. They gave their written evidence on participation in the research and had an opportunity to obtain any information related throughout the entire period of carrying out. Characteristics of students-sportsmen, who took part in the testing, are presented in the table 1.

Methods. Anthropometry; testing; video filming and video analysis.

Anthropometry. Body weight (kg) of examinees was fixed before the testing, without footwear in a tshirt and shorts, by means of bathroom scales Xiaomi Mi Smart Scale (China). Height (cm) was fixed in a standing position by means of the auxanometer Person-Check KaWe (Germany).

Testing. Preliminary procedures. Participants (n=60) within one week (4 trainings) were instructed and tested run in the set metronome rhythm (140, 150, 160, 170 bpm) before the research. Students, who mastered run with a target frequency of ±5 beats, created the test group (n=40: 26 boys and 14 girls).

The main testing. Students-sportsmen (groups on 5 persons) on the command ?Go!? carried out run within 1 min. (only 4 min.) in a metronome rhythm which raised every minute (140, 150, 160, 170 beats/min). …

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