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ALEXANDER NIKOLAEVICH DITYATIN ALEXANDER NIKOLAEVICH DITYATIN

Ph.D. Anton Gajdoš born on 1.6.1940 in Dubriniči (today Ukraine) lives most of his life in Bratislava (ex TCH, nowadays SVK). He comes from gymnastics family (his brother Pavel have world championship medals) and he devoted his life to gymnastics. His last achievement is establishment of Narodna encyklopedia športu Slovenska (www.sportency.sk). Among his passion is collecting photos and signatures of gymnasts. As we tend to forget old champions and important gymnasts, judges and coaches, we decided to publish part of his archive under title Short historical notes. All information on these pages is from Anton’s archives and collected through years. Anton Gajdoš, rojen 1. 6. 1940 v Dubriničih (danes Ukrajina), večino svojega življenja živi v Bratislavi (nekdanja TCH, danes SVK). Izhaja iz telovadne družine (njegov brat Pavel ima medalje s svetovnih prvenstev) in je svoje življenje posvetil telovadbi. Njegov zadnji dosežek je ustanovitev Narodne enciklopedije športu Slovenska (www.sportency.sk). Med njegovimi strastmi je zbiranje fotografij in podpisov telovadcev. Ker radi pozabljamo na stare prvake in pomembne telovadce, sodnike in trenerje, smo se odločili, da del njegovega arhiva objavimo pod naslovom Kratki zgodovinski zapisi. Vse informacije na teh straneh so iz Antonovega arhiva in so bile zbrane skozi leta.

Ph.D. Anton Gajdoš born on 1.6.1940 in Dubriniči (today Ukraine) lives most of his life in Bratislava (ex TCH, nowadays SVK). He comes from a gymnastics family (his brother Pavel has world championship medals) and he devoted his life to gymnastics. His last achievement is establishment of Narodna encyklopedia športu Slovenska (www.sportency.sk). Among his passion is collecting photos and signatures of gymnasts. As we tend to forget old champions and important gymnasts, judges and coaches, we decided to publish part of his archive under the title Short historical notes. All information on these pages is from Anton’s archives and collected over the years.

Ph.D. Anton Gajdoš, born on 1 June1940 in Dubriniči (now Ukraine) has lived most of his life in Bratislava (ex TCH, now SVK). He comes from family of gymnasts (his brother Pavel has world championship medals) and has dedicated his life to gymnastics. His latest achievement is the founding of the Narodna encyklopedia športu Slovenska (www.sportency.sk). One of his passions is collecting photos and signatures of gymnasts. As we tend to forget old champions and important gymnasts, judges and coaches, we have decided to publish a part of his archive under the title Short historical notes. All the information on these pages comes from Anton’s archive and has been collected over the years. Dr. Anton Gajdoš, rojen 1. junija 1940 v Dubriničih (danes Ukrajina) je večino svojega življenja preživel v Bratislavi (nekdanja ČSR, zdaj SVK). Izhaja iz družine telovadcev (njegov brat Pavel ima odličja s svetovnega prvenstva) in je svoje življenje posvetil gimnastiki. Njegov zadnji dosežek je ustanovitev Narodne enciklopedije športu Slovaška (www.sportency.sk). Ena od njegovih strasti je zbiranje fotografij in podpisov telovadcev. Ker stare šampione in pomembne telovadce, sodnike in vaditelje radi pozabljamo, smo se odločili del njegovega arhiva objaviti pod naslovom Kratki zgodovinski zapisi. Vsi podatki na teh straneh izvirajo iz Antonovega arhiva in so bile zbrane skozi leta.

The aim of the study was to determine whether football players of different age groups who use their dominant leg more frequently when playing football exhibit greater functional asymmetries between the right and left leg. The study included 116 football players (age groups from U12 to U19). The number of touches of the ball with the right and left leg was determined by detailed video analysis. The data were used to calculate the percentage of use of the dominant leg. Functional asymmetries were determined based on measurements of motor skills in the field and measurements with a portable dual-force plate. Significant correlations were found between the percentage of the dominant leg use and the differences between legs in kicking the ball (ball flight speed) from a standing position in the entire sample, from a running position in the entire sample and in the U17 age group and in relative maximum power in the CMJ in the U15 age group. No significant correlations were found with differences between the legs when dribbling the ball with a change in direction. The proportion of use of the dominant leg correlates with some of the observed functional asymmetries in young football players of different age groups and varies across age groups.

Ph.D. Anton Gajdoš born on 1.6.1940 in Dubriniči (today Ukraine) lives most of his life in Bratislava (ex TCH, nowadays SVK). He comes from gymnastics family (his brother Pavel have world championship medals) and he devoted his life to gymnastics. His last achievement is establishment of Narodna encyklopedia športu Slovenska (www.sportency.sk). Among his passion is collecting photos and signatures of gymnasts. As we tend to forget old champions and important gymnasts, judges and coaches, we decided to publish part of his archive under title Short historical notes. All information on these pages is from Anton’s archives and collected through years. Anton Gajdoš, rojen 1.6.1940 v Dubriničih (danes Ukrajina), večino svojega življenja živi v Bratislavi (nekdanja Češkoslovaška, danes Slovaška). Izhaja iz telovadne družine (njegov brat Pavel ima odličja s svetovnega prvenstva) in je svoje življenje posvetil telovadbi. Njegov zadnji dosežek je ustanovitev Slovaške narodne enciklopedije športa (www.sportency.sk). Med njegovimi strastmi je zbiranje fotografij in podpisov telovadcev. Ker pozabljamo na stare šampione in pomembne telovadce, sodnike in trenerje, smo se odločili del njegovega arhiva objaviti pod naslovom Kratki zgodovinski zapiski. Vse informacije na teh straneh so iz Antonovega arhiva in zbirane skozi leta.

Thermal imaging is used in various fields of industry and research to measure temperature and its possible differences. Since there is a lack of research and literature on palm temperatures and prevention of blisters on hands, our question was how palm temperature differs in human hands after different loads (Hang and Swing in Hang) for 30 s on a high bar. Thirty-eight students from the Faculty of Sport at the University of Ljubljana were measured with a high-quality thermal imaging camera. Palm temperatures were measured before the load was applied, immediately after and every 30 s for a period of 5 min after the load. Each hand was divided into nine different regions of interest (ROIs). Mean (XA), standard deviation (SD), maximum and minimum, and number of pixels were calculated. We found that there was no difference between the left and right hand. The temperature right after the load was applied decreased significantly for both loads and then increased above the level before the load was applied. After the static load, the temperature reached a constant higher level after 3 min. After the dynamic load, the temperatures continued to increase throughout the measurement period. Further investigation is needed to determine the time period in which the hand temperature reaches the temperature before the load is applied.

Global Navigation Satellite Systems (GNSS) are, in addition to being most widely used vehicle navigation method, becoming popular in sport-related tests. There is a lack of knowledge regarding tracking speed using GNSS, therefore the aims of this study were to examine under dynamic conditions: (1) how accurate technologically different GNSS measure speed and (2) how large is latency in speed measurements in real time applications. Five GNSSs were tested. They were fixed to a car’s roof-rack: a smart phone, a wrist watch, a handheld device, a professional system for testing vehicles and a high-end Real Time Kinematics (RTK) GNSS. The speed data were recorded and analyzed during rapid acceleration and deceleration as well as at steady speed. The study produced four main findings. Higher frequency and high quality GNSS receivers track speed at least at comparable accuracy to a vehicle speedometer. All GNSS systems measured maximum speed and movement at a constant speed well. Acceleration and deceleration have different level of error at different speeds. Low cost GNSS receivers operating at 1 Hz sampling rate had high latency (up to 2.16 s) and are not appropriate for tracking speed in real time, especially during dynamic movements.

Body composition (BC), training volume/pattern, and injury status are a few important factors affecting training quality and sport performance in female artistic gymnastics. We aimed to examine BC status, training volume/pattern, and injury status during the first competition period. Our cross-sectional study included 17 female gymnasts (age: 17.4 ± 4.1 years, body height: 159.8 ± 6.2 cm, and body weight: 54.8 ± 5.3 kg) who were high performance at the international and national level. The BC (measured by dual-energy X-ray absorptiometry) parameters included body height and mass, body fat percentage (BF %), lean body mass (LBM), body mass index (BMI), total bone mineral density (BMD total), and total bone mineral content (BMC total). Training volume and pattern were assessed via an author-developed questionnaire, while injury status (i.e., anatomical location, symmetry and rate of injuries) was assessed via a modified questionnaire on overuse injuries used in sports injury epidemiology studies with elite-level athletes. Body composition parameters were as follows: the BMI was 21.5 ± 1.4 kg/m2, BF % was 21.9 ± 4.7%, LBM was 41.2 ± 3.4 kg, BMD total was 1.22 ± 0.08 g/cm2, and BMC total was 2486 ± 344 g. Furthermore, the average weekly volume of training was 23.5 ± 1.4 h, with the highest training volume occurring on Monday and Tuesday and high variability within gymnasts. Our study also revealed that the most frequently injured joints that had the most negative impact on training volume, sport performance and pain status were the ankles and low back, followed by the knees and shoulders. This kind of yearly screening method is warranted to allow more definitive conclusions to be made on adjusted training and preventive strategies.

The temperature of palms and their differences after different loading have not been well studied. Our research question was how palm temperature differs in human hands after different loads (handstand and swinging in handstand) for 30 seconds on low parallel bars. A high quality thermal imaging camera was used to measure 38 students from the University of Ljubljana, Faculty of sport. Palm temperatures were measured before the load was applied, immediately after load and every 30 seconds for a period of 5 minutes after the load. Each hand was divided into 9 different Regions of Interest (ROIs). Mean (XA), standard deviation (SD), maximum and minimum, and number of pixels were calculated. According to our results, there was no difference between the left and right hands. The temperature immediately after loading decreased significantly in both loads and then increased above the level as before loading. After static loading, the temperature decrease is smaller and then increases faster than after dynamic loading. For both loads, the temperature is higher 5 minutes after the load than before the load. We need to further investigate how long it takes for the hand temperature to reach the pre-load temperature Temperature dlani in njihove razlike po različnih obremenitvah niso dobro raziskane. Naše raziskovalno vprašanje je bilo, kako se razlikuje temperatura dlani v človeških rokah po različnih obremenitvah (stoji na rokah in kolebih v stoji na rokah) 30 sekund na nizki bradlji. S kakovostno termovizijsko kamero smo izmerili 38 študentov Fakultete za šport Univerze v Ljubljani. Temperature dlani so bile izmerjene pred obremenitvijo, takoj po obremenitvi in vsakih 30 sekund v obdobju 5 minut po obremenitvi. Vsaka dlan je bila razdeljena na 9 različnih območij zanimanja (ROI). Izračunani so bili povprečje (XA), standardni odklon (SD), maksimum in minimum ter število slikovnih pik. Glede na naše rezultate ni bilo razlike med levo in desno roko. Temperatura takoj po obremenitvi se je pri obeh obremenitvah bistveno znižala in nato narasla nad nivo kot pred obremenitvijo. Po statični obremenitvi je padec temperature manjši in nato narašča hitreje kot po dinamični obremenitvi. Pri obeh obremenitvah je temperatura 5 minut po obremenitvi še vedno višja kot pred obremenitvijo. Nadaljnje raziskave so potrebne, da bi ugotovili, kako dolgo traja, da temperatura dlani doseže temperaturo pred obremenitvijo.