The Effect of Caffeine Consumed Before Competition on Heart Rate, Trigger Squeeze Time and Shooting Score in Air Pistol Athletes

2021 ◽  
Vol 15 (11) ◽  
pp. 3202-3205
Author(s):  
Kadir Diler ◽  
Gamze Erikoğlu Örer
Keyword(s):  
Heart Rate ◽  
Female Athletes ◽  
Coffee Consumption ◽  
Wilcoxon Test ◽  
Caffeine Consumption ◽  
Male Athletes ◽  
Sports History ◽  
Negative Effect ◽  
Caffeinated Coffee ◽  
Single Blind

Background: Caffeine consumption may adversely affect the performance of athletes in some sports. Aim: The aim of this study was to investigate the effects of caffeine drink consumed before competitions by air pistol athletes on their heart rate, trigger squeeze times and shooting scores. Methods: : In the study, caffeinated and caffeine-free measurements were applied on the same athletes. Following the evaluation, a total of 20 elite athletes, including 10 women with a mean age of 23.6±4.7 and 10 men with a mean age of 25.9±4.8 who had at least 2 years sports history, participated voluntarily in the study. The study was planned as a single blind. All athletes shot 10 times before both measurements. By random method, the athletes consumed Coffee with 3mg/kg caffeine or decaf coffee before the measurement. After 1 week, the same athletes were given coffee which was not given in the previous measurement before the measurement. A total of 80 shots were fired at 15, 30 and 60 minutes after both measurements. Following the evaluation, heart rates, trigger squeeze times and shooting scores of the athletes were recorded. Wilcoxon test to compare the differences between the measurements at two different times on the same group and Mann-Whitney U test to examine the differences in independent groups were used. Results: When the differences between the measurements of all male and female athletes were examined, it was found that there was an increase in their heart rate and trigger squeeze times 15, 30 and 60 minutes after caffeinated coffee consumption, and this difference was statistically significant (p<0.05). Besides there was a significant decrease in 15, 30 and 60 minute shooting scores of female athletes, and 15 and 30 minute shooting scores of male athletes (p<0.05). Conclusion: As a result of the study, it was observed that the use of caffeine had a negative effect on the performance of air pistol athletes. Therefore, it can be said that people interested in air pistol discipline should not consume coffee or caffeine-containing beverages within 1-2 hours before the competition, if they consume, their heart rate will increase and their aiming during shooting will be more difficult and trigger-squeezing times will be extended. Keywords: Air pistol, Caffeine, Heart rate, Shooting

scholarly journals Athletes’ Physical Performance in the System of the Sports Medicine Technologies Effectiveness Evaluation

2021 ◽  
Vol 20 (6) ◽  
pp. 119-125
Author(s):  
Anna A. Kish ◽  
Evgeny V. Goloborodko ◽  
Sergey M. Razinkin ◽  
Artem M. Komlev
Keyword(s):  
Heart Rate ◽  
Physical Performance ◽  
Sports Medicine ◽  
Female Athletes ◽  
Performance Testing ◽  
Bicycle Ergometer ◽  
Track And Field ◽  
Male Athletes ◽  
Specific Loading ◽  
Rowing Ergometer

Aim. To determine the effectiveness of the specific loading testing use in assessing the athletes’ physical performance. Material and methods. We present a post-hoc analysis of data from specific and nonspecific loading testing (bicycle ergometer, treadmill, rowing ergometer, and ski treadmill) of 23 oarsmen athletes (13 male (mean age 25.85±0.88 years) and 10 female (mean age 22.90±1.20 years); 125 track and field athletes (75 male athletes (mean age 24.74±0.91) and 50 female athletes (mean age 23.81±1.35)), 38 ski athletes (22 male athletes (mean age 21.3±2.4) and 16 female athletes (mean age 19.6±1.8)). Results and discussion. When assessing the physical performance of track and field athletes of various positions using a bicycle ergometer and a treadmill, the maximum oxygen consumption (MOC) parameter for throwers and jumpers was in the range of 29-55 ml/min/kg (it is more appropriate to use a statoergometer), for runners – 39-75 ml/min/kg (testing on a treadmill is preferable). The greatest efficiency and physiological validity was obtained by load testing using a rowing ergometer for rowing athletes and a ski roller treadmill for athletes of ski sports (the ratio of heart rate at the anaerobic metabolism threshold level to the heart rate “on failure” is ~ 97%). With bicycle ergometry, low values of MOC were obtained in athletes training for endurance, and, including on the treadmill, in athletes with the main strength load and implies the work of the muscles of the upper shoulder girdle and back. The functional and reserve capabilities of the athlete are not reflected in the data obtained that makes impossible to judge the level of his/her functional readiness. Conclusion. Sports medicine technologies reflecting the dynamic characteristics of athletes’ physical performance should be evaluated from the point of view of informativeness and efficiency of their application depending on the type of sport. Conclusion about the effectiveness of sports medicine technologies should be made considering the results of the functional and physical performance testing under the exertion, specific to a particular sport.

scholarly journals AEROBIC AND ANAEROBIC EXERCISE ABILITY OF ATHLETES COMBINED WITH BALANCED NUTRITION

2021 ◽  
Vol 27 (spe2) ◽  
pp. 11-15
Author(s):  
Heweiqi ◽  
A.N. Tambovskij
Keyword(s):  
Heart Rate ◽  
Lactic Acid ◽  
Female Athletes ◽  
Anaerobic Capacity ◽  
Acid Value ◽  
Anaerobic Exercise ◽  
Male Athletes ◽  
Significant Downward Trend ◽  
Before And After ◽  
Experimental Group

ABSTRACT Balanced nutrition is very important for athletes’ health and competition performance, and balanced nutrition has become a hot topic in the sports industry. In this study, 30s anaerobic work test and maximal oxygen uptake test were used to test anaerobic exercise ability and aerobic exercise ability, respectively. Four groups were set up in the two test methods, and the corresponding functional test indexes, heart rate recovery index and blood lactic acid recovery value were determined. The anaerobic capacity test showed that the maximum power of male athletes in the experimental group had significant statistical difference before and after dietary balance management, and the fatigue index of female athletes in the experimental group had a significant downward trend. Five minutes and nine minutes after exercise, the blood lactic acid value of males in the experimental group was lower than before balanced nutrition. The aerobic capacity test showed that the exhaustion time of male athletes in the experimental group was significantly different before and after balanced nutrition. After the balanced nutrition, the blood lactic acid value of male athletes in the experimental group was lower than before the management immediately and nine minutes after exercise, and the heart rate value of the male athletes in the experimental group was far lower than before the management.

scholarly journals PSYCHOPHYSIOLOGICAL STATUS OF MEN AND WOMEN IN COMBAT SPORTS

2020 ◽  
Vol 20 (2) ◽  
pp. 63-70
Author(s):  
G Maksutova ◽  
T Popova ◽  
Yu Romanov ◽  
E Surina-Marysheva ◽  
O Kourova
Keyword(s):  
Heart Rate ◽  
Female Athletes ◽  
The Body ◽  
Smooth Transition ◽  
Combat Sports ◽  
Self Assessment ◽  
Male Athletes ◽  
Before And After ◽  
Athletes Heart ◽  
Functional Stress

Aim. The article aims to assess the psychophysiological characteristics of skilled athletes in combat sports (boxing, freestyle wrestling, judo). Materials and methods. 18–23-year-old skilled combat athletes were examined. All athletes were divided into the following groups: the first group - female athletes (n = 15); the second group - male athletes (n = 17); the third and fourth groups - control groups consisted of males and females of the same age and not involved in sports (15 people each). The following methods were used: a pulse measurement, psychological tests, self-assessment of the psychoemotional status, electroencephalography, cardiointervalography with the calculation of statistical indicators of heart rate. Examinations were performed before and after the relaxation exercise, which was a three-minute concentration of attention at a specific point on the body. Results. The results revealed that female athletes had lower indicators of psychoemotional status than males but higher than untrained females. The indicators of psychoemotional stress were lower in female athletes than in male athletes and untrained women. For example, the indicator of personal anxiety in female athletes was 41.0 ± 1.8 versus 47.2 ± 2.5 in untrained women (P < 0.05). In female athletes, heart rate, the amplitude of the mode and voltage index (77.15 ± 2.05) in the structure of heart rate were slightly higher than in males (73.10 ± ± 1.07), which indicated greater functional stress of the heart. Relaxation led to favorable changes in EEG indicators and decreased functional stress of the heart in all subjects. Conclusion. It is recommended to extend the terms of sports training in female combat athletes to ensure a smooth transition to sports specialization and reduce injuries.

scholarly journals Compare the Values of Blood Lactate and Heart Rate of Kickboxers during Kickboxing Matches

2017 ◽  
Vol 5 (7) ◽  
pp. 13
Author(s):  
Mustafa Karadağ
Keyword(s):  
Heart Rate ◽  
Blood Lactate ◽  
Female Athletes ◽  
Age Distribution ◽  
Significant Rise ◽  
Male Athletes ◽  
Voluntary Consent ◽  
Significant Difference ◽  
Body Weights ◽  
Simulated Match

The aim of this study was to compare the values of heart rate (HR) and blood lactate (BL) of kickboxers during kickboxing match.This study was conducted with the participation of 18 male and 16 female sportsman in Turkish Kickboxing championship, an organization of Turkish Kickboxing Federation. After the participant athletes read and signed informed voluntary consent form (BGOF) prepared for them, the measurements were collected.While no significant difference was found between ages, pre-match HR, post-match HR, pre and post-match BL of male and female Kickboxers, a significant difference was statistically found between the height (P˂0.05) and body weights (P˂0.01) of athletes. Age distribution of athletes was determined as 14-23 and mean age distribution was determined as 17.03±2.41. HR pressures of athletes differs according to pre-match and post-match periods (P˂0.001). As HR frequencies increase by 29.4% according to pre-match HR regardless of the gender, this increase was determined as 31.4% for male athletes and 27.2% for female athletes. While post-match BLs of athletes increase by 4.02 times compared to pre-match regardless of the gender, this increase was determined as 4.20 for male athletes and 3.82 for female athletes.Kickboxing is a combat sport which has high intensity of anaerobic physical fitness. Matches and rounds for HR and BL concentrations show the importance of the aerobic metabolism in kickboxing. However, the significant rise of HR and BL during simulated match indicates that the anaerobic metabolism is also important in kickboxing.

scholarly journals Physical condition and heart rate rest of yogyakarta rugby pon team players during the COVID-19 pandemic

2020 ◽  
Vol 6 (3) ◽  
pp. 45
Author(s):  
Antonius Tri Wibowo
Keyword(s):  
Heart Rate ◽  
Strong Correlation ◽  
Female Athletes ◽  
Pearson Correlation ◽  
Vertical Jump ◽  
Male Athletes ◽  
Fitness Indicators ◽  
Pearson Correlation Analysis ◽  
Waking Up ◽  
Rugby Players

<p><strong>Aim:</strong> To identify the correlation between different fitness indicators of rugby players in training conditions during quarantine related to Covid-19.</p><p><strong>Material and methods. </strong>The study involved athletes from PON Rugby DIY (n = 28, including 15 male athletes and 13 female athletes). To assess the level of physical fitness, the following tests were used: to assess the level of strength, push ups for 1 minute (number) and squats for one minute (number) were used; the yo-yo test was used to assess the level of endurance; speed was assessed using a 40 meter running test (s); agility by performing an Illinois agility test; power (speed-strength abilities) was assessed by the value of the vertical jump (cm); and for the heart rate was determined by the athlete independently within 60 seconds after waking up. The data collection method in this study is test and questionnaire. Data analysis was performed using Pearson correlation analysis using SPSS V 25 software.</p><p><strong>Results</strong>. It was shown that endurance has a strong correlation with power with r value (0.651) and significant p = 0.000. Speed ??also has a strong correlation with strength, as evidenced by the r (0.538) value with a significant p = 0.003. Strength has a strong correlation with power, as evidenced by the value of r (0.561) with a significant value of p = 0.002. Speed ??has a very strong correlation with agility, as evidenced by the value (0.935) with a significant p = 0.000.</p><p><strong>Conclusions. </strong>It was found that endurance does not correlate with resting heart rate, and endurance does not correlate with strength, because the load of the training program was not optimally implemented by athletes in the Covid-19 quarantine.<strong></strong></p>

Aerobic work capacity in young Norwegian men and women

1965 ◽  
Vol 20 (3) ◽  
pp. 425-431 ◽  
Author(s):  
Lars Hermansen ◽  
K. Lange Andersen
Keyword(s):  
Heart Rate ◽  
Body Weight ◽  
Oxygen Uptake ◽  
Female Athletes ◽  
Work Capacity ◽  
Maximal Heart Rate ◽  
Male Athletes ◽  
Submaximal Work ◽  
Exercise Induced ◽  
Sedentary Women

This paper deals with the problem of assessing the range of variability in work capacity of young adult Norwegians. Successful male athletes average 4.8 liter/ min or 71 ml/min per kg body weight in maximal oxygen uptake, versus 3.2 liter/min or 44 ml/min per kg body weight for a group of sedentary living men. Female athletes average 3.3 liter/min or 55 ml/min per kg body weight, compared to 2.3 liter/min or 38 ml/min per kg body weight for sedentary women. Oxygen cost of bicycling at submaximal work rates was the same in athletes and nonathletes, but with a clear sex difference, the females possessing a better work efficiency. The linear relationship between heart rate and oxygen uptake becomes curved in the least fit subjects (the sedentary women) when the exercise loads approach the maximal niveau. The maximal heart rate was found lower in athletically trained subjects. The exercise-induced hyperventilation takes place at an oxygen uptake corresponding to 70–80% of the capacity, this being the same in both sexes and uninfluenced by athletics. maximal O2 uptake Submitted on March 23, 1964

scholarly journals Consumption of caffeinated beverages and kidney function decline in an elderly Mediterranean population with metabolic syndrome

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Andrés Díaz-López ◽  
Indira Paz-Graniel ◽  
Verónica Ruiz ◽  
Estefanía Toledo ◽  
Nerea Becerra-Tomás ◽  
...  
Keyword(s):  
Metabolic Syndrome ◽  
Coffee Consumption ◽  
Caffeine Intake ◽  
Mediterranean Population ◽  
Caffeine Consumption ◽  
Obese Adults ◽  
Disease Epidemiology ◽  
Increased Risk ◽  
Caffeinated Coffee ◽  
Egfr Decline

AbstractIt remains unclear whether caffeinated beverages could have deleterious renal effects in elderly population with underlying comorbid conditions. We investigated the associations between coffee, tea, or caffeine intake and 1-year changes in glomerular filtration rate (eGFR) in a large Spanish cohort of overweight/obese elderly with metabolic syndrome (MetS). This prospective analysis includes 5851 overweight/obese adults (55–75 years) with MetS from the PREDIMED-Plus study. We assessed coffee, tea, and caffeine consumption from a validated food-frequency questionnaire and creatinine-based eGFR using the Chronic Kidney Disease Epidemiology Collaboration equation. Multivariate-adjusted regression models were applied to test associations between baseline coffee, tea, or caffeine intake and 1-year eGFR changes. Caffeinated coffee (> 2 cups/day) and tea (at least 1 cup/day) drinkers had 0.88 and 0.93 mL/min/1.73 m2 greater eGFR decrease respectively, compared to those with less than 1 cup/day of coffee consumption or non-tea drinkers. Furthermore, caffeinated coffee consumption of > 2 cups/day was associated with 1.19-fold increased risk of rapid eGFR decline > 3 mL/min/1.73 m2 (95% CI 1.01–1.41). Similarly, individuals in the highest (median, 51.2 mg/day) tertile of caffeine intake had a 0.87 mL/min/1.73 m2 greater eGFR decrease. Decaffeinated coffee was not associated with eGFR changes. In conclusion, higher consumption of caffeinated coffee, tea, and caffeine was associated with a greater 1-year eGFR decline in overweight/obese adults with MetS.

scholarly journals Gender Differences in Kinematic Analysis of the Lower Limbs during the Chasse Step in Table Tennis Athletes

Healthcare ◽  
2021 ◽  
Vol 9 (6) ◽  
pp. 703
Author(s):  
Xiaoyi Yang ◽  
Yuqi He ◽  
Shirui Shao ◽  
Julien S. Baker ◽  
Bíró István ◽  
...  
Keyword(s):  
Female Athletes ◽  
External Rotation ◽  
Rotational Velocity ◽  
Knee Extension ◽  
Lower Limbs ◽  
Table Tennis ◽  
Male Athletes ◽  
Analysis System ◽  
Hip Flexion ◽  
Hip Internal Rotation

The chasse step is one of the most important footwork maneuvers used in table tennis. The purpose of this study was to investigate the lower limb kinematic differences of table tennis athletes of different genders when using the chasse step. The 3D VICON motion analysis system was used to capture related kinematics data. The main finding of this study was that the step times for male athletes (MA) were shorter in the backward phase (BP) and significantly longer in the forward phase (FP) than for female athletes (FA) during the chasse step. Compared with FA, knee external rotation for MA was larger during the BP. MA showed a smaller knee flexion range of motion (ROM) in the BP and larger knee extension ROM in the FP. Moreover, hip flexion and adduction for MA were significantly greater than for FA. In the FP, the internal rotational velocity of the hip joint was significantly greater. MA showed larger hip internal rotation ROM in the FP but smaller hip external rotation ROM in the BP. The differences between genders can help coaches personalize their training programs and improve the performance of both male and female table tennis athletes.

scholarly journals Mortality of Japanese Olympic athletes in 1964 Tokyo Olympic Games

2021 ◽  
Vol 7 (1) ◽  
pp. e000896
Author(s):  
Taro Takeuchi ◽  
Yuri Kitamura ◽  
Soya Ishizuka ◽  
Sachiko Yamada ◽  
Hiroshi Aono ◽  
...  
Keyword(s):  
Women Athletes ◽  
Japanese Population ◽  
Female Athletes ◽  
Proportional Hazards Model ◽  
Olympic Games ◽  
Handgrip Strength ◽  
Cox Proportional Hazards ◽  
Cox Proportional Hazards Model ◽  
Smoking History ◽  
Male Athletes

ObjectivesTo compare the mortality of Japanese athletes in the 1964 Tokyo Olympic Games with that of the Japanese population, and to elucidate factors associated with their mortality.MethodsWe obtained from the Japan Sport Association study subjects’ biographical information, information on lifestyles and medical data. Missing data were obtained from online databases. Standardised mortality ratio (SMR) was calculated to compare athletes’ mortality with the Japanese population. Cox proportional hazards model was applied to estimate the HR for each category of body mass index (BMI), smoking history and handgrip strength. This analysis was limited to male athletes due to the small number of female athletes.ResultsAmong 342 (283 men, 59 women) athletes, deaths were confirmed for 70 (64 men, 6 women) athletes between September 1964 and December 2017. Total person years was 15 974.8, and the SMR was 0.64 (95% CI 0.50 to 0.81). Multivariate analysis performed on 181 male athletes. Mortality was significantly higher for BMI≥25 kg/m2 than for 21–23 kg/m2 (HR: 3.03, 95% CI 1.01 to 9.07). We found no statistically significant associations between smoking history and mortality; the HR (95% CI) for occasional and daily smokers were 0.82 (0.26 to 2.57) and 1.30 (0.55 to 3.03) compared with never smokers. We also found no statistically significant associations between handgrip strength and mortality (P for trend: 0.51).ConclusionJapanese athletes in the 1964 Tokyo Olympic Games lived longer than the Japanese population. BMI≥25 kg/m2 was associated with higher mortality, but smoking history and handgrip strength were not associated with mortality.

scholarly journals Urinary and anal incontinence among female gymnasts and cheerleaders—bother and associated factors. A cross-sectional study

2021 ◽  
Author(s):  
Kristina Lindquist Skaug ◽  
Marie Ellström Engh ◽  
Helena Frawley ◽  
Kari Bø
Keyword(s):  
Pelvic Floor ◽  
Anal Incontinence ◽  
Female Athletes ◽  
Cross Sectional Study ◽  
Sport Performance ◽  
Sports Performance ◽  
International Consensus ◽  
Cross Sectional ◽  
Negative Effect ◽  
Female Gymnasts

Abstract Introduction and hypothesis Artistic gymnastics, team gymnastics and cheerleading are sports including high-impact activities. It is presumed that the athletes’ pelvic floor must be functioning well to prevent urinary (UI) and anal incontinence (AI) during sports. The aim of this study was to investigate the prevalence and risk factors for UI and AI in female artistic gymnasts, team gymnasts and cheerleaders; the influence of UI and AI on daily living and sport performance; and the athletes’ knowledge about the pelvic floor muscles (PFM). Methods All female athletes ≥ 12 years of age competing in ≥ 1 National Championship in artistic gymnastics, team gymnastics or cheerleading in 2018/2019 were invited. International Consensus on Incontinence Questionnaires were used to assess the prevalence/bother of UI and AI. Results Among the 319 gymnasts and cheerleaders who participated, the prevalence of UI and AI was 67% and 84%, respectively. Age, training ≥ 4 days/week and straining to void were significantly associated with stress urinary incontinence (SUI) and years of training with AI. Eighty-three percent of athletes with SUI reported a negative effect on sports performance, 22% would occasionally avoid training or specific exercises because of leakage, and 28% used pads for protection. Forty-one percent of the athletes had never heard about the PFM, and 74% reported an interest in PFM training to prevent/treat UI or AI. Conclusions UI and AI were prevalent in female gymnasts and cheerleaders, and SUI negatively influenced sport performance. The athletes’ knowledge about the PFM was limited.

Sign in / Sign up

Export Citation Format

Share Document