scholarly journals Influence of functional abilities on the quality of refereeing in handball

2020 ◽  
Vol 12 (3) ◽  
pp. 23-34
Author(s):  
IVAN BELCIC ◽  
LANA RUZIC ◽  
ALEN MAROSEVI
Keyword(s):  
Oxygen Uptake ◽  
Body Mass ◽  
Anaerobic Capacity ◽  
Maximum Oxygen Uptake ◽  
Homogeneous Group ◽  
Functional Abilities ◽  
Physical Demands ◽  
Relative Maximum ◽  
No Elimination

Background: Several factors contributed to the evolution of handball, and one of the most important changes for faster, more dynamic and aggressive game is the change of rules which increase physical demands of players and especially referees. The aim of this study is to determine whether functional abilities have an influence on the quality of refereeing. Material and methods: 31 subjects were involved in the research, all of them top-level referees with an average age of 34.66±6.44, height 184.02±5.87 cm and body mass 91.14±10.61 kg. Testing was divided into two parts: the first part was spiroergometric progressive test on a treadmill to diagnose functional abilities, and the second part was the official handball matches. Results: Results show an average relative maximum oxygen uptake of 45.35±6.12 ml/min/kg. No statistically significant correlation was found between better functional abilities of handball referees and a better quality of refereeing. Conclusions: Referees have a lower anaerobic capacity, which could lead to errors in their judgment during the highest physiological loads in a match. Referees are a homogeneous group due to elimination criteria on tests at official seminars. If there were no elimination criteria, there would be greater variability among referees, and it would be possible to confirm the hypothesis that better functional abilities would lead to a better quality of refereeing.

scholarly journals Reference values for maximum oxygen uptake relative to body mass in Dutch/Flemish subjects aged 6–65 years: the LowLands Fitness Registry

2021 ◽  
Author(s):  
Geertje E. van der Steeg ◽  
Tim Takken
Keyword(s):  
Oxygen Uptake ◽  
Body Mass ◽  
Reference Values ◽  
Cardiopulmonary Exercise Testing ◽  
European Population ◽  
Study Data ◽  
Mean Difference ◽  
Maximum Oxygen Uptake ◽  
List Type ◽  
Maximum Effort

Abstract Background The maximum oxygen uptake (VO2max) during cardiopulmonary exercise testing (CPET) is considered the best measure of cardiorespiratory fitness. Aim To provide up-to-date reference values for the VO2max per kilogram of body mass (VO2max/kg) obtained by CPET in the Netherlands and Flanders. Methods The Lowlands Fitness Registry contains data from health checks among different professions and was used for this study. Data from 4612 apparently healthy subjects, 3671 males and 941 females, who performed maximum effort during cycle ergometry were analysed. Reference values for the VO2max/kg and corresponding centile curves were created according to the LMS method. Results Age had a negative significant effect (p < .001) and males had higher values of VO2max/kg with an overall difference of 18.0% compared to females. Formulas for reference values were developed: Males: VO2max/kg = − 0.0049 × age2 + 0.0884 × age + 48.263 (R2 = 0.9859; SEE = 1.4364) Females: VO2max/kg = − 0.0021 × age2 − 0.1407 × age + 43.066 (R2 = 0.9989; SEE = 0.5775). Cross-validation showed no relevant statistical mean difference between measured and predicted values for males and a small but significant mean difference for females. We found remarkable higher VO2max/kg values compared to previously published studies. Conclusions This is the first study to provide reference values for the VO2max/kg based on a Dutch/Flemish cohort. Our reference values can be used for a more accurate interpretation of the VO2max in the West-European population.

scholarly journals INVESTIGATION OF LEAN BODY MASS AS A LIMITING FACTOR OF MAXIMUM OXYGEN UPTAKE

1974 ◽  
Vol 23 (3) ◽  
pp. 96-100 ◽  
Author(s):  
KAORU KITAGAWA ◽  
KOMEI IKUTA ◽  
YUKO HARA ◽  
KOICHI HIIRTA
Keyword(s):  
Oxygen Uptake ◽  
Lean Body Mass ◽  
Body Mass ◽  
Maximum Oxygen Uptake ◽  
Limiting Factor

Seasonal Changes in Fitness Parameters in a World Champion Rowing Crew

2012 ◽  
Vol 7 (2) ◽  
pp. 189-192 ◽  
Author(s):  
Pavle Mikulic
Keyword(s):  
Body Composition ◽  
Oxygen Uptake ◽  
Body Mass ◽  
Power Output ◽  
Maximum Oxygen Uptake ◽  
Training Cycle ◽  
World Class ◽  
And Performance ◽  
World Champion ◽  
Gas Exchange Threshold

Purpose:To examine variations in physical, physiological, and performance parameters over an annual training cycle in a world champion rowing crew.Methods:Four world-class rowers, all of them members of the men’s heavyweight quadruple sculls squad who are current world rowing champions, were assessed 3 times at regular 4-mo intervals during the 2011 season (November 2010, March 2011, and July 2011). Physical assessments included stature, body mass, body composition, whereas physiological and performance assessments obtained during an incremental rowing ergometer test to exhaustion included maximum oxygen uptake and anaerobic gas-exchange threshold with corresponding power output values.Results:Body mass (∼95 kg) and body composition (∼12% body fat) remained stable over the annual training cycle. Power output at anaerobic gas-exchange threshold increased +16% from November to July, whereas the corresponding oxygen uptake, expressed as a percentage of maximum oxygen uptake, increased from 83% to 90%. Maximum oxygen uptake decreased from 6.68 L/min in November to 6.10 L/min in March before rising to 6.51 L/min in July. The corresponding power output increased steadily from 450 W to 481 W.Conclusion:Seasonal variation in body mass and body composition of 4 examined world-class rowers was minimal. Oxygen uptake and power output corresponding to anaerobic threshold continuously increased from off-season to peak competition season. Seasonal variation in maximum oxygen uptake reached ∼10%; however, it remained above 6 L/min, that is, the value consistently observed in top caliber heavyweight rowers regardless of the time of the assessment.

Cardiorespiratory Effects of Weight Reduction by Exercise in Middle-Aged Women with Obesity

1994 ◽  
Vol 22 (3) ◽  
pp. 160-164 ◽  
Author(s):  
J Katoh ◽  
Y Hara ◽  
K Narutaki
Keyword(s):  
Body Mass Index ◽  
Heart Rate ◽  
Oxygen Uptake ◽  
Body Mass ◽  
Weight Reduction ◽  
The Body ◽  
Maximum Oxygen Uptake ◽  
Middle Aged ◽  
Physical Strength ◽  
Exercise Period

The cardiorespiratory responses to weight reduction due to physical exercise were examined in fourteen women with obesity, aged 36 to 67 years (Body Mass Index, 32.4 ± 1.4 kg/m2). The patients were instructed to exercise at approximately 60% of maximum oxygen uptake for 2 h every day for approximately 3 months. To evaluate physical strength, a graded cycling exercise test was performed both before and after the exercise period, monitoring gas exchange, ventilation, and heart rate. After the exercise period the body mass index and percentage fat both decreased by 11% and 18%, respectively ( P < 0.001), although lean body mass did not change; maximum oxygen uptake and maximum heart rate did not change significantly, but peak ventilation equivalent, maximum metabolic equivalent and maximum load increased by 12%, 14% and 11%, respectively ( P < 0.05, P < 0.001 and P < 0.001, respectively). Maximum oxygen uptake per unit body weight increased by 5% ( P < 0.001). These results suggest that weight reduction as a result of exercise improves cardiorespiratory function in middle-aged women with obesity.

scholarly journals Implementation Of The Evaluation Of The Volume Of Maximum Oxygen Uptake (Vo2 Max) Athletes Koni Rokan Hulu

2021 ◽  
Vol 2 (1) ◽  
pp. 1-5
Author(s):  
Ridwan Sinurat
Keyword(s):  
Oxygen Uptake ◽  
The Body ◽  
Maximum Oxygen Uptake ◽  
Maximum Volume ◽  
Intensity Maximum ◽  
Direct Examination ◽  
Vo2 Max ◽  
Physical Conditions ◽  
Maximum Value

The quality of maximum oxygen volume (VO2max) for athletes is important for an athlete's performance. VO2Max is the maximum volume of oxygen that can be used per minute. The maximum amount of oxygen consumed per unit time by a person during exercise or tests, with training progressively heavier until exhaustion, is called VO2Max. The Vo2Max Direct examination is the most accurate test in determining the level of heart and lung fitness in performing physical activities with maximum intensity. Maximum oxygen uptake (Vo2max) is defined as the maximum value at which oxygen can still be taken, distributed, and used by the body when the intensity of physical activity reaches its maximum. This service method provides material on the importance of evaluating physical conditions, especially Vo2max to athletes. This service aims to help the Indonesian National Sports Committee (KONI) Rokan Hulu Regency to find out the fitness of athletes from several sports as seen from VO2 Max. The method used in this service is that all athletes follow the service's direction about the importance of VO2 Max and perform a Multistage Fitness Test (MFT). The results of this dedication by the athletes and management of KONI understand the importance of VO2 Max and the results of the MFT test, only a few athletes in good and other categories are sufficient and low.

Level of cardiovascular fitness and it’s relationship with physical activity and body mass index in young adults of Islamabad

2021 ◽  
pp. 1-12
Author(s):  
Zainab Khatoon ◽  
Muhammad Afzaal Afridi ◽  
Taqdees-e-Maryam ◽  
Afifa Gull ◽  
Hania Farheen
Keyword(s):  
Physical Activity ◽  
Body Mass Index ◽  
Young Adults ◽  
Oxygen Uptake ◽  
Body Mass ◽  
Short Form ◽  
Cardiovascular Fitness ◽  
Maximum Oxygen Uptake ◽  
Normal Body Mass Index ◽  
Significant Difference

Abstract Objective: To determine the level of cardiovascular fitness in young adults, and to find the relationship of maximum oxygen uptake with body mass index and physical activity. Methods: The cross-sectional study was conducted at two private universities in Islamabad, Pakistan, from January to June 2019, and comprised subjects of both genders aged 18-25 years with normal cardiopulmonary system. Physical activity was measured usint the short form of International Physical Activity Questionnaire, while maximum oxygen uptake was measured using the Bruce protocol. Data was analysed using SPSS 24. Results: Of the 321 subjects, 59(18.4%) were males and 262(81.6%) were females. The overall mean age was 21.15±1.73 years. Overall, 190(57.3%) subjects had normal body mass index, 86(26.8%) had high level of physical activity, and 85(26.5%) had moderate level. With respect to to maximum oxygen uptake, 28(47.5%) of the males were in the superior category, while 72(27.5%) women were in the good category. All the vitals along with dyspnoea and fatigue showed significant difference (p?0.05) except oxygen saturation (p=0.062). Maximum oxygen uptake showed negative weak (p=0.40) correlation with body mass index, and weak, positive and significant correlation (p=0.007) with physical activity. Conclusion: Majority of the young adults were found to be active as indicated by the levels of their maximum oxygen uptake and physical activity. Significant correlation was found between cardiovascular fitness and physical activity. Continuous...

Assessment of the Therapeutic Effect of Physiotherapy on Minimizing Imbalances of Geriatric Patients

2020 ◽  
Vol 62 (2) ◽  
pp. 86-91
Author(s):  
Justyna Pawlak ◽  
Małgorzata Dudkiewicz ◽  
Łukasz Kikowski
Keyword(s):  
Quality Of Life ◽  
Therapeutic Effect ◽  
Body Mass ◽  
Geriatric Patients ◽  
The Elderly ◽  
Risk Of Falling ◽  
Increased Risk ◽  
Climbing Stairs ◽  
Tinetti Test

Introduction: The progressing aging process and comorbidities worsen the efficiency of the balance system in the elderly, which leads to a weakening of stability and, as a consequence, to falls and injuries. The first ones lead to: worsening of functioning, reduced mobility, an increased risk of disease and mortality, therefore systematic physical activity and shaping the balance using physiotherapy, which can prevent dangerous falls is very important. Aim: Assessment of the therapeutic effect of physiotherapy on minimizing imbalances in geriatric patients. M aterial and Methods: The study group consisted of 46 people, including 32 women (69.6%) and 14 men (30.4%); average age of respondents – 72.5 years. They were patients of the Department of Rehabilitation of Poddębice Health Center, Ltd. The researchers used a self-made questionnaire, body mass to height index (BMI) and the Tinetti Test. Results: Patients with an elevated BMI (89.1%), as well as those taking more than 4 medication (78.3%), have had more falls over the past year (respectively 91.4% and 81.4%). After the use of comprehensive therapy, none of the patients achieved a worse result than before the physiotherapy while 91.3% of the respondents had an increase in the number of points scored in the Tinetti Test. The percentage of patients at high risk of falling reduced from 67.4% to 37%. There was also a decrease in the fear of walking (in 58.7%), falling (in 57.7%) and climbing stairs (in 47.9%). According to 78.3% of respondents, physiotherapy positively affected their independence and quality of life. Conclusions: The use of comprehensive physiotherapy reduces the fear of walking, climbing stairs and falling, which can be a good predictor of prevention. Both polypragmasia and an elevated body mass index (BMI) increase the risk of falling. Comprehensive physiotherapy of geriatric patients helps to improve balance and gait stereotype. Physiotherapy for the elderly helps improve the quality of life, independence, minimize imbalances, and thus reduce the risk of falls. Balance exercises play an important role in preventing falls.

scholarly journals Differences in exercise capacity and health-related quality of life according to the body mass index in patients with COPD

Pulmonology ◽  
2021 ◽  
Author(s):  
Jhonatan Betancourt-Peña ◽  
Juan Carlos Ávila-Valencia ◽  
Diana Milena Diaz-Vidal ◽  
Vicente Benavides-Córdoba
Keyword(s):  
Quality Of Life ◽  
Body Mass Index ◽  
Exercise Capacity ◽  
Body Mass ◽  
The Body ◽  
Health Related Quality ◽  
Related Quality ◽  
Health Related
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