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Asian Journal of Sports Medicine

Shahin Salehi, Farhad Moradi Shahpar, Gholamreza Norouzi, Farshad Ghazalian, Mehrshad Poursaid Esfehani, Amir Hosein Abedi Yekta
BACKGROUND: Athletes' health is an important issue and for promoting it, pre-participation examination (PPE) is widely performed by responsible bodies around the world. OBJECTIVES: This study was to determine prevalence of cardiovascular disorders among athletes participating in the Asian games and answering the question whether the electrocardiogram (ECG) is a necessary part of pre-participation examination (PPE) for prevention of sudden cardiac death. MATERIALS AND METHODS: All athletes participated at Asian games came to sports medicine federation for a PPE including a comprehensive questionnaire, physical examination and ECG...
June 2016: Asian Journal of Sports Medicine
Paulo Roberto Pereira Santiago, Luiz Henrique Palucci Vieira, Fabio Augusto Barbieri, Felipe Arruda Moura, Juliana Exel Santana, Vitor Luiz de Andrade, Bruno Luiz de Souza Bedo, Sergio Augusto Cunha
BACKGROUND: Kicking performance is the most studied technical action in soccer and lower limbs kinematics is closely related to success in kicking, mainly because they are essential in imparting high velocity to the ball. Previous studies demonstrated that soccer leagues in different countries exhibit different physical demands and technical requirements during the matches. However, evidencewhether nationality has any influence in the kinematics of soccer-related skills has not yet been reported...
June 2016: Asian Journal of Sports Medicine
Mehdi Rouissi, Moktar Chtara, Ahmed Berriri, Adam Owen, Karim Chamari
BACKGROUND: The modified Illinois change of direction test (MICODT) is an asymmetrical test because the numbers of changes of direction performed to the right and to the left are unequal. Therefore, it is possible that the asymmetry of this test may influence agility performance testing. OBJECTIVES: The aim of this study was to compare two opposite/mirrored versions of the modified Illinois change of direction test. PATIENTS AND METHODS: Forty-six right-footed soccer players (17...
June 2016: Asian Journal of Sports Medicine
Masoud Shafieinia, Alireza Hidarnia, Anoushirvan Kazemnejad, Reza Rajabi
BACKGROUND: Regular physical activity has been highlighted as an important factor in decreasing about 25 factors harmful to health, such as obesity, diabetes, heart failure, depression and osteoporosis. Female office workers, because of the long hours they stay seated in their workplace, are seriously threatened by immobility. The Theory of Planned Behavior has been successfully used several times to predict PA behaviorphysical activity (PA). The TPB studies also have identified perceived behavioral control as the key determinant of walking intentions...
June 2016: Asian Journal of Sports Medicine
Komsak Sinsurin, Roongtiwa Vachalathiti, Wattana Jalayondeja, Weerawat Limroongreungrat
BACKGROUND: Jump landing is a complex movement in sports. While competing and practicing, athletes frequently perform multi-planar jump landing. Anticipatory muscle activity could influence the amount of knee flexion and prepare the knee for dynamic weight bearing such as landing tasks. OBJECTIVES: The aim of the present study was to examine knee muscle function and knee flexion excursion as athletes naturally performed multi-direction jump landing. MATERIALS AND METHODS: Eighteen male athletes performed the jump-landing test in four directions: forward (0°), 30° diagonal, 60° diagonal, and lateral (90°)...
June 2016: Asian Journal of Sports Medicine
Mansooreh Aliasgharpour, Zahra Abbasi, Shadan Pedram Razi, Anoshiravan Kazemnezhad
BACKGROUND: The restless legs syndrome is a sensorimotor disorder that is very common in patients on hemodialysis. Due to pharmacological treatments which have their own side effects, nowadays, studies have turned to non-pharmacological treatments. OBJECTIVES: The present study aims to assess the effect of stretching exercises on the severity of restless legs syndrome in patients on hemodialysis. PATIENTS AND METHODS: This clinical trial study was conducted on 33 patients who had been identified using diagnostic criteria from the hemodialysis ward of Hasheminejad Hospital in Tehran...
June 2016: Asian Journal of Sports Medicine
Victor Silveira Coswig, David Hideyoshi Fukuda, Solange de Paula Ramos, Fabricio Boscolo Del Vecchio
BACKGROUND: One of the goals for training in combat sports is to mimic real situations. For mixed martial arts (MMA), simulated sparring matches are a frequent component during training, but a there is a lack of knowledge considering the differences in sparring and competitive environments. OBJECTIVES: The main objective of this study was to compare biochemical responses to sparring and official MMA matches. MATERIALS AND METHODS: Twenty five male professional MMA fighters were evaluated during official events (OFF = 12) and simulated matches (SIM = 13)...
June 2016: Asian Journal of Sports Medicine
Maamer Slimani, Bianca Miarka, Walid Briki, Foued Cheour
BACKGROUND: Kickboxing is a high-intensity intermittent striking combat sport, which is characterized by complex skills and tactical key actions with short duration. OBJECTIVES: The present study compared and verified the relationship between mental toughness (MT), countermovement jump (CMJ) and medicine ball throw (MBT) power tests by outcomes of high-level kickboxers during National Championship. MATERIALS AND METHODS: Thirty two high-level male kickboxers (winner = 16 and loser = 16: 21...
June 2016: Asian Journal of Sports Medicine
Behnam Behnoush, Nasim Tavakoli, Elham Bazmi, Fariborz Nateghi Fard, Mohammad Hossein Pourgharib Shahi, Arash Okazi, Tahmineh Mokhtari
BACKGROUND: Universal goniometer (UG) is commonly used as a standard method to evaluate range of motion (ROM) as part of joint motions. It has some restrictions, such as involvement of both hands of the physician, leads to instability of hands and error. Nowadays smartphones usage has been increasing due to its easy application. OBJECTIVES: The study was designed to compare the smartphone inclinometer-based app and UG in evaluation of ROM of elbow. MATERIALS AND METHODS: The maximum ROM of elbow in position of flexion and pronation and supination of forearm were examined in 60 healthy volunteers with UG and smartphone...
June 2016: Asian Journal of Sports Medicine
Pantelis Theodoros Nikolaidis, Panagiotis Meletakos, Ioannis Tasiopoulos, Ioannis Kostoulas, Panagiotis Ganavias
BACKGROUND: The repeated sprint ability (RSA) has been studied with protocols using distances longer than 20 m per sprint, whereas basketball players cover on average less than 20-meter distance per sprint during match. OBJECTIVES: The aim of the present study was to examine the physiological impact of 10 × 15 m RSA test in straight-line (RSASL) or with change of direction (RSACOD), i.e. 10 × (7.5 + 7.5 m)) in young national level basketball players. PATIENTS AND METHODS: Young basketball players (n = 11, age 17...
June 2016: Asian Journal of Sports Medicine
Behrouz Baghaiee, Mohammad Reza Aliparasti, Shohreh Almasi, Marefat Siahkuhian, Behzad Baradaran
BACKGROUND: Energy production is a necessary process to continue physical activities, and exercise is associated with more oxygen consumption and increase of oxidative stress. what seems important is the numerical relationship between antioxidant and free radicals. Although the activity of some enzymes increases with physical activities, but it is possible that gene expression of this enzyme is not changed during exercise. OBJECTIVES: The aim of the present study is to investigate the antioxidant enzymes gene expression and changes in malondialdehyde (MDA) and total antioxidant capacity (TAC) levels in men and women affected by a session of incremental exercise and to carefully and numerically assess the relationship between MDA changes and gene expression and activity of antioxidant enzymes...
June 2016: Asian Journal of Sports Medicine
Leila Vakili, Farzin Halabchi, Mohammad Ali Mansournia, Mohammad Reza Khami, Shahla Irandoost, Zahra Alizadeh
BACKGROUND: Musculoskeletal disorders are common problems among dentists. These conditions may lead to inappropriate postures and impairment in physical and psychological function. On the other hand, poor postures and inappropriate ergonomic may result in a wide variety of musculoskeletal disorders. OBJECTIVES: The aim of this study was to investigate the prevalence of common postural disorders of the spine and shoulder girdle among the dentists and possible correlations between demographic, anthropometric and occupational characteristics with these abnormal postures...
June 2016: Asian Journal of Sports Medicine
Brad J Schoenfeld, Dan Ogborn, Bret Contreras, Tom Cappaert, Alex Silva Ribeiro, Brent A Alvar, Andrew D Vigotsky
BACKGROUND: It has been hypothesized that the ability to increase volume load (VL) via a progressive increase in the magnitude of load for a given exercise within a given repetition range could enhance the adaptive response to resistance training. OBJECTIVES: The purpose of this study was to compare changes in volume load (VL) over eight weeks of resistance training (RT) in high-versus low-load protocols. MATERIALS AND METHODS: Eighteen well-trained men were matched according to baseline strength were randomly assigned to either a low-load RT (LOW, n = 9) where 25 - 35 repetitions were performed per exercise, or a high-load RT (HIGH, n = 9) where 8 - 12 repetitions were performed per exercise...
June 2016: Asian Journal of Sports Medicine
Vincent Gouttebarge, Haruhito Aoki, Evert Verhagen, Gino Kerkhoffs
BACKGROUND: Mental disorders have become a topic of increasing interest in research due to their serious consequences for quality of life and functioning. OBJECTIVES: The objective of this study was to explore the relationship of level of education, employment status and working hours with symptoms of common mental disorders (distress, anxiety/depression, sleep disturbance, adverse alcohol behaviour, smoking, adverse nutritional behaviour) among current and retired professional footballers...
June 2016: Asian Journal of Sports Medicine
Vinicius Radenzev Simões, Alex Harley Crisp, Rozangela Verlengia, Idico Luiz Pellegrinotti
BACKGROUND: Motocross is one of the most popular motorized off-road sports, characterized by riding on irregular natural terrain of hard earth and/or sand with various obstacles throughout the course. OBJECTIVES: This study evaluated the influence of a motocross training session on neuromuscular response and blood lactate in amateur riders. PATIENTS AND METHODS: Nine motocross riders (22.7 ± 2.8 years) participating in amateur competitions at the state level conducted a training session of 20 minutes duration at a motocross track (1...
June 2016: Asian Journal of Sports Medicine
Pegah Jahani, Mohsen Salesi, Maral Marzban, Gholamreza Abdollahifard
BACKGROUND: Headache is certainly one of the most common medical complaints of general population and one of the important causes of consumption of drugs. Despite its high overall prevalence, the epidemiology of exertional headache is not clear enough. OBJECTIVES: To determine the prevalence of headache in athletic and non-athletic university students and also estimating its variation between different sports fields including concussion prone sports. MATERIALS AND METHODS: This cross-sectional study comprised 739 subjects (367 athletes and 372 non-athletes)...
March 2016: Asian Journal of Sports Medicine
Reza Mazaheri, Farzin Halabchi, Tohid Seif Barghi, Mohammad Ali Mansournia
BACKGROUND: The elite-level referee is exposed to similar physical demands to those placed on a midfield soccer player. They have an important responsibility to implement the rules of the game. So, good health and performance of soccer referees have a great importance. OBJECTIVES: The purpose of this study was to assess the cardiorespiratory fitness and body composition of all 78 soccer referees officiating at the Iranian Premier League and determine the correlation between these parameters and performance...
March 2016: Asian Journal of Sports Medicine
Vincent Gouttebarge, Brendan A Hughes Schwab, Adam Vivian, Gino M M J Kerkhoffs
BACKGROUND: Epidemiological data on the occurrence of time-loss injuries over several A-League seasons remains lacking, while the effect of the mandatory implementation of 'Minimum Medical Standards' as a part of the collective bargaining agreement (CBA) needs to be explored. OBJECTIVES: To explore the 5 year evolution of hamstring, groin, knee, ankle and total time-loss injuries among professional footballers in the A-League; to evaluate the consequences of these time-loss injuries in terms of total matches missed and costs incurred; and to explore whether the mandatory implementation of 'Minimum Medical Standards' in the A-League had led to a decrease in the occurrence of total time-loss injuries and total matches missed...
March 2016: Asian Journal of Sports Medicine
Dariush Sheikholeslami-Vatani, Slahadin Ahmadi, Rashad Salavati
BACKGROUND: Exercise order affects repetition performance and acute hormonal responses to resistance training (RT) programs. OBJECTIVES: The purpose of this study was to compare the acute effects of two different resistance exercise orders (REO) on number of repetitions and serum Insulin-like Growth Factor-1 (IGF-1), testosterone and cortisol levels in normal-weight and obese men. MATERIALS AND METHODS: 25 untrained college-aged men were assigned to either obese (n = 11) or normal-weight (n = 15) groups...
March 2016: Asian Journal of Sports Medicine
Eiji Miyake, Mitsunobu Yatsunami, Jun Kurabayashi, Koji Teruya, Yasuhiro Sekine, Tatsuaki Endo, Ryuichiro Nishida, Nao Takano, Seiko Sato, Han Jae Kyung
BACKGROUND: Injury prevention programs have recently been created for various sports. However, a longitudinal study on badminton injuries, as assessed by a team's dedicated medical staff, at the gymnasium has not been performed. OBJECTIVES: We aimed to perform the first such study to measure the injury incidence, severity and type as the first step in creating a badminton injury prevention program. PATIENTS AND METHODS: A prospective, longitudinal survey was conducted between April 2012 and March 2013 with 133 national tournament-level badminton players from junior high school to university in Japan with the teams' physical therapists at the gymnasium...
March 2016: Asian Journal of Sports Medicine
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