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Asian Journal of Sports Medicine

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https://www.readbyqxmd.com/read/28144416/a-decade-of-sports-and-exercise-medicine-specialty-program-in-iran-achievements-and-challenges
#1
EDITORIAL
Ramin Kordi, Navid Moghadam
No abstract text is available yet for this article.
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28144415/acute-cardiovascular-and-hemodynamic-responses-to-low-intensity-eccentric-resistance-exercise-with-blood-flow-restriction
#2
Behzad Bazgir, Mojtaba Rezazadeh Valojerdi, Hamid Rajabi, Rouhollah Fathi, Seyed Mojtaba Ojaghi, Mohammad Kazem Emami Meybodi, Gabriel R Neto, Mostafa Rahimi, Alireza Asgari
BACKGROUND: Recently it has been suggested that low intensity (LI) resistance exercise (RE) alone or in combination with blood flow restriction (BFR) can be applied for cardiovascular function improvement or rehabilitation. OBJECTIVES: The aim of the present study was to investigate the acute effects of LI eccentric RE with and without BFR on heart rate (HR), rate pressure product (RPP), blood pressure (BP) parameters [systolic, diastolic, and mean arterial pressure (MAP)], oxygen saturation (SpO2) and rate of perceived exertion (RPE)...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28144414/comparison-of-lateral-abdominal-muscle-thickness-and-cross-sectional-area-of-multifidus-in-adolescent-soccer-players-with-and-without-low-back-pain-a-case-control-study
#3
Pardis Noormohammadpour, Alireza Hosseini Khezri, Paweł Linek, Mohammad Ali Mansournia, Alireza Hassannejad, Ali Younesian, Farzin Farahbakhsh, Ramin Kordi
BACKGROUND: Low back pain (LBP) is a common complaint amongst adolescent athletes. While different studies have shown association between LBP and trunk muscle thickness in the general population, few articles have studied it in adolescent athletes. OBJECTIVES: The aim of this study is to compare lateral abdominal muscle thickness and function, and cross sectional area (CSA) of lumbar multifidus (LM) in adolescent soccer players with and without LBP. METHODS: In total, 28 adolescent soccer players with and without LBP, from the premier league participated in this study...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28144413/the-isokinetic-and-electromyographic-assessment-of-knee-muscles-strength-in-the-short-and-long-term-type-2-diabetes
#4
Ahmadreza Askary-Ashtiani, Ali Ghanjal, Monireh Motaqi, Gholam Hossein Meftahi, Boshra Hatef, Hoda Niknam
BACKGROUND: Type 2 diabetes (T2DM) patients are subject to muscle weakness. OBJECTIVES: The aim of the study was an assessment of electromyographic (EMG) activity of knee muscles during isometric maximal voluntary contraction in the different disease durations of T2DM. METHODS: Eighteen patients with less than 10 years and twelve patients with more than 10 years of T2DM were compared with nineteen matched healthy control subjects. EMG of flexor and extensor muscles of knee concurrently with isometric maximal peak torque of knee flexion and extension at 75 degrees of knee flexion were recorded in three groups...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28144412/secular-trend-in-thinness-prevalence-for-26-years-1989-2014-among-high-school-runners-in-japan
#5
Norimitsu Kinoshita, Rei Fukuda
BACKGROUND: Female distance runners are predisposed to thinness for performance reasons and at greater risk for health-related consequences than the general population. OBJECTIVES: The aim of the study was to evaluate the secular trends in thinness among competitive distance runners in Japanese high schools with sex-specific comparison. METHODS: Body mass index (BMI) were analysed in 9,881 female and 12,786 male runners participating in the annual national road relay races between 1989 and 2014 using the directory of a track and field magazine...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28144411/temporal-changes-in-technical-and-physical-performances-during-a-small-sided-game-in-elite-youth-soccer-players
#6
Alexandre Moreira, Marcelo Saldanha Aoki, Chris Carling, Rafael Alan Rodrigues Lopes, Ademir Felipe Schultz de Arruda, Marcelo Lima, Umberto Cesar Correa, Paul S Bradley
BACKGROUND: There have been claims that small-sided games (SSG) may generate an appropriate environment to develop youth players' technical performance associated to game-related problem solving. However, the temporal change in technical performance parameters of youth players during SSG is still unknown. OBJECTIVES: The aim of this study was to examine temporal changes in technical and physical performances during a small-sided game (SSG) in elite soccer players...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28144410/can-resistance-exercise-alter-irisin-levels-and-expression-profiles-of-fndc5-and-ucp1-in-rats
#7
Jalil Reisi, Kamran Ghaedi, Hamid Rajabi, Sayyed Mohammad Marandi
BACKGROUND: Irisin is a new myokine secreted from the skeletal muscle and appears to affect the metabolism of adipose tissue. OBJECTIVES: The mechanisms of cellular and molecular identification by which exercise training exerts its benefits remain unclear and are under investigation. METHODS: We examined the effect of 8-week resistance exercise on plasma irisin levels and expression profiles of muscle FNDC5 and subcutaneous adipose tissue UCP1 in male rats...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28144409/effect-of-treadmill-running-on-morphine-dependence-before-and-after-medial-prefrontal-cortex-lesion-in-rats
#8
Vajihe Saedi Marghmaleki, Hojjatallah Alaei
BACKGROUND: Previous studies on the medial prefrontal cortex (mPFC) has shown that this area plays an important role in addiction behavior. Other studies also indicated that exercise decreases use of morphine. OBJECTIVES: The aim of this study was to evaluate the effects of short-term exercise on trends for use of morphine with an intact mPFC and lesion of that area. METHODS: 50 rats randomly were selected and divided into 5 groups. 1-exercise...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28144408/health-psychological-constructs-as-predictors-of-doping-susceptibility-in-adolescent-athletes
#9
Cornelia Blank, Wolfgang Schobersberger, Veronika Leichtfried, Stefan Duschek
BACKGROUND: Doping is a highly relevant problem in sport, even in adolescent athletes. Knowledge of the psychological factors that influence doping susceptibility in young elite athletes remains sparse. OBJECTIVES: This study investigated the predictive potential of different health-psychological constructs and well-being on doping susceptibility. The main hypotheses to be tested were positive associations of fear of failure, external locus of control, and ego-oriented goal orientation as well as negative associations of confidence of success, task orientation, internal locus of control, and performance motivation with doping susceptibility...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28144407/knee-injuries-in-wrestlers-a-prospective-study-from-the-indian-subcontinent
#10
Shalini Agarwal, Ekta Mann
BACKGROUND: Wrestling is a very popular sport the world over and its popularity is rapidly increasing in India. However, due to its arduous nature it is associated with a high incidence of injuries. Out of all the injuries, those to the knee are one of the commonest injuries reported. OBJECTIVES: Our aim was to study the pattern of these injuries in the Indian wrestlers. METHODS: A prospective study was conducted involving 196 wrestlers who were followed up over a period of 2 years...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28144406/fatigue-effect-on-linear-center-of-pressure-measures-during-gait-in-people-with-flat-feet
#11
Mohammad Ali Sanjari, Sahar Boozari, Ali Ashraf Jamshidi, Mohammad Reza Nikmaram
BACKGROUND: Flat foot, as one of the common foot deformities can affect gait biomechanics and risk of lower extremity injury. Fatigue, as a high load task, can also change biomechanical parameters of locomotion. Studying normal and flat footed individuals under high load tasks such as fatigue can elucidate their differences more easily. OBJECTIVES: In this study, center of pressure (CoP) changes were studied between individuals with flat and normal feet after fatigue...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28144405/the-impact-of-kitesurfing-on-the-dynamic-equilibrium
#12
Rafael Leonardo Ferreira da Luz, Fernando Alves da Silva, Marcelo Coertjens
BACKGROUND: The kitesurfing athletes endure unexpected conditions in terms of the function of irregularities in the surface of the water that requires a correct proprioceptive response in order to maintain equilibrium and execute the required movements while maintaining contact with the board and the water. OBJECTIVES: The objective of this work was to use the star excursion balance test to compare the dynamic equilibrium of athletes who engage in kitesurfing activities with non-athletic subjects...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28144404/knee-laxity-variations-in-the-menstrual-cycle-in-female-athletes-referred-to-the-orthopedic-clinic
#13
Seyed Esmaeel Shafiei, Sepideh Peyvandi, Mohamad Hosein Kariminasab, Masoud Shayesteh Azar, Seyed Mohamad Mehdi Daneshpoor, Alireza Khalilian, Zeinab Aghajantabar
BACKGROUND: Anterior cruciate ligament (ACL) rupture is the biggest concern for orthopedic surgeons who are involved in sports injuries, so most of ACL reconstruction surgeries are sports related. ACL injuries in female athletes are 2 - 8 times more common than male athletes in similar sport injuries. OBJECTIVES: The aim of this study was to compare knee laxity changes in the menstrual cycle in female athletes referred to the orthopedic clinic of Imam Khomeini hospital in the north of Iran, Sari, 2013...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/27826405/the-effect-of-20-minutes-scuba-diving-on-cognitive-function-of-professional-scuba-divers
#14
Seyedeh Faezeh Pourhashemi, Hedayat Sahraei, Gholam Hossein Meftahi, Boshra Hatef, Bahareh Gholipour
BACKGROUND: Physical activity increases the performance of the nervous system by stimulating the body's metabolism and improving the efficiency of the ATP production system. OBJECTIVES: In the present study, the effect of twenty minutes scuba diving in high depth (10m) on cognitive function and stress system activity was investigated. METHODS: Twelve professional scuba divers with a mean age of 23 ± 1 year, weight of 80 ± 2.5 kg and height of 1...
September 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/27826404/the-activation-pattern-of-trunk-and-lower-limb-muscles-in-an-electromyographic-assessment-comparison-between-ground-and-treadmill-walking
#15
Reza Mazaheri, Mohammad Ali Sanjari, Gelareh Radmehr, Farzin Halabchi, Hooman Angoorani
BACKGROUND: Due to biomechanical differences, various patterns of muscle contraction are expected to occur while walking over ground versus when walking on a treadmill. OBJECTIVES: This study aimed to compare amplitude and duration of activation of selected trunk and lower extremity muscles during over-ground and treadmill walking. MATERIALS AND METHODS: Through a simple sampling method, 19 sedentary healthy men within the age range of 20 - 40 were selected...
September 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/27826403/the-effect-of-increasing-volume-of-exercise-on-activation-pattern-of-vastus-medialis-and-lateralis-and-its-correlation-with-anterior-knee-pain-in-karate-elites
#16
Afsaneh Safar Cherati, Sara Lotfian, Aliashraf Jamshidi, Mohammad Ali Sanjari, Mohammad Razi
BACKGROUND: The effects of exercise volume on the pattern of muscle activity is one of the most important factors in training management and injury risk reduction. In the lower limb, the quadriceps muscle which plays a determining role in performing the stance and other karate techniques could be injured in intensive exercise and may induce anterior knee pain in athletes. OBJECTIVES: The aim of this study was to determine the relationship between training volume and muscle activity of vastus medialis and vastus lateralis and its association with anterior knee pain in karate elites...
September 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/27826402/the-prevalence-of-selected-intrinsic-risk-factors-for-ankle-sprain-among-elite-football-and-basketball-players
#17
Farzin Halabchi, Hooman Angoorani, Maryam Mirshahi, Mohammad Hosein Pourgharib Shahi, Mohammad Ali Mansournia
BACKGROUND: Lateral ankle sprains (LAS) are among the most common sports- related injuries and the reinjury rate is very high. OBJECTIVES: This study aimed to evaluate the prevalence of some intrinsic risk factors among professional football and basketball players with or without history of acute or recurrent ankle sprain. PATIENTS AND METHODS: One hundred and six professional football and basketball players who were referred for pre-participation examinations were recruited in this study...
September 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/27826401/effects-of-ramadan-fasting-on-inspiratory-muscle-function
#18
Mohsen Soori, Shahram Mohaghegh, Maryam Hajain, Behrooz Moraadi
BACKGROUND: Ramadan fasting is a major challenge for exercising Muslims especially in warm seasons. There is some evidence to indicate that Ramadan fasting causes higher subjective ratings of perceived exertion (RPE) in fasting Muslims. The mechanisms of this phenomenon are not known exactly. The role of respiratory muscle strength in this regard has not been studied yet. OBJECTIVES: The aim of this study was investigation of the effects of Ramadan fasting on respiratory muscle strength...
September 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/27826400/the-prevalence-and-characteristics-of-performance-enhancing-drug-use-among-bodybuilding-athletes-in-the-south-of-iran-bushehr
#19
Mohammad Javad Haerinejad, Afshin Ostovar, Mohamad Reza Farzaneh, Mojtaba Keshavarz
BACKGROUND: Several reports have implied progressive increase of performance-enhancing drug (PED) use among Iranian athletes. More importantly, most of the previous research in the Iranian population had mainly focused on the anabolic steroid abuse, and ignored other agents. OBJECTIVES: The aim of this study was to investigate the prevalence and characteristics of PED use among bodybuilding athletes in Bushehr, south of Iran. METHODS: Four hundred and fifty three male bodybuilding athletes were recruited from Bushehr gyms between February and May of 2015...
September 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/27826399/contact-karate-promotes-post-exercise-hypotension-in-young-adult-males
#20
Marcelo Magalhaes Sales, Caio Victor de Sousa, Wellington Barbosa Sampaio, Carlos Ernesto, Rodrigo Alberto Vieira Browne, Jose Fernando Vila Nova de Moraes, Daisy Motta-Santos, Milton Rocha Moraes, John Eugene Lewis, Herbert Gustavo Simões, Francisco Martins da Silva
BACKGROUND: Worldwide, systemic arterial hypertension is a leading cause of death and non-communicable cardiovascular disease. A major factor contributing to this disease is a sedentary lifestyle. However, physical exercise, such as martial arts, may be an option for blood pressure (BP) control. The magnitude of post-exercise hypotension is associated with a prolonged decrease in BP in normotensive and hypertensive individuals. OBJECTIVES: The present study aimed to verify the effects of a Contact Karate (CK) session on BP responses during a post-exercise recovery period in young adults...
September 2016: Asian Journal of Sports Medicine
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