Bulent Bayraktar

• Medical Doctor at Istanbul University

Examining the acute effects of soccer spesific fatigue on balance in youth players temporally

The aim of the present study was to evaluate the characteristics of match injury in male beach soccer players. Video recordings of all official beach soccer tournaments in which the European national male beach soccer teams participated from 2018 to 2021 were analysed by two sports medicine specialists retrospectively. Regarding each injury, data i...

Objectives: We aim to investigate the accuracy of shear-wave elastography (SWE) in diagnosing patellar tendinopathy in female volleyball and basketball players. In addition, we compared different parts of the patellar tendon and investigated the effects of different knee angles on elastography measurements. Methods: This cross-sectional case-con...

The aim of the study is to investigate the effect of the acute application of foam roller and massage gun, which are self-myofascial techniques, on muscle architecture and muscle stiffness. 27 male athletes participated in the study. Within the scope of the study, the athletes were randomly divided into 3 groups as 1st group foam roller (FR), 2nd g...

Introduction: Hamstring strains are common in football (soccer). It has been stated that most hamstring injuries in football occur during running and majority of these injuries occur in the final stages of a football match. Approximately half (47%) of hamstring injuries occur in the last third of the first and second half of the matches. Fatigue ma...

This study aimed to evaluate depression, anxiety, and stress prevalence and correlates among professional football team medical and allied health staff (MAHS) in Turkey. An online survey was sent to all MAHS (n = 865) attending the professional development accreditation course organized at the end of the 2021-2022 football season in Turkey. Three s...

Aim: Vertebral body tethering (VBT) is a non-fusion, motion-preserving surgery for adolescent idiopathic scoliosis (AIS). This study aimed to investigate lumbar motion and muscle change after VBT surgery by comparing to selective thoracal fusion surgery (STF). Method: We performed a prospective study that included 16 patients (13 female, 3 male) wh...

Objectives:Adolescence is a transitional period in which young people experience significant psychological, biological, cognitive, social/emotional, and interpersonal changes. During this period, participation in sports contributes to the positive development of the mind and body. This study aimed to evaluate the motivations for sports participatio...

COVID-19 and the restrictions during this period have negative effects on mental health of individuals.One of the areas affected within the framework of restrictions is sports. Athletes’ve faced significant changes in their lifestyles, relationships; economy as well as professional goals.They trained in limited days/times, or not at all; couldn’t p...

Although referees who officiate in the amateur football leagues are exposed to various stressors that can negatively affect their mental health (MH), little is known about their MH symptoms. The purpose of the study was to evaluate MH symptoms of referees who officiate in the Turkish amateur football leagues. An online survey was sent to all refere...

The present study evaluated the mental health (MH) of athletes according to a range of variables, including SARS-CoV-2 infection status and sport-specific factors. An online survey was sent to 1636 Turkish professional athletes incorporating standardized scales assessing athlete-specific stress, depression, and anxiety. A total of 579 professional...

Objective The purpose of the study was to evaluate the mental health (MH) status of referees who officiate in the Turkish professional football leagues. Method An online survey was sent to all referees in the Turkish professional football leagues (n = 630) incorporating standardized scales assessing depression, anxiety, and stress. Results A tota...

Background: Although the negative psychological impact of the pandemic on athletes is well known, there is currently insufficient evidence regarding mental health (MH) problems among athletes infected with SARS-CoV-2. The aim of the present study was to evaluate the association between MH problems, demographics, and SARS-CoV-2 related variables in...

BACKGROUND: Although the most important tool for diagnosing sports injuries is physical examination, further examinations are needed in some cases to confirm the diagnosis and determine the degree of injury that leads to increased diagnostic and treatment costs. METHODS: The scope of this descriptive study contains all patients who applied to the S...

Aim: The Covid-19 pandemic has affected all sports events, as well as the Turkish Women’s Football League. The 2019-2020 season was first ceasedthan cancelled. The league’s 2020-2021 season was played in Antalya, with the participation of 16 teams in a “bubble” tournament format, between 17 April and 5 May 2021. This study aims to investigate the f...

BACKGROUND: We aim to determine the frequency of structural and nonstructural scoliosis in children and evaluate the relationship between sportive activity and nonstructural scoliosis. METHODS: Three hundred and fourteen (314) children and adolescents (149 boys and 165 girls) between the ages of 8-16 were evaluated with forward bending test and the...

Reciprocal interactions between the motivation of athletes and behaviors of the coaches can be affected by the age and sexual development of athletes. This study aimed to evaluate the interaction between sports motivation of adolescents football players and the perception of coaches' behaviors. Registered Turkish Football Association infrastructure...

Objectives: The aim of this study was to investigate the incidence and characteristics of match and training injuries in elite-level national male beach soccer players. Method: The incidence, mechanism, location, type, severity, and burden of injuries of the Turkish national beach soccer team were recorded between 2017-2019. Results: A total of 136...

Talent identification in football corresponds to the adolescent period which with biological maturation differences. To support the best professional player candidate, performance variables are analyzed at an early age. In this study, individual league performances of adolescent football players were evaluated among those who were invited and non-i...

Objectives: In kitesurfing, regular training programs are difficult to implement and also injury risk is high. In this study; shoulder, hip and ankle range of motion (ROM) and balance test results of kitesurfers were compared with healthy controls and the relationships between kitesurfer injuries, and ROM and balance test results were examined. Ma...

Purpose: The aim of this study was to determine the prevalence of asymptomatic radiographic findings of femoroacetabular impingement (FAI) in paediatric football players in different age groups and to investigate aetiological factors. Methods: Paediatric male athletes between 10 and 17 years of age from 8 soccer teams were recruited. In addition...

To increase movement capacity and to reduce injury risk in young soccer players by implementing a special functional exercise program based on functional movement screen (FMS) and correctives. 67 young male athletes 14-19 years of age from a Super League Football Club Academy participated in the study. Functional movement patterns were evaluated wi...

GİRİŞ: Her spor dalında olduğu gibi futbolda da futbol oynama amacı, bireysel psikolojik farklılıklar futbolcunun lig performansını etkileyebilmektedir. Özellikle adolesan döneminde fiziksel ve psikolojik farklılıklar oldukça yoğun ve labil yaşanmaktadır. Bu değişikliklerin futbolcunun lig performansına yansıması çoğu zaman kaçınılmaz olabilmektedi...

GirişPostür, vücut bölümlerinin birbirleri ile ilişkili biçimdeki duruş şekli ve duruş vaziyetidir. Ayrıca, herhangi bir zamanda vücudun tüm noktalarının duruşlarının birleşenidir. AmaçHastanemiz spor hekimliği polikliniğine spor lisansı almak ve/veya yenilemek yada spora katılım öncesi sağlık kontrollerinden geçmek için başvuran çocuk ve gençlerde...

GİRİŞ: Aynı kronolojik yaşta doğum tarihi erken olanların sporda yetenek seçimlerinde avantajlı oldukları bilinmektedir Ancak spora özgü motivasyonda, fonksiyonel kapasitede relatif yaş etkisinin olmadığını gösteren çalışmalar da vardır. AMAÇ: Aynı kronolojik yaştaki erkek futbolcularda teknik/taktik ve atletik performans değerlendirmelerinde relat...

GİRİŞ: Adolesan dönemde özellikle büyüme ve maturasyonda belirgin farklılıklar meydana gelmektedir. Aynı kronolojik yaş grubundaki erkeklerde biyolojik maturasyon çeşitliliği sporcularda kas gücünü, dayanıklılığı, hızı, performansı etkilemektedir. Bu etkinin gösterilebilmesi, ölçülebilmesi için minimum-maksimum ne kadar zamana ihtiyaç olduğu net de...

GİRİŞ: Son yıllarda sporda yetenek seçimi ve geliştirme programları gündemdedir. Futbolda da yeteneğin seçilmesinde, geliştirilmesinde pratik uygulamada kabul gören tek bir rehber yoktur. Fakat tercih edilen erken dönem futbola başlanması, yeteneğin ortaya çıkarılması ve antreman programlarıyla geliştirilmesidir. Bu adolesan dönemde kolay görülmeme...

GİRİŞ: Futbola erken yaşta başlamak, yeteneğin ortaya çıkarılması ve doğru geliştirilmesi zor ve uzun bir süreçtir. Bu süreçte hem yetenekli hem de iyi yönlendirilmiş olan futbolcular milli takım kamplarına davet edilmekte ve milli futbolcu olmanın ilk adımlarını da atmış olmaktadır.AMAÇ: U-14 yaş kategorisinde milli takım seçilme kampına davet edi...

GİRİŞ: Popüler bir takım sporu olan futbolda gruplandırma kronolojik yaş esas alınarak yapılmaktadır. Aynı kronolojik yaşta doğum tarihi erken olanların geç olanlardan daha avantajlı olduğunu gösterir çalışmalar vardır. Yetenekli futbolcunun desteklenmesi, elenmemesi için relatif yaşın spora spesifik özelliklere, performans testlerine etkisi bilinm...

GİRİŞ: Futbol gibi fiziksel performansa dayalı takım sporunda özel yaş grupları vardır. İlk milli takım seçmelerinin yapıldığı U-14 yaş kategorisi bunlardan biridir. Özellikle adolesanlarda aynı kronolojik yaş grubundaki futbolcular fiziksel ve psikolojik olarak belirgin farklılıklar gösterebilirler.AMAÇ: Relatif yaşın bilinen fiziksel olgunluk ve...

The aim of this study is to investigate the effect of acute creatine monohydrate supplementation on fatigue and anaerobic performance. Thirty young soccer players participated in this study. Participants continued their training without taking any food supplements for 5 days, taking 0.3 g of milk dust per kg for 5 days and using 0.3 g creatine mono...

Futbol gibi yüksek performanslı takım sporunda adolesan dönemdeki sporcularda relatif yaşın hem performans hem de futbolu bırakma üzerine etkisini gösteren çalışmalar vardır. Bu çalışma, ülkemizde adolesan dönemde lisanslı futbol oynamaya başlayanların, ilerleyen yaş kategorilerinde amatör veya profesyonel düzeyde futbol oynamayı bırakma oranlarını...

GİRİŞ: Futbol gibi fiziksel performansa dayalı takım sporunda özel yaş grupları vardır. İlk milli takım seçmelerinin yapıldığı U-14 yaş kategorisi bunlardan biridir. Özellikle adolesanlarda aynı kronolojik yaş grubundaki futbolcular fiziksel ve psikolojik olarak belirgin farklılıklar gösterebilirler. AMAÇ: Relatif yaşın bilinen fiziksel olgunluk ve...

Giriş: Son yıllarda sporda yetenek seçimi ve geliştirme programları gündemdedir. Futbolda da yeteneğin seçilmesinde, geliştirilmesinde pratik uygulamada kabul gören tek bir rehber yoktur. Fakat tercih edilen erken dönem futbola başlanması, yeteneğin ortaya çıkarılması ve antreman programlarıyla geliştirilmesidir. Bu adolesan dönemde kolay görülmeme...

Femoroacetabular impingement (FAİ) is a prearthrozic disease that causes hip pain in adolescent-adult patients. The aim of the study is, determining the prevalence of asymptomatic radiographic findings of FAİ, to examine the evaluation of prevalence difference according to age groups and the impact of the levels of physical activity at developmenta...

The term of Sudden Cardiac Death (SCD) is a special situation occurred when a person dies suddenly and unexpectedly from cardiovascular diseases. Hypertrophic Cardiomyopathy (HCM), coronary artery abnormalities, myocarditis, arrhythmogenic right ventricular dysplasia, ion channel defects and aortic stenosis can all cause etiopathogenesis of SCD. Th...

Aim Myofascial release is a manual therapeutic method aiming to relax the muscles and their surrounding fascia. The release method originally involves a therapist, moving the fascia against its surroundings primarily with tangential forces applied by their hands. More recently, a self-applied method of release has been proposed where an individual...

Estimation of muscle thickness from anthropometric measurements are not precise so further utilization of advanced methods are recommended to measure muscle thickness. Muscle stiffness, an important measure in exercise science can be objectively measured using a recent ultrasound technology, shear-wave elastography(SWE). The aim of our study is to...

In this study, we explained the effects of compression garment and electrostimulation on athletes’ recovery period by evaluating blood lactate and isokinetic peak torque parameters. Twenty volunteers (15.55± 0.51 yr) were included to study. At recovery period, blood samples was taken for lactate values at 0th, 3rd, 5th, 15th, 30th min. The isokinet...

We explained the effects of compression garment and electrostimulation on athletes’ recovery period by evaluating blood lactate and isokinetic peak torque parameters.Twenty volunteers (15.55 ± 0.51 years) were included to study. At recovery period, blood samples was taken for lactate values at 0, 3, 5, 15, 30 minutes. The isokinetic strength test w...

P wave dispersion and P wave maximal duration reflect the activation of atrial muscle and is influenced by the mass of the excited tissue. It may reflect atrial remodelling, most likely atrial fibrosis. The purpose of this study is to measure P wave duration and P wave dispersion in the high level football referees. We recruited 104 elite and natio...

Unlabelled: This study has been conducted to determine whether mean values of peak oxygen consumption (VO(2peak)), anaerobic test parameters and knee isokinetic test measurements are different among guanine nucleotide-binding protein, beta-3 (GNB3) genotype groups in a group of basketball players. Methods: Seventy-two healthy male (mean age, 22....

We recruited 96 football referees who were the members of a Football Federation and they were regularly maintaining sportive activities and training programs with a training history of many years. Twenty-seven healthy sedentary subjects build up control group. Aortic distensibility was assessed by automatic carotid-femoral (aortic) PWV measurement...

The aim of our study was to evaluate the incidence, mechanisms and anatomic sites of injuries of the Turkish National Men's Football Team over six years. The affected anatomic site, incidence rate, type of injury, and applied treatment procedures were recorded by the medical staff. Official and friendly games and training sessions over the period J...

The knowledge regarding the mendosal suture is still on debate in the literature. Though reports of the closure of this childhood suture are variable, a few reports show the presence of the suture in the adults. This study was conducted to determine the occurrence and a better topographic location of the mendosal suture. We used 129 dry skulls for...

P wave dispersion is an independent predictor of atrial fibrillation. P wave dispersion is associated with inhomogeneous and discontinuous propagation of sinus impulses. The purpose of this study was to investigate P wave dispersion and transthoracic echocardiographic findings in elite women basketball players. We recruited 27 well-trained woman at...

The round ligament of liver is formed by obliteration of the umblical vein, which exists in embryological life. We report an unusual variation of the round ligament of liver. During routine dissections, we encountered an unusual structure over rectus abdominis sheath of a 63-year-old male cadaver. This structure was determined to be the round ligam...

To investigate the frequency of unilateral or bilateral foramen of Vesalius (FV), number of FV present on one side, and presence of a septum on FV. We bilaterally examined, 347 sphenoid bones of collections of the Department of Anatomy, Istanbul Faculty of Medicine, Istanbul University, Istanbul and Dokuz Eylul Faculty of Medicine, Izmir, Turkey in...

The variations of the arteries that develop from the mesonephric arteries – including renal, gonadal and suprarenal arteries – are common. Understanding the anatomy of the vascular variations of this region is essential for the clinicians to perform procedures such as renal transplantation, interventional radiologic procedures and renal vascular op...

The purpose of this study was to investigate the effectiveness of the "Omura's ST.36 point" (True ST.36) needling of young soccer players with the Wingate test. The Wingate test is a widely used and very well known ergometric bicycle test to measure anaerobic power. The Bi-Digital O-Ring Test (B.D.O.R.T.) of Yoshiaki Omura, M.D., Sc.D. was used to...

The purpose of this study was to compare the effects of the Traditional acupuncture point ST.36 and 'Omura's ST.36 Point' ("True ST.36") needling on the isokinetic knee extension & flexion strength of young soccer players. The Bi-Digital O-Ring Test (B.D.O.R.T.) of Yoshiaki Omura, M.D.,Sc.D. was used to determine the "True ST.36". Young soccer play...

The nerves entering into the coracobrachialis muscle are the musculocutaneous nerve (MC) and the nerve (usually consists of several thin branches) branches to the coracobrachialis. These thin branches enter the coracobrachialis proximal to the MC. The thin branches and the MC are susceptible to injury during coracoid process transfer. The purpose o...

The most superior part of the superficial layer of the supinator muscle is named as the arcade of Frohse (AF). The deep branch of the radial nerve runs under this arch. The AF is reported to be the most common structure causing entrapment neuropathy of the deep branch of the radial nerve. The aim of our study was to reveal the anatomical properties...

The prevalence of the low back pain changes between 8% to 74% in various studies. The presence of the low back pain in early ages shows a greater importance because the prevalence of low back pain is increasing by age. Investigators show that poor spinal posture is a cause of the low back pain and has negative effects on cardio respiratory system....

A morphometric evaluation of pedicle projections in 29 cervical spinal columns (C3-C7) for three-dimensional surgical anatomy for safe surgery was proposed. In this study, pedicles and intimate structures of the subaxial vertebrae from C3 to C7 were evaluated to provide some morphometric data for cervical transpedicular screw fixation. Detailed kno...

Open design cross-sectional questionnaire. The aims of this study are to determine the frequency of low back pains in the younger population and the factors that have an influence on this frequency. Low back pain is one of the most important social problems that causes injuries in the younger population. Low back pain frequency is around 30% among...

The lines connecting the anterior superior iliac spine to the center of the patella and the center of the patella to the tibial tuberosity make the quadriceps angle (Q angle), and this can be used as data for patellar alignment. We undertook this study to provide detailed information about the change of Q angle values with age and activity. The stu...

We report a case of ventriculus terminalis, presenting with specific neurological symptoms including low back pain and bilateral sciatica. Magnetic resonance images showed a cystic lesion with regular margins localized in the lumbar enlargement of the spinal cord. The lesion was an oval shape with no internal septa. Its dimensions were 9.6 mm crani...

Correlation between Age and Forces of Extension and Flexion of Knees.

An anatomical study was designed to investigate the cervical uncinate processes morphology and their variations. Linear and angular measurements were performed on 145 vertebrae (29 spines) from C3 to C7. The dimensions and variations of the uncinate processes were measured to obtain some morphologic data for an effective neurovacular decompression...

An anatomical study was performed in order to obtain help for orientation regarding the cranial base approaches to the anterior cranial base. Cranial base approaches were studied in 8 adult cadaver heads, and morphometric measurements critical in these approaches were achieved in 76 dry skulls. Importance of the surgical anatomy of the opticochiasm...

The mitral subvalvular apparatus is so important to attain the integrity of the left ventricular geometric model and systolic pump function of the heart. We conducted a detailed dissection of the anatomic structure of mitral valve complex and left ventricle of 10 adult hearts from fixed human cadavers (eight male and two female) at Department of An...

Surgical anatomy that provides the basis for dealing with lesions arising in the lower clivus and ventral foramen magnum was reviewed in 8 adult cadaver heads and 76 dry skulls. The extreme lateral transcondylar approach was performed in cadavers; the morphometric analysis was studied in both the cadavers and the skulls. The landmarks, distances an...

Transtemporal approaches exposing the petroclival region require extensive drilling of the petrous bone. This is only possible with an understanding of the three dimensional anatomy of the temporal bone and the cranial base. The purpose of this study is to review the topographic anatomy of the petrous bone and peripetrous region, with emphasis on t...

During dissection course a spleen with a pyramidal extremity was noted. Literature reviewed and this rare case has been presented.