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Dive into the research topics where Onur Tetik is active.

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Featured researches published by Onur Tetik.


Knee Surgery, Sports Traumatology, Arthroscopy | 2003

Variations in anatomy at the suprascapular notch possibly causing suprascapular nerve entrapment: an anatomical study

Alp Bayramoglu; Deniz Demiryürek; E. Tüccar; Mine Erbil; M. Mustafa Aldur; Onur Tetik; Mahmut Nedim Doral

The purpose of the study was to determine anatomical variations at the suprascapular notch for better understanding of possible predisposing factors for suprascapular nerve entrapment. We dissected 32 shoulders of 16 cadavers between the ages of 39 and 74 years. We observed abnormally oriented superior fibers of the subscapularis muscle in five shoulders of the 16 cadavers, which were covering the entire anterior surface of the suprascapular notch and significantly reducing the available space for the suprascapular nerve. We also detected anterior coracoscapular ligament in six of the 32 shoulders, and calcified superior transverse scapular ligament in four of the shoulders. In this study, we classified the variations for the superior transverse scapular ligament. In conclusion, knowing the anatomical variations in detail along the course of the suprascapular nerve might be important for better understanding of location and source of the entrapment syndrome, especially for individuals who are involved in violent overhead sports activities such as volleyball and baseball. To our knowledge, close relationship of subscapularis muscle with the suprascapular nerve as a possible risk factor for suprascapular nerve entrapment has not been mentioned previously.


British Journal of Sports Medicine | 2005

Differences in sole arch indices in various sports

Sedat Tolga Aydoğ; Onur Tetik; Haydar A. Demirel; Mahmut Nedim Doral

Background: There are controversial data about the relation between foot morphology and athletic injuries of the lower extremity. Studies in soldiers have shown some relationship, whereas those involving athletes have not shown any significant relationship. The reason for these differences is not clear. Objective: To determine the effect of various sports on sole arch indices (AIs). Method: A total of 116 elite male athletes (24 soccer players, 23 wrestlers, 19 weightlifters, 30 handball players, and 20 gymnasts) and 30 non-athletic men were included in this cross sectional study. Images of both soles were taken in a podoscope and transferred to a computer using a digital still camera. AIs were calculated from the stored images. Results: The AI of the right sole of the gymnasts was significantly lower than that of the soccer players, wrestlers, and non-athletic controls (p<0.01). The AI of the right sole of the wrestlers was significantly higher than that of the soccer players, handball players, weightlifters, gymnasts, and non-athletic controls (p<0.03). The AI of the left sole of the gymnasts was significantly lower than that of the wrestlers and non-athletic controls (p<0.001). The AI of the left sole of the wrestlers was significantly higher than that of the soccer players, handball players, and gymnasts (p<0.007). The AI of both soles in handball players was significantly lower than those of the non-athletic subjects (p  =  0.049). The correlation between the AI of the left and right foot was poor in the soccer players, handball players, and wrestlers (r  =  0.31, 0.69, and 0.56 respectively), but was high in the gymnasts, weightlifters, and non-athletic controls (r  =  0.96, 0.88, and 0.80 respectively). Conclusion: The AIs of the gymnasts and wrestlers were significantly different from those of other sportsmen studied, and those of the gymnasts and handball players were significantly different from those of non-athletic controls.


British Journal of Sports Medicine | 2005

Relation between foot arch index and ankle strength in elite gymnasts: a preliminary study.

Sedat Tolga Aydoğ; Levent Özçakar; Onur Tetik; Haydar A. Demirel; Zafer Hasçelik; Mahmut Nedim Doral

Background: Gymnasts usually start intensive training from early childhood. The impact of such strenuous training on the musculoskeletal system is not clear. Objectives: To evaluate the relation between muscle strength of the ankle joint and foot structure in gymnasts. Methods: The study population comprised 20 high level male gymnasts and 17 non-athletic healthy male controls. Arch indices were measured using a podoscope. Ankle plantar/dorsiflexion and eversion/inversion strengths were measured using a Biodex 3 dynamometer within the protocol of concentric/concentric five repetitions at 30°/s velocity. Results: The mean arch index of the right and left foot of the gymnasts and the controls were respectively: 31.4 (29.1), 34.01 (34.65); 60.01 (30.3), 63.75 (32.27). Both the arch indices and the ankle dorsiflexion strengths were lower in the gymnasts. Although no correlation was found between strength and arch index in the control group, a significant correlation was observed between eversion strengths and arch indices of the gymnasts (r  =  0.41, p  =  0.02). Conclusions: Whether or not the findings indicate sport specific adaptation or less training of the ankle dorsiflexors, prospective data are required to elucidate the tendency for pes cavus in gymnasts, for whom stabilisation of the foot is a priority.


Knee Surgery, Sports Traumatology, Arthroscopy | 2002

Symptomatic ring-shaped lateral meniscus: magnetic resonance imaging and arthroscopy

Ahmet Ozgur Atay; Ustun Aydingoz; Nedim M. Doral; Onur Tetik; Gursel Leblebicioglu

A ring-shaped lateral meniscus is a very rare entity within the spectrum of abnormalities of lateral meniscus. We present the second case in the literature of a symptomatic ring-shaped lateral meniscus in combination with a meniscal cyst and in association with an osteochondritis dissecans lesion of the medial femoral condyle. A potential pitfall of magnetic resonance imaging (i.e., displaced meniscal tear) is addressed in the diagnosis of this entity, as well as the role of magnetic resonance imaging in revealing associated abnormalities.


Knee Surgery, Sports Traumatology, Arthroscopy | 2006

A complete supra-patellar plica with an unusual presentation

Murat Pekmezci; Ozgur Ahmet Atay; Ulku Kerimoglu; Ustun Aydingoz; Onur Tetik; Mahmut Nedim Doral

A suprapatellar plica is a persistent remnant of the embryologic synovial membrane between the suprapatellar pouch and the knee joint. Pathologic synovial plica is not a common entity, however, when present, it can mimic a variety of clinical situations. We describe here a case of pathologic suprapatellar plica that has a check-valve mechanism, which results in a clinical presentation as knee joint swelling.


Orthopedics | 2002

Synovial Abrasion for Isolated, Partial Thickness, Undersurface, Medial Meniscus Tears

Onur Tetik; Yavuz Kocabey; Darren L. Johnson

Synovial abrasion and rasping provides good healing potential of isolated, partial thickness, undersurface medial meniscal tears. It is an effective, easy, and valuable treatment modality.


Acta Orthopaedica et Traumatologica Turcica | 2010

Rice body mass formation mimicking a neoplastic disease around the trochanteric bursae of the hip

Serkan Uludag; Aksel Seyahi; Yaman Ege; Onur Tetik

Multiple rice body formation is an uncommon inflammatory process. Sometimes it leads to a big mass in unusual locations. Although sometimes associated with bursitis and systemic diseases, such as rheumatoid arthritis, the pathophysiology of this rare entity is still obscure. We present a 29-year-old woman with multiple rice body mass formation in the trochanteric bursa of the left hip. She was operated, and had no recurrence at 18 months after the surgery.


Arthroscopy | 2004

The value of clinical examination versus magnetic resonance imaging in the diagnosis of meniscal tears and anterior cruciate ligament rupture.

Yavuz Kocabey; Onur Tetik; William M. Isbell; Ö. Ahmet Atay; Darren L. Johnson


Arthroscopy | 2003

Management of discoid lateral meniscus tears: Observations in 34 knees

O. Ahmet Atay; M. Nedim Doral; Gursel Leblebicioglu; Onur Tetik; Ustun Aydingoz


Knee Surgery, Sports Traumatology, Arthroscopy | 2006

Decrease in the numbers of mechanoreceptors in rabbit ACL: the effects of ageing

Sedat Tolga Aydoğ; Petek Korkusuz; Mahmut Nedim Doral; Onur Tetik; Haydar A. Demirel

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Murat Bozkurt

Yıldırım Beyazıt University

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