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Amaç: Bu çalışma Türkiye Voleybol Federasyonu Spor Lisesi’nde, 15-17 yaş grubu voleybol oyuncularında branşın içerdiği yoğun baş üstü aktivitelerin gerektirdiği skapular mekaniklerde önemli bir yere sahip olan üst/alt trapez kası kuvvet oranlarını belirlemek amacıyla yapıldı. Yöntem: Gönüllü öğrenciler arasından çalışmaya dahil edilme kriterlerini sağlayan sporcu grubu 60 kişi (32 kadın, 28 erkek) olarak belirlendi. Üst ve alt trapez kas kuvvetini değerlendirmek için el dinamometresi ile izometrik kas kuvveti değerlendirmeleri uygulandı. Kas kuvvet testleri, skapulanın hareketinin orta açısında kasa spesifik olarak yapıldı. Bulgular: Bu çalışmanın sonucunda üst trapez kas kuvvetinin dominant ekstremitede diğer ekstremiteye göre daha fazla olduğu görüldü (p<0,05). Alt trapez kas kuvveti ise dominant olmayan ekstremitede diğer ekstremiteye göre daha fazla bulundu (p<0,05). Üst/alt trapez kası kuvvet oranı dominant ekstremitede 0,95 bulunurken, dominant olmayan ekstremitede 0,88 olarak bulundu. Dominant olmayan ekstremitede skapula depresyonunun (p<0,05),dominant ekstremitede ise skapula elevasyonunun daha kuvvetli olduğunu gözlendi (p<0,05). Sonuç: Bu çalışma ile adölesan voleybol oyuncularında üst/alt trapez kası kuvvet oranının asemptomatik sporcularda referans olabilecek ön verileri elde edildi. Bu sonuçlar, çalışmamızda yer alan adölesan sporcuların skapular kas kullanımının ekstremiteler arasında farklılıklara sahip olduğunu gösterdi. Dominant tarafta üst trapez kas kuvvetinin daha yüksek olması baş üstü mekaniklerin gereksinimlerinin skapula kontrolünü değiştirebileceği düşündürmektedir. Bu sonuçlar yaralanma için risk altında bulunan asemptomatik adölesan voleybol oyuncularının belirlenmesine yardımcı olabilir.
Purpose: This study was conducted at the Turkish Volleyball Federation Sports High School, with the aim of determining the strength rates of the upper/down trapez muscle, which have an important place in the mechanics, which are required by the intense head-to-head activities in the 15-17 year old group of volleyball players. Method: The group of athletes that provided the criteria for inclusion in the study among volunteer students was identified as 60 people (32 women, 28 men). Isometric muscle strength assessments were applied with manual dynamometers to assess the upper and lower trapez muscle strength. Muscle strength tests were specifically performed in the middle corner of the skeletal movement. The findings: The result of this study found that the upper trapez muscle strength was greater than the other end in the dominant end (p<0,05). The lower trapez muscle strength is more found in the non-dominant extremity than the other extremity (p<0,05). The upper/down trapez muscle strength ratio was 0.95 in the dominant extremity, while 0.88 in the non-dominant extremity. In the non-dominant extremity, the crepula depression (p<0,05) was observed, and in the dominant extremity, the crepula elevation was stronger (p<0,05). Result: This study has obtained preliminary data that may be reference in asymptomatic athletes of the upper/down trapez muscle strength rate in volleyball players. These findings showed that the adult athletes involved in our study have differences in muscle use between the limbs. The dominant side of the upper trapez muscle strength is higher suggests that the requirements of the upper mechanics can change the control of the cabin. These results can help identify the asymptomatic volley players who are at risk of injury.
Purpose: Purpose of this study was to investigate of upper/lower trapezius (U/L)muscle strength ratio which has an important role on overhead scapular mechanics of adolescent volleyball players at Turkish Volleyball Federation Sports Highschool. Methods: Sixty students (32 women, 28 men) who are eligible and voluntary were included in this study. Isometric muscle strength was measured with hand-held dynamometer. Muscle strength tests were done as muscle specific when scapula was at the middle of muscle movement. Results: Upper trapezius muscle strength was found higher on the dominant side compared to non-dominant side (p<0.05). Lower trapezius muscle strength was found higher on the non-dominant side compared to dominant side (p<0.05). U/L Trapezius muscle strength ratio was found 0.95 on dominant side and 0.88 on the non-dominant side. Scapular depression was found stronger on the non-dominant extremity (p<0.05) while the other extremity was stronger for scapular elevation (p<0.05). Conclusion: As a result of this study, reference normative values of upper/lower trapezius muscle strength ratios in the adolescent volleyball players was determined. In order to our results, scapular muscle preferences of adolescent players have certain varieties between extremities. Dominant side which has stronger upper trapezius muscle makes us to think that the requirements of overhead mechanics can lead to scapular control alterations. These results can help to find the asymptomatic adolescent volleyball players who have higher risk of shoulder injuries.
Alan : Sağlık Bilimleri
Dergi Türü : Uluslararası
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