TY - JOUR T1 - Shoulder Proprioception: A Cross-Sectional Comparative Study on Handedness, Sex, and Direction of Movement TT - Omuz Propriyosepsiyonu: El Tercihi, Cinsiyet ve Hareket Yönü Üzerine Kesitsel Karşılaştırmalı Bir Çalışma AU - Seven, Barış AU - Çobanoğlu Demirkan, Gamze AU - Zorlular, Ali AU - Gökkurt, Ahmet AU - Karataş, Nihan AU - A. Güzel, Nevin AU - Oskay, Deran PY - 2025 DA - September Y2 - 2025 DO - 10.61399/ikcusbfd.1610268 JF - İzmir Katip Çelebi Üniversitesi Sağlık Bilimleri Fakültesi Dergisi JO - İKÇÜSBFD PB - Izmir Katip Celebi University WT - DergiPark SN - 2458-9799 SP - 394 EP - 399 VL - 10 IS - 3 LA - en AB - Objective: The shoulder joint plays a crucial role in upper limb function and mobility. A thorough examination of shoulder proprioception is essential for the early identification of at-risk shoulders, with the aim of eliminating the risk of shoulder instability and/or injury. This study aims to examine the changes in proprioception in the shoulder joint based on factors of sex, handedness, and movement direction.Material and Methods: A cross-sectional study was conducted with 60 healthy young adults (30 men, 30 women). Participants' active joint position senses (AJPS) were evaluated for shoulder internal rotation (IR) and external rotation (ER) using an isokinetic dynamometer. The Wilcoxon Signed-Rank Test and Mann-Whitney U Test were used to assess differences.Results: Statistical analyses revealed no significant differences in the AJPS of shoulder IR and ER movements between the sexes for both extremities (dominant IR: p=0.075, r=0.325, ER: p=0.459, r=0.135, and non-dominant IR: p=0.122, r=0.283, ER: p=0.476, r=0.130). Additionally, no differences were found in AJPS between the dominant and non-dominant extremities (IR: p=0.283, r=0.139, ve ER: p=0.306, r=0.132), as well as between IR and ER movements (dominant: p=0.102, r=0.211 and non-dominant: p=0.724, r=0.0.045).Conclusion: The study concludes that AJPS in the shoulder joint does not vary based on sex, handedness, or direction of movement. In addition, the AJPS values we found in our study may be used as a reference for clinical evaluations and may help to identify proprioceptive disorders. Additionally, our results can facilitate ensuring the homogeneity of participant groups concerning sex or handedness factors in scientific studies on shoulder proprioception.Keywords: Joints, proprioception, reference, upper extremity. KW - Joints KW - proprioception KW - reference KW - upper extremity N2 - Amaç: Omuz eklemi, üst ekstremite fonksiyonu ve hareketliliğinde kritik bir rol oynar. Omuz propriyosepsiyonunun kapsamlı bir şekilde incelenmesi, omuz instabilitesi ve/veya yaralanma riski taşıyan omuzların erken tespiti için esastır. Bu çalışmanın amacı, cinsiyet, el tercihi ve hareket yönü faktörlerine göre omuz eklemindeki propriyosepsiyon değişikliklerini incelemektir.Gereç ve Yöntem: 60 sağlıklı genç yetişkin (30 erkek, 30 kadın) ile kesitsel bir çalışma gerçekleştirildi. Katılımcıların omuz iç rotasyon (IR) ve dış rotasyon (ER) aktif eklem pozisyon hisleri (AEPH) izokinetik dinamometre kullanılarak değerlendirildi. Farkları değerlendirmek için Wilcoxon Signed-Rank Testi ve Mann-Whitney U Testi kullanıldı.Bulgular: İstatistiksel analizler, her iki ekstremite için de cinsiyetler arasında omuz IR ve ER hareketlerinin AEPH’lerinde anlamlı bir fark olmadığını ortaya koydu (dominant IR: p=0,075, r=0,325, ER: p=0,459, r=0,135, ve dominant olmayan IR: p=0,122, r=0,283, ER: p=0,476, r=0,130). Ayrıca, dominant ve dominant olmayan ekstremiteler arasında (IR: p=0,283, r=0,139, ve ER: p=0,306, r=0,132) ve IR ile ER hareketleri arasında (dominant: p=0,102, r=0,211 ve dominant olmayan: p=0,724, r=0,045) AEPH'nde herhangi bir fark bulunmadı.Sonuç: Çalışma, omuz eklemindeki AEPH’nin cinsiyet, el tercihi veya hareket yönüne göre değişmediği sonucuna varmıştır. Ayrıca, çalışmamızda bulduğumuz AJPS değerleri klinik değerlendirmeler için bir referans olarak kullanılabilir ve propriyoseptif bozuklukların belirlenmesine yardımcı olabilir. Ayrıca, sonuçlarımız, omuz propriyosepsiyonu üzerine yapılan bilimsel çalışmalarda cinsiyet veya el tercihi faktörlerine göre katılımcı gruplarının homojenliğini sağlamaya yardımcı olabilir.Anahtar Kelimeler: Eklemler, propriyosepsiyon, referans, üst ekstremite. CR - 1. Gonzalez Iturri J. Proprioception and coordination in rehabilitation of sports injuries. 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