Ảnh hưởng tổng thể của cơ delta đến khớp vai

Journal of Experimental Orthopaedics - Tập 1 Số 1 - 2014
Claudio Rosso1,2, Andreas Müeller1,2, Brett McKenzie1, Vahid Entezari1, Andrea Cereatti3, Ugo Della Croce3, Arun J. Ramappa4, Joseph P. DeAngelis4
1Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, USA
2Orthopaedic Department, University Hospital Basel and University of Basel, Basel, Switzerland
3#N#‡Information Engineering Unit, POLCOMING Department, University of Sassari, Sassari, Italy
4Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, USA

Tóm tắt

Tóm tắt Giới thiệu Vẫn còn nhiều tranh cãi về vai trò của cơ delta đối với sự dịch chuyển khớp vai trong các chuyển động cơ bản và ném bóng. Do đó, chúng tôi đã nghiên cứu tác động thụ động của cơ delta lên trung tâm khớp vai delta (GHJC). Phương pháp Sáu khớp vai đã được kiểm tra bằng cách sử dụng một hệ thống cơ học tự động. Mô hình chuyển động ban đầu của mẫu nguyên vẹn đã được so sánh với sự dịch chuyển khớp vai sau khi loại bỏ cơ delta. Mỗi điều kiện được đánh giá trong tư thế giơ tay (ABD) và trong một chuyển động ném tóm tắt (ATM) sử dụng các dấu hiệu phản xạ ngược và được nhúng vào xương. Đường đi tuyệt đối và diện tích dưới đường cong (AUC) cho mỗi chuyển động đã được tính toán và động học khớp vai được so sánh với sự dịch chuyển GH.

Từ khóa

#cơ delta #khớp vai #dịch chuyển khớp #động học khớp vai #vận động viên

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