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Electromyographic study of rotator cuff muscle activity during full and empty can tests

The empty can (EC) and full can (FC) tests are used as diagnostic tools for patients with rotator cuff disease. However, recently concerns have been raised that these tests do not selectively activate the muscle. Therefore, the purpose of this study was to evaluate the rotator cuff muscle activation levels during the EC and FC tests in various positions using electromyography. Twelve healthy, right-handed men without shoulder complaints (mean age: 26.1 years, range: 23e35 years) were included. The tests were performed isometrically with the shoulder elevated at 45
and 90 in the sagittal, scapular, and coronal planes, either in the thumb-up (FC test) or thumb-down (EC test) positions. During these positions,the electromyographic signal was recorded simultaneously from the four shoulder muscles using a combination of surface and intramuscular fine-wire electrodes. The average activation of the supraspinatus and subscapularis was greater during the EC test than during the FC test and in the scapular and coronal planes than in the sagittal plane at 90. For the infraspinatus, there were no significant differences in any positions
between the two tests. Thus, the rotator cuff muscles are influenced by arm position and the elevation plane during the EC and FC tests.

Keywords: diagnostic tests; electromyography; muscles; musculoskeletal system; rotator cuff

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Informasi Detail
Judul Seri
Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology
No. Panggil
-
Penerbit
: Asia Pacific Knee.,
Deskripsi Fisik
Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology 2 (2015) 36e41
Bahasa
English
ISBN/ISSN
-
Klasifikasi
-
Tipe Isi
-
Tipe Media
-
Tipe Pembawa
-
Edisi
-
Subjek
Sport And Kesehatan
Info Detail Spesifik
-
Pernyataan Tanggungjawab
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Tidak tersedia versi lain

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