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22대 대한민국 국회 국회정보길라잡이 국회의원검색
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Background: Based on the understanding of the muscle activation relationship between the infraspinatus and posterior deltoid muscles to according to the angle of motion during external rotation on glenohumeral joint, effective shoulder joint strengthening exercise for the prevention and rehabilitation of shoulder injury due to muscle strength imbalance can be performed by achieving the ideal muscle activity ratio during exercise.

Objectives: To compare and analyze the muscle activation changes and activity ratio of the infraspinatus and posterior deltoid muscles according to the glenohumeral external rotation angle.

Design: Quasi-randomized trial.

Methods: The study included 48 healthy male and female adults who provided informed consent for participation in the study. All the subjects performed isometric glenohumeral external rotation by setting the angle of motion to 30°, 45°, and 60° using a 5 kg resistance weight pulley. On surface electromyography, the differences in muscle activation and activity ratio between the infraspinatus and posterior deltoid muscles were investigated.

Results: A significant difference in muscle activation was found in the comparison between the infraspinatus and posterior deltoid muscles according to the glenohumeral external rotation angle (P<.05). The muscle activation levels of the infraspinatus and posterior deltoid muscles were highest at the external rotation angles of 30° and 60°, respectively. The muscle activity ratio between the infraspinatus and posterior deltoid muscles also showed a significant difference (P<.05) and was highest at the shoulder external rotation angle of 30°.

Conclusion: The findings of this study suggest that muscle activity is the highest at the shoulder external rotation angle of 30° in healthy individuals.

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참고문헌 (21건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 Luime JJ, Koes BW, Hendriksen IJ, et al. Prevalence and incidence of shoulder pain in the general population:asystem aticreview. Sc and J Rheumatol. 2004;33(2):73-81. 미소장
2 Patterns of flexibility, laxity, and strength in normal shoulders and shoulders with instability and impingement. 네이버 미소장
3 Bitter NL, Clisby EF, Jones MA, et al. Relative contributions of IS and deltoid during external rotation in healthy shoulders. J Shoulder Elbow Surg. 2007;16(5):563-568. 미소장
4 The relation between increased deltoid activation and adductor muscle activation due to glenohumeral cuff tears 네이버 미소장
5 Effects of muscle fatigue on 3-dimensional scapular kinematics. 네이버 미소장
6 Sahrmann SA. Diagnosis and treatment of movemen timpairment syndromes. New York: Mosby;2002. 미소장
7 Kendall FP, McCreary EK, Provance PG, et al. Muscles: Testing and function with posture and pain. 5th ed. Baltimore: Williams & Wilkins;2005. 미소장
8 Elizabeth F. Clisby EF. Relative contributions of the IS and deltoid during external rotation in patients with symtomatic subacromial impingement. J Shoulder Elbow Surg. 2008;17(1S). 미소장
9 Relative contributions of the infraspinatus and deltoid during external rotation in patients with symptomatic subacromial impingement 네이버 미소장
10 David G, Magarey ME, Jones MA, et al. EMG and strength correlates ofselected shoulder muscles during rotations of the glenohumeral joint. Clin Biomech. 2000;15(2):95-102. 미소장
11 Shoulder electromyography in multidirectional instability. 네이버 미소장
12 Physiological considerations of muscle force through the elbow joint 네이버 미소장
13 Kapandji IA. The physiology of the joints. 5th ed. Edinburgh: Churchill Living stone; 1983. 미소장
14 Reinold MM, Wilk KE, Fleisig GS, et al. Electromyographic Analysis of the Rotator cuff and Deltoid Musculature During Common shoulder External Rotation Exercises. J Othop Sports Phys Ther. 2004;34(7):385-394. 미소장
15 Surface electromyographic analysis of exercises for the trapezius and serratus anterior muscles. 네이버 미소장
16 Smith J, Kotajarvi BR, Padgett DJ, et al. Effect of scapular protraction and retraction on isometric shoulder elevation strength. Arch Phys Med Rehabil Mar. 2002;83(3):367-370. 미소장
17 Heikki Pelyonen, Jari Arokoski, Mauri Kallinen, Teemu Pullinen. Muscle loading and activation of the shoulder joint during humeral external rotation by pulley and variable resistance. J Electromyogr Kinesiol. 2012;22:424-430. 미소장
18 Evaluation of moment-angle curves in isokinetic knee extension. 네이버 미소장
19 Kisner C, Colby LA. Therapeutic Exercise;Foundations and Techniques. 6th ed. Philadelphia: FA Davis; 2012. 미소장
20 Jones D, Round J, de Hann A. Skeletal muscles from molecules to movement. A textbook of muscle physiology for sport, exercise, physiotherapy and medicine. Edinburgh, UK: Churchill Livingstone; 2004. 미소장
21 Electromyographic analysis of deltoid and rotator cuff function under varying loads and speeds 네이버 미소장

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