The different role of each head of the triceps brachii muscle in elbow extension
Objective: The aim of this study was to investigate the functional role of each head of the triceps brachii muscle, depending on the angle of shoulder elevation, and to compare each muscle force and activity by using a virtual biomechanical simulator and surface electromyography. Methods: Ten health...
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| Format: | Article |
| Language: | English |
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2018-05-01
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| Series: | Acta Orthopaedica et Traumatologica Turcica |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1017995X17305898 |
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| author | Erica Kholinne Rizki Fajar Zulkarnain Yu Cheng Sun SungJoon Lim Jae-Myeung Chun In-Ho Jeon |
| author_facet | Erica Kholinne Rizki Fajar Zulkarnain Yu Cheng Sun SungJoon Lim Jae-Myeung Chun In-Ho Jeon |
| author_sort | Erica Kholinne |
| collection | DOAJ |
| description | Objective: The aim of this study was to investigate the functional role of each head of the triceps brachii muscle, depending on the angle of shoulder elevation, and to compare each muscle force and activity by using a virtual biomechanical simulator and surface electromyography. Methods: Ten healthy participants (8 males and 2 females) were included in this study. The mean age was 29.2 years (23–45). Each participant performed elbow extension tasks in five different degrees (0, 45, 90, 135, and 180°) of shoulder elevation with three repetitions. Kinematics data and surface electromyography signal of each head of the triceps brachii were recorded. Recorded kinematics data were then applied to an inverse kinematics musculoskeletal modeling software function (OpenSim) to analyze the triceps brachii's muscle force. Correlation between muscle force, muscle activity, elbow extension, and shoulder elevation angle were compared and analyzed for each head of triceps brachii. Results: At 0° shoulder elevation, the long head of the triceps brachii generates a significantly higher muscle force and muscle activation than the lateral and medial heads (p < 0.05). While at 90°, 135° and 180° shoulder elevation, the medial head of the triceps brachii showed a significantly higher muscle force than the long and the lateral heads (p < 0.05). Conclusions: Each head of the triceps brachii has a different pattern of force and activity during different shoulder elevations. The long head contributes to elbow extension more at shoulder elevation and the medial head takes over at 90° and above of shoulder elevation. This study provides further understanding of triceps brachii's for clinicians and health trainers who need to investigate the functional role of the triceps brachii in detail. Keywords: Triceps brachii, OpenSim, sEMG, Elbow extension, Motion analysis |
| format | Article |
| id | doaj-art-24ce3f1b270b4d65bc4ecdcf3b1c51a8 |
| institution | Matheson Library |
| issn | 1017-995X |
| language | English |
| publishDate | 2018-05-01 |
| publisher | AVES |
| record_format | Article |
| series | Acta Orthopaedica et Traumatologica Turcica |
| spelling | doaj-art-24ce3f1b270b4d65bc4ecdcf3b1c51a82025-07-02T04:17:00ZengAVESActa Orthopaedica et Traumatologica Turcica1017-995X2018-05-01523201205The different role of each head of the triceps brachii muscle in elbow extensionErica Kholinne0Rizki Fajar Zulkarnain1Yu Cheng Sun2SungJoon Lim3Jae-Myeung Chun4In-Ho Jeon5Department of Orthopedic Surgery, St. Carolus Hospital, Jakarta, Indonesia; Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South KoreaDepartment of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South KoreaDepartment of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South KoreaDepartment of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South KoreaDepartment of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South KoreaDepartment of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea; Corresponding author. Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-Gu, Seoul 05505, South Korea. Fax: +82 2 488 7877.Objective: The aim of this study was to investigate the functional role of each head of the triceps brachii muscle, depending on the angle of shoulder elevation, and to compare each muscle force and activity by using a virtual biomechanical simulator and surface electromyography. Methods: Ten healthy participants (8 males and 2 females) were included in this study. The mean age was 29.2 years (23–45). Each participant performed elbow extension tasks in five different degrees (0, 45, 90, 135, and 180°) of shoulder elevation with three repetitions. Kinematics data and surface electromyography signal of each head of the triceps brachii were recorded. Recorded kinematics data were then applied to an inverse kinematics musculoskeletal modeling software function (OpenSim) to analyze the triceps brachii's muscle force. Correlation between muscle force, muscle activity, elbow extension, and shoulder elevation angle were compared and analyzed for each head of triceps brachii. Results: At 0° shoulder elevation, the long head of the triceps brachii generates a significantly higher muscle force and muscle activation than the lateral and medial heads (p < 0.05). While at 90°, 135° and 180° shoulder elevation, the medial head of the triceps brachii showed a significantly higher muscle force than the long and the lateral heads (p < 0.05). Conclusions: Each head of the triceps brachii has a different pattern of force and activity during different shoulder elevations. The long head contributes to elbow extension more at shoulder elevation and the medial head takes over at 90° and above of shoulder elevation. This study provides further understanding of triceps brachii's for clinicians and health trainers who need to investigate the functional role of the triceps brachii in detail. Keywords: Triceps brachii, OpenSim, sEMG, Elbow extension, Motion analysishttp://www.sciencedirect.com/science/article/pii/S1017995X17305898 |
| spellingShingle | Erica Kholinne Rizki Fajar Zulkarnain Yu Cheng Sun SungJoon Lim Jae-Myeung Chun In-Ho Jeon The different role of each head of the triceps brachii muscle in elbow extension Acta Orthopaedica et Traumatologica Turcica |
| title | The different role of each head of the triceps brachii muscle in elbow extension |
| title_full | The different role of each head of the triceps brachii muscle in elbow extension |
| title_fullStr | The different role of each head of the triceps brachii muscle in elbow extension |
| title_full_unstemmed | The different role of each head of the triceps brachii muscle in elbow extension |
| title_short | The different role of each head of the triceps brachii muscle in elbow extension |
| title_sort | different role of each head of the triceps brachii muscle in elbow extension |
| url | http://www.sciencedirect.com/science/article/pii/S1017995X17305898 |
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