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David Cochran Author
Subjects of specialization
Affiliation
Compressive forces
Department of Industrial and Management Systems Engineering, University of Nebraska-Lincoln, Lincoln, NE, USA
Biography
David Cochran Department of Industrial and Management Systems Engineering, University of Nebraska-Lincoln, Lincoln, NE, USA His Research Interest is Philosophy, Biomedical Engineering, Mechanical Engineering and he published more number of articles
Publications
Research Article Open Access
Neck-Shoulder Main Musculature is the Major Cervical Compression Producers during Single-Hand Lifting
Author(s): Amar MR and David Cochran
Objective: Cervical spine injuries have been associated with work tasks requiring heavy arm and shoulder exertions. Current biomechanical models established to estimate compressive forces acting on the cervical spine do not include the contributions of the muscles surrounding the neck in supporting the shoulder and arm during these exertions. This paper presents a biomechanical analysis of compressive force as a result of single-hand lifting. Method: It was hypothesized that contraction of the three main shared muscles are the major producers of the cervical compression. To test this hypothesis, bilateral Electromyography data of major shared musculature (upper trapezius, sternocleidomastoid, and levator scapula) and posture data were collected from twenty subjects preforming lifting of... view more»
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