Capturing Three-Dimensional Clavicle Kinematics During Arm Elevation: Describing the Contribution of Clavicle Motion and Associated Scapulothoracic Muscle Activation to Total Shoulder Complex Motion
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| Language: | English |
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The Ohio State University / OhioLINK
2010
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| Online Access: | http://rave.ohiolink.edu/etdc/view?acc_num=osu1275406915 |
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ndltd-OhioLink-oai-etd.ohiolink.edu-osu1275406915 |
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oai_dc |
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NDLTD |
| language |
English |
| sources |
NDLTD |
| topic |
Anatomy and Physiology Rehabilitation Clavicle Kinematics Scapula Kinematics Surface Sensor Validation Sternoclavicular Ligaments Upper Trapezius Activation |
| spellingShingle |
Anatomy and Physiology Rehabilitation Clavicle Kinematics Scapula Kinematics Surface Sensor Validation Sternoclavicular Ligaments Upper Trapezius Activation Szucs, Kimberly A. Capturing Three-Dimensional Clavicle Kinematics During Arm Elevation: Describing the Contribution of Clavicle Motion and Associated Scapulothoracic Muscle Activation to Total Shoulder Complex Motion |
| author |
Szucs, Kimberly A. |
| author_facet |
Szucs, Kimberly A. |
| author_sort |
Szucs, Kimberly A. |
| title |
Capturing Three-Dimensional Clavicle Kinematics During Arm Elevation: Describing the Contribution of Clavicle Motion and Associated Scapulothoracic Muscle Activation to Total Shoulder Complex Motion |
| title_short |
Capturing Three-Dimensional Clavicle Kinematics During Arm Elevation: Describing the Contribution of Clavicle Motion and Associated Scapulothoracic Muscle Activation to Total Shoulder Complex Motion |
| title_full |
Capturing Three-Dimensional Clavicle Kinematics During Arm Elevation: Describing the Contribution of Clavicle Motion and Associated Scapulothoracic Muscle Activation to Total Shoulder Complex Motion |
| title_fullStr |
Capturing Three-Dimensional Clavicle Kinematics During Arm Elevation: Describing the Contribution of Clavicle Motion and Associated Scapulothoracic Muscle Activation to Total Shoulder Complex Motion |
| title_full_unstemmed |
Capturing Three-Dimensional Clavicle Kinematics During Arm Elevation: Describing the Contribution of Clavicle Motion and Associated Scapulothoracic Muscle Activation to Total Shoulder Complex Motion |
| title_sort |
capturing three-dimensional clavicle kinematics during arm elevation: describing the contribution of clavicle motion and associated scapulothoracic muscle activation to total shoulder complex motion |
| publisher |
The Ohio State University / OhioLINK |
| publishDate |
2010 |
| url |
http://rave.ohiolink.edu/etdc/view?acc_num=osu1275406915 |
| work_keys_str_mv |
AT szucskimberlya capturingthreedimensionalclaviclekinematicsduringarmelevationdescribingthecontributionofclaviclemotionandassociatedscapulothoracicmuscleactivationtototalshouldercomplexmotion |
| _version_ |
1719429094809010176 |
| spelling |
ndltd-OhioLink-oai-etd.ohiolink.edu-osu12754069152021-08-03T05:59:47Z Capturing Three-Dimensional Clavicle Kinematics During Arm Elevation: Describing the Contribution of Clavicle Motion and Associated Scapulothoracic Muscle Activation to Total Shoulder Complex Motion Szucs, Kimberly A. Anatomy and Physiology Rehabilitation Clavicle Kinematics Scapula Kinematics Surface Sensor Validation Sternoclavicular Ligaments Upper Trapezius Activation <p>Shoulder pathologies are common musculoskeletal disorders, affecting up to 31% of the general population. Conservative management aims to restore normal motion patterns and strength of the scapulothoracic musculature to the shoulder complex; however many people continue to experience symptoms. To improve treatment outcomes, interventions need to be developed based on the biomechanics of the total shoulder complex. To accomplish this, the normal kinematics of all the components of the shoulder complex, including the clavicle, need to be described. Therefore, the goals of this dissertation included: explore the relationship of clavicle rotations at the sternoclavicular joint to scapula motion, establish the validity of a non-invasive measurement tool for capturing dynamic clavicle motion, and describe the contribution of clavicle rotations to shoulder complex motion using this validated surface sensor in vivo. </p><p>To describe how the clavicle contributes to total shoulder motion, it was necessary to first explore how the stabilizing structures of the sternoclavicular joint affect clavicle motion. Manipulating the stabilizing ligaments of the sternoclavicular joint resulted in altered clavicle and scapula rotations. The changes in scapula motion were consistent with kinematic alterations reported in subjects with subacromial impingement syndrome. These results demonstrate that altered sternoclavicular stability affects clavicle motion and influences both acromioclavicular joint and scapula rotations and suggests altered clavicle motion may be a mechanism for developing shoulder pathology.</p><p>In order to include clavicle motion in future shoulder studies, a non-invasive measure of dynamic clavicle motion was validated against bone pin measurements. Based on this analysis, it was determined that the surface sensor accurately tracks retraction and elevation, but underestimates posterior rotation. A mathematical equation was developed to improve the fit of surface sensor values for posterior rotation. To assess the plausibility of the surface sensor for capturing clavicle motion, active clavicle rotations were captured in vivo in healthy subjects. Active clavicle retraction captured with the surface sensor was below previously reported values. However, this rotation did have the highest ICC values in the validation study so it is possible that the sensor was able to track this motion and these healthy subjects truly had a lower amount of retraction. Also, clavicle elevation and posterior rotation captured with the surface sensor in vivo are consistent with previous in vivo studies and support the validity of the surface sensor for collection of active 3D clavicle rotations. Finally, the contribution of clavicle rotations and associated muscle activation to total shoulder motion were explored using this validated surface sensor in healthy subjects. This investigation identified normal variations in the clavicle and scapula kinematics and muscle activation patterns between phases of elevation and the dominant and non-dominant extremity.</p><p>Collectively, the studies in this dissertation demonstrate a mechanical link between clavicle and scapula rotations and provide a validated non-invasive measurement tool for capturing active clavicle rotations in future studies. These findings are notable as clavicle motion patterns are generally not studied when exploring mechanisms for shoulder pathology.</p> 2010-09-02 English text The Ohio State University / OhioLINK http://rave.ohiolink.edu/etdc/view?acc_num=osu1275406915 http://rave.ohiolink.edu/etdc/view?acc_num=osu1275406915 unrestricted This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws. |