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Date of download: 11/13/2016 Copyright © ASME. All rights reserved. From: Effects of Prosthetic Mismatch and Subscapularis Tear on Glenohumeral Contact Patterns in Total Shoulder Arthroplasty: A Numerical Musculoskeletal Analysis J Biomech Eng. 2016;138(12):121007-121007-8. doi:10.1115/1.4034654 (a) Workflow of inverse dynamic analysis (adapted from Ref. [17]) and (b) workflow of inverse dynamic analysis with the force- dependent algorithm. q, q ̇, q ̈ : respectively, position, velocity, acceleration of each bone segment, I(q)q ̇ : inertial forces and torques (vector), C(q)q ̇ 2: centrifugal and Coriolis forces and torques (vector), G(q): gravitational forces and torques (vector), G(q): muscle moment arms (matrix), FMT: musculotendon (MT) forces (vector), R(q)FMT: torques (vector), F: joint forces, and C(q,q ̇ ): external forces and torques applied to the body by the environment (vector). Figure Legend:
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Date of download: 11/13/2016 Copyright © ASME. All rights reserved. From: Effects of Prosthetic Mismatch and Subscapularis Tear on Glenohumeral Contact Patterns in Total Shoulder Arthroplasty: A Numerical Musculoskeletal Analysis J Biomech Eng. 2016;138(12):121007-121007-8. doi:10.1115/1.4034654 Representation of the two components (humeral head and glenoid) placed in the shoulder model. The figure represents a 6.4 mm mismatch. Figure Legend:
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Date of download: 11/13/2016 Copyright © ASME. All rights reserved. From: Effects of Prosthetic Mismatch and Subscapularis Tear on Glenohumeral Contact Patterns in Total Shoulder Arthroplasty: A Numerical Musculoskeletal Analysis J Biomech Eng. 2016;138(12):121007-121007-8. doi:10.1115/1.4034654 Range of humeral head translations in inferior–superior (IS) and anterior–posterior (AP) directions Figure Legend:
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Date of download: 11/13/2016 Copyright © ASME. All rights reserved. From: Effects of Prosthetic Mismatch and Subscapularis Tear on Glenohumeral Contact Patterns in Total Shoulder Arthroplasty: A Numerical Musculoskeletal Analysis J Biomech Eng. 2016;138(12):121007-121007-8. doi:10.1115/1.4034654 Positions of contact area and center of pressure. The five mismatches are depicted, at five degrees of elevation in the scapular plane (15 deg, 30 deg, 60 deg, 90 deg, and 120 deg). For each case, the contact area for an intact-muscle shoulder (black line) and a shoulder with a subscapularis tear (gray line) are drawn. The centers of pressure are represented by the cross sign. Figure Legend:
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Date of download: 11/13/2016 Copyright © ASME. All rights reserved. From: Effects of Prosthetic Mismatch and Subscapularis Tear on Glenohumeral Contact Patterns in Total Shoulder Arthroplasty: A Numerical Musculoskeletal Analysis J Biomech Eng. 2016;138(12):121007-121007-8. doi:10.1115/1.4034654 Contact area values at the end of elevation (maximal values) Figure Legend:
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Date of download: 11/13/2016 Copyright © ASME. All rights reserved. From: Effects of Prosthetic Mismatch and Subscapularis Tear on Glenohumeral Contact Patterns in Total Shoulder Arthroplasty: A Numerical Musculoskeletal Analysis J Biomech Eng. 2016;138(12):121007-121007-8. doi:10.1115/1.4034654 Pattern of displacement of the center of pressure (COP) during elevation in the scapular plane. The figure shows the values for the 6.4 mm mismatch, corresponding to a combination of a medium glenoid size and a Ø51 mm humeral head size. COP position is represented in black for the intact-muscle shoulder, and in gray for the subscapularis-tear shoulder. Figure Legend:
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Date of download: 11/13/2016 Copyright © ASME. All rights reserved. From: Effects of Prosthetic Mismatch and Subscapularis Tear on Glenohumeral Contact Patterns in Total Shoulder Arthroplasty: A Numerical Musculoskeletal Analysis J Biomech Eng. 2016;138(12):121007-121007-8. doi:10.1115/1.4034654 Glenohumeral joint reaction force and glenohumeral contact pressure at arm elevation of 90 deg Figure Legend:
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