A new shoulder model with a biologically inspired glenohumeral joint

Quental, Carlos; Folgado, João; Ambrósio, Jorge; Monteiro, Jacinto

doi:10.1016/j.medengphy.2016.06.012

Cited by 20 publications

(14 citation statements)

References 50 publications

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“…However, their developed model was not a general multibody model undergone large overall spatial displacement and rotation. Quental et al [285] also utilized a spherical clearance joint with clearance to propose a new shoulder model to perform inverse dynamic analysis to estimate the muscle and joint reaction forces of the upper limb and glenohumral articulation.…”

Section: Spherical Joint With Clearancementioning

confidence: 99%

A comprehensive survey of the analytical, numerical and experimental methodologies for dynamics of multibody mechanical systems with clearance or imperfect joints

Tian

Flores

Lankarani

2018

Mechanism and Machine Theory

315

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A comprehensive survey of the literature of the most relevant analytical, numerical, and experimental approaches for the kinematic and dynamic analyses of multibody mechanical systems with clearance joints is presented in this review. Both dry and lubricated clearance joints are addressed here, and an effort is made to include a large number of research works in this particular field, which have been published since the 1960's. First, the most frequently utilized methods for modeling planar and spatial multibody mechanical systems with clearance joints are analyzed, and compared. Other important phenomena commonly associated with clearance joint models, such as wear, non-smooth behavior, optimization and control, chaos, and uncertainty and links' flexibility, are then discussed. The main assumptions procedures and conclusions for the different methodologies are also examined and compared. Finally, future developments and new applications of clearance joint modeling and analysis are highlighted.

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Section: Spherical Joint With Clearancementioning

confidence: 99%

A comprehensive survey of the analytical, numerical and experimental methodologies for dynamics of multibody mechanical systems with clearance or imperfect joints

Tian

Flores

Lankarani

2018

Mechanism and Machine Theory

315

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“…Nevertheless, the methodology of the current study was considered adequate because the stability constraint applied during inverse dynamics is expected to simulate the stability requirements of the joint [ 49 ]. Furthermore, by modelling the shoulder joint as a spherical joint with clearance [ 50 ], the musculoskeletal model applied may be used in future studies to evaluate the role of the graft as a spacer.…”

Section: Discussionmentioning

confidence: 99%

Shoulder Positioning during Superior Capsular Reconstruction: Computational Analysis of Graft Integrity and Shoulder Stability

Antunes

Quental

Folgado

et al. 2021

Biology

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The shoulder position during fixation of the graft may be a key factor impacting the outcome of arthroscopic superior capsular reconstruction (ASCR) in irreparable rotator cuff tears (IRCTs). However, biomechanical evidence regarding this effect is lacking. The aim of this study was to evaluate the influence of the shoulder position during fixation of the graft on shoulder stability and graft tear risk in ASCR. A 3-D musculoskeletal model of the upper limb was modified to account for the fixation of the graft in ASCR, assuming a full-thickness tear of the supraspinatus tendon. The concomitant tenotomy of the long head of the biceps (LHB) tendon was also studied. The biomechanical parameters evaluated included the strain of the graft and the glenohumeral joint reaction force (GH JRF), which were used to evaluate graft integrity and shoulder stability, respectively. Fixation of the graft considering abduction angles greater than 15° resulted in a high risk for graft tearing when the arm was adducted to the side of the trunk. For abduction angles below 15°, the mean shoulder stability improved significantly, ranging between 6% and 20% (p < 0.001), compared with that in the preoperative condition. The concomitant tenotomy of the LHB tendon resulted in loss of stability when compared to ASCR with an intact LHB tendon. The position of the shoulder during fixation of the graft has a significant effect on shoulder stability and graft tear risk after ASCR in IRCTs. This study provides new and important information regarding the role of shoulder positioning during fixation of the graft.

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“…Limitations of the model include an overly constrained glenohumeral joint, as the kinematics of a ball-socket joint does not allow translation of the humerus within the glenoid cavity [18,38]. Our inverse dynamics control algorithm does not include active stabilisation for constraining JRF within the glenoid cavity, leading potentially to an under-estimation of JRF [16] in the MRCT cases (-ssp-ssc and -ssp-isp-tmi), whereby the joint might be unstable.…”

Section: Discussionmentioning

confidence: 99%

Influence of Rotator Cuff Integrity on Loading and Kinematics Before and After Reverse Shoulder Arthroplasty

Péan¹,

Favre²,

Göksel³

2020

Preprint

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Reverse Shoulder Arthroplasty (RSA) has become a very common procedure for shoulder joint replacement, even for scenarios where an anatomical reconstruction would traditionally be used. In this study, we investigate joint reaction forces and scapular kinematics for rotator cuff tears of different tendons with and without a reverse prosthesis. Available motion capture data during anterior flexion was input to a finite-element musculoskeletal shoulder model, and muscle activations were computed using inverse dynamics. The model was validated with respect to in-vivo glenohumeral joint reaction force (JRF) measurements, and also compared to existing clinical and biomechanical data. Simulations were carried out for the intact joint as well as for various tendons involved in a rotator cuff tear: superior (supraspinatus), superior-anterior (supraspinatus and subscapularis), and superior-posterior (supraspinatus, infraspinatus and teres minor). Each rotator cuff tear condition was repeated after shifting the humerus and the glenohumeral joint center of rotation to simulate the effect of a reverse prosthesis. Changes in compressive, shear, and total JRF were analysed, along with scapular upward rotation. The model compared favourably to in-vivo measurements, and existing clinical and biomechanical knowledge. Simulated JRF lie in the ranges of in-vivo JRF measurements and shows a linear increase past 90°flexion. Implanting a reverse prosthesis with a functional rotator cuff or with an isolated supraspinatus tear led to over 2 times higher compressive force component than with massive rotator cuff tears (superior-anterior or superior-posterior). Such higher compression forces might increase the risk of wear and implant fracture.

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A new shoulder model with a biologically inspired glenohumeral joint

Cited by 20 publications

References 50 publications

A comprehensive survey of the analytical, numerical and experimental methodologies for dynamics of multibody mechanical systems with clearance or imperfect joints

A comprehensive survey of the analytical, numerical and experimental methodologies for dynamics of multibody mechanical systems with clearance or imperfect joints

Shoulder Positioning during Superior Capsular Reconstruction: Computational Analysis of Graft Integrity and Shoulder Stability

Influence of Rotator Cuff Integrity on Loading and Kinematics Before and After Reverse Shoulder Arthroplasty

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