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Finite element models are used to assess the risk of developing pressure ulcers in the thighs and buttocks of wheelchair users. These models depend on experimentally obtained in vivo tissue properties from humans. However, data sets identifying the complete force-deflection curves for tissues from w...
Since treadmill walking is a redundant task, there is an underlying control goal such as matching treadmill speed or maintaining constant position. For unperturbed walking and running, the goal is matching average treadmill speed. It is unknown how robust this goal is. This abstract shows that the g...
Personalisation is crucial in neuromusculoskeletal (NMSK) modelling, especially in understanding neuromuscular disorders, such as cerebral palsy. Nonetheless, commonly used NMSK models rely on scaled generic musculoskeletal anatomies and optimisation algorithms to solve for muscle forces. Consequent...
The relationship between patellar maltracking and instability is poorly understood. Patellar maltracking can be subjectively described, but it is difficult to objectively assess using clinical tests or traditional imaging techniques. Using personalised tibiofemoral (TFJ) and patellofemoral joint (PF...
This work outlines the development and performance of a 3D scanning system incorporating multiple Intel RealSense Depth Cameras. The system can capture time-varying colored 3D scans at up to 60 frames-per-second. Software was developed to align and process images from multiple cameras into a pointcl...
People with transtibial amputation, due to diabetes, vascular diseases, congenital, cancer, or trauma, are custom fitted with a prosthetic limb to regain mobility and independence. However, the cost of the prosthesis varies, depending on the design, materials used, and function of the user. The pros...
Foot insoles are frequently prescribed in routine clinical practice to prevent or treat foot deformities or functional alterations. Currently adopted procedures for foot insoles manufacturing vary among clinical practitioners and manufacturers and decisions are mainly left to the experience of the o...
Walking is the most basic exercise of physical activity. Each person has different walking types, but additional time and equipment are required to distinguish them. In order to solve this problem, we intend to develop an index that can easily distinguish various gait types by using center of pressu...
This work proposes a method for creating a finite element model (FEM) of knee joints considering the ligament geometry and material properties. Experiments were conducted to obtain the material properties of the anterior cruciate ligament (ACL) and the posterior cruciate ligament (PCL) through a ten...
The 3D shoulder kinematics of 11 male volleyball players was compared at specific humerothoracic elevation angles (15º, 45º, 60º, 75º and 90º) in a) constrained arm elevation movement (in the scapular plane or scaption) and b) functional arm elevation movement (proprioceptive neuromuscular faci...
Exploratory Factor Analysis was used to determine the optimal athlete movement domains and the associated key metrics from 55 metrics collected from athletes performing a wheelchair (WC) rugby field test. The analysis demonstrated that a minimum number of factors can be groups into domains. This can...
This research sought to determine the minimum number of walking strides required to reliably measure single-task (ST) gait, dual-task DT) gait as well as ST-DT difference scores in older adult fallers and non-fallers. We found that for almost all metrics the minimum number of strides required to acc...
This study compared the performance of five artificial neural networks in evaluating surface electromyography (sEMG) signal quality. AlexNet demonstrated the highest accuracy (99.55%) with negligible false classifications, indicating that sEMG quality evaluation can be automated via an image recogni...
The cervical spine poses a high risk of paralysis when injured. Recently surgeons have begun using cervical total disc replacements (CTDR) to preserve motion when reconstructing the cervical spine. This researched focused on the construction of a 3D geometrical reconstruction of the full cervical sp...
Transtibial or below-knee prosthesis are known to have difficulty releasing heat, which can lead to prolonged, elevated residual limb skin temperatures inside the prosthesis and thermal discomfort. In this preliminary study, a thermal finite element analysis of a simplified, transtibial residual lim...
Markerless motion capture technology has the potential to revolutionize the way biomechanics researchers collect data. By moving data collection out of the lab, new research opportunities previously unavailable will be opened to the greater biomechanics community. Our work utilizing a combination of...
Running gait kinetics and kinematics can be measured in the lab using force-instrumented treadmills and 3D motion capture. However, these tools are not feasible for use in the daily training environment of recreational and elite runners. A prototype wearable smart garment (SG) has been developed to ...
Surgical robots capable of operating under magnetic resonance image(MRI) scanner may improve efficiency and safety of neurosurgery. In previous work, a five-axis MRI compatible robot was developed and validated MRI compatibility and safety of the prototype. The goals of this study are twofold: posit...
The height of the medial longitudinal arch (MLA) is a main parameter to classify foot normality and an indicator of potential injuries of the foot and ankle. The current study aimed to quantify the development of MLA under the influence of gender and normalization in school-age children in Taiwan vi...
Gait adaptability may be a predicting factor in the outcome of joint replacement surgery. Stepping targets have been used to show a difference in gait adaptability between young and older adults, however not in a test that relates to the rehabilitation of gait after surgery. The aim of this study to...
The purpose of this study was to determine the best combination of ground reaction force (GRF) parameters for maximizing power during the power snatch (PS). Ten skilled weightlifters completed a total of five PS trials with 60% of one repetition maximum. Vertical GRF (VGRF), horizontal GRF (HGRF), r...
The implementation of the non-linear analysis method, Detrended Fluctuation Analysis (DFA), has been hindered by a lack of consistency in its application. Our study sought to establish recommendations for the box size ranges over which the output of DFA, alpha (α), is calculated for postural contro...
Full body musculoskeletal models are of great interest due to their ability to capture a more accurate representation of human motion. Over time, full body models have grown in detail, although more work must be done. In this work, previously validated OpenSim models are combined to create a more de...
With the aim of early prediction of dementia, a body balance assessment system with integrated virtual reality (VR) has been developed and its construct validity was evaluated for the first time with 14 healthy older adults (OA). We measured their body sway speed in 22 different conditions, intentio...
Models that can predict the risk of herniation or re-herniation can aid in the development of surgical and rehabilitative treatments. Despite an abundance of computational spine models, there are none that have been specifically developed and validated to predict the risk of IVD herniation. Therefor...
This Abstract summarizes a novel automated system to introduce stumble-inducing gait perturbations that are: (1) realistic, (2) are unanticipated by subjects, and (3) accurately controllable in their timing. Furthermore, this system (4) allows for kinematic and kinetic evaluation before and after th...
The development of a product for medical use must meet a series of requirements to be used, when you want to use the product, it is necessary to perform some measurements and tests to ensure that the equipment meets the requirements satisfactorily. Being a new development, it is very important that ...
This study utilized inertial sensors placed on bilateral thighs and bilateral shanks to examine the movement of the four individual segments of the lower limbs during gait in people with unilateral lower limb amputation (LLA). Differences were exhibited between groups based on having amputation at t...
This presentation will focus on the first results from a one year prospective cohort study on running-related injuries (RRI) conducted in Gothenburg, Sweden. The study combined biomechanical and epidemiological measures to try to shed light on the associations between possible risk factors (clinical...
Pitches made during a game are highly monitored and regulated in all levels of baseball with no attention made to any other throws, especially in the bullpen. Assumptions have been made that bullpen throws are not as stressful as in game pitches and do not need to be monitored; however, there are no...
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