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We investigate how noise during laxity trials affect optimisation-based estimations of knee ligament properties. One subject-specific knee model with known ligament properties was created. Four sets of laxity trials, with an increasing number of load cases, were simulated and uniform noise ([-0.5, 0...
By studying the biomechanical structures and neuromuscular control underlying movement, we can discover strategies to prevent injury, treat disease, and enhance performance. We developed OpenSim 4.0 to model human movement and to simulate the effects of surgery and devices on performance. We are enh...
We tested whether optical flow perturbations in walking can detect preclinical balance impairment in people with multiple sclerosis (PwMS). Compared to age-matched controls, PwMS had higher and more pervasive gait variability in the presence of perturbations. Thus, optical flow perturbations may det...
Modifying the placement of the reverse total shoulder arthroplasty (RTSA) prosthesis can have an effect on functional outcomes. A biomechanical model of the shoulder was used to evaluate 48 RTSA configurations. To determine which of these was an optimised configuration, a total of 5040 simulations w...
The purpose of this study is to maximize the performance of long jump in lower extremity amputees using computer simulation. A two-dimensional human body-prosthesis model was constructed, and the jump motion including approach run and prosthesis foot were optimized using genetic algorithm to maximiz...
Model-based biplanar fluoroscopic bone tracking is a powerful tool for biomechanists seeking to quantify in vivo, functional joint motion. The sizes, shapes, and configurations of the osseous foot and ankle anatomy present a series of unique challenges to obtaining optimal kinematic data with minima...
The purpose of this study was to evaluate the dynamic knee joint stiffness of paediatric females with and without an ACL rupture. Healthy and injured paediatric females performed five bilateral squats and completed the Pedi-IKDC questionnaire. While the Pedi-IKDC indicated a significant change in fu...
Loading mechanics after anterior cruciate ligament reconstruction is said to lead to the progression of knee osteoarthritis. Early inflammation biomarker levels and patient reported levels of pain predict poor loading mechanics 6 month post-surgery during running in those who have undergone anterior...
Regular papers should present novel perspectives within the general scope of the conference. Short papers (Work-in-Progress) are an opportunity to present preliminary or interim results. Posters are intended for ongoing research projects, concrete realizations, or industrial applications/projects pr...
Prospective authors are invited to submit manuscripts reporting original unpublished research and recent developments in the topics related to the conference. It is required that the manuscript follows the standard IEEE camera-ready format (IEEE standard format, double column, 10-point font). ...
A skin autofluorescence is useful index to estimate the accumulation of advanced glycation end products (AGEs) as a non-invasive assessment. The purpose of this study was to estimate the relationship between the skin autofluorescence (AF) and the muscle activities of the lower limb in the elderly pe...
The development of wearable inertial sensors has provided the possibility to assess and diagnose Parkinson’s disease (PD) based on the patients’ gait pattern. The goal of this study was to compare the classification performances from fifteen different combinations of sensor configurations using ...
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Use of passive exoskeletons to tune muscle-tendon dynamics for improvement of balance remains an unexplored area of research. A computational model of standing balance on a passive prosthesis was used to find values of hip exoskeleton stiffness and damping which optimized resistance to destabilizing...
Lower-limb joint impedance is governed by inter-muscular length, velocity, and force-dependent feedback. These feedback pathways regulate the stiffness and damping properties of the lower-limb by modulating muscle activation. The network of length, velocity, and force-dependent feedback pathways is ...
Commonly used musculoskeletal models rely on scaled generic bony geometries, which poorly represent an individual’s skeletal anatomy. This results in erroneous joint centre location, muscle origin and insertion points, and muscle-tendon moment arm estimates leading to inaccurate biomechanical anal...
A soft pneumatic sleeve orthosis worn around the forearm and connected to the cuff of a Lofstrand crutch was designed to help alleviate high loading demands on the wrist and hand during crutch-assisted gait. When pressurized, the orthosis was found to provide moderate and physiologically-acceptable ...
Haber, Hendry, Darkenwald, Knowlton, Rowley, Kenny: A panel discussion focused on how wearables can be used in the future to quantify dance movement, enhance artistic expression, and provide value for dance as an effective means to engage youth in STEAM education concepts
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The versatile soft tissue contrast of magnetic resonance imaging (MRI) has enabled studying local strains in muscle fiber direction (Ef) as probed by diffusion tensor imaging (DTI). Recently, tracked fascicles of medial gastrocnemius (GM) muscle showed heterogeneous Ef distributions. As opposed to a...
With the development of state-of-the-art experimental and computational methods, as well as increased collaborative and interdisciplinary research, the positive impacts of biomechanics research on aspects of daily living have been profound and continue to grow. Here, in addition to summarizing my co...
Lower limbs muscle force capabilities can be determined during all-out sprints, but the method is accurate only if the testing protocol provides a good fit of the data in the torque-velocity (T-V) and power-velocity (P-V) relationship curves. This study compared the goodness of fit from single all-o...
Through an experimental decoupling of whole-body metabolic and muscle activation-related costs, we provide empirical evidence of humans embracing non-metabolic optimality in favor of a clearly defined neuromuscular objective.
Designing wearable devices for use on deformable terrain is an ongoing engineering challenge. This is particularly apparent when we examine locomotion on dissipative surfaces such as sand or snow. These surfaces have complex, variable dynamics which lead to increased fatigue and metabolic cost durin...
The current study examined 200 outdoor training runs from 23 recreational runners at predefined durations and intensities. The first and last 10% of each training session were compared for fatigue effects on dynamic loading, stability, and spatio-temporal variables using a single trunk mounted accel...
The purpose of this study was to examine the strength ratios between limbs, and the muscular performance in paediatric patients with an ACL injury throughout an isokinetic muscular endurance task. Ten paediatric participants completed 44 dynamic maximal flexion/extension repetitions on a Biodex Dyna...
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