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Although weightbearing CT scans have become common for assessment of foot and ankle disorders, radiographs are still the standard for imaging the hindfoot. This study assessed the influence of various digitally reconstructed radiograph (DRR) projection views derived from weightbearing CT scans with ...
The human masticatory region is a highly complex biomechanical apparatus. A connection between joint problems and increased joint loads has been suggested in previous literature, but in vivo investigations of the joint load are not possible. Biomechanical computer simulation remains one of the only ...
Humans typically prefer metabolically economical gait patterns, as evidenced by increases in metabolic cost that accompany large deviations from the preferred step length and step width. Alterations of the mechanical context tend to evoke changes in the preferred gait mechanics that are consistent w...
The production of prosthetic socket for a disabled person is made by the hand of the manufacturer, which makes it difficult to maintain the consistency of the quality, and the production time is lengthened and the efficiency of the work is poor. In order to overcome these problems, we have studied t...
Natural adult aging is associated with a reduction in muscle force production capacity during isometric and shortening contractions. However, during active lengthening of muscle, force is well-maintained into old age. In this symposium I will discuss the age-related maintenance of eccentric strength...
There is a clear need for prospective experiments that include the tracking of day-to-day running exposures to better understand running-related injury (RRI) development. In this presentation, preliminary results of a 1-year online prospective survey study regarding the influence of week-to-week cha...
The origin and current state of the ISG group will be introduced. By reviewing the presentations of the past ISG meetings, general trends of developments will be highlighted. As examples, the three invited speakers will be introduced.
Wearable sensors, including inertial measurement units (IMUs), are portable and affordable and are quickly becoming a common alternative for biomechanics research. As the biomechanics community begins to embrace this technology and the ability to move out of the traditional laboratory setting, there...
Spotting is a dance-specific head coordination in which dancers fixate their heads to the front while turning. An experimental study in which dancers performed continuous revolutions aimed to analyze parameters of the spotting technique, balance, and dizziness. To this end, motion capture and EOG me...
Spinal cord injury (SCI) begins with mechanical insult to the cord (i.e. primary injury), followed by a myriad of biological events such as ischemia, inflammation, etc. that further damage the cord (i.e. secondary injury). The wide variability, or heterogeneity, in human SCI is due partially to biom...
This short presentation provides a few thoughts on how the field of biomechanics has evolved over my career, the role of the Canadian Society for Biomechanics (CSB) in my career development and thoughts on how the field will continue to contribute to addressing important clinical questions that can ...
A new high accuracy personalised HTO procedure, ToKa,has been created. An in silico trial based on real patient data has demonstrated the mechanical safety equivalence of the personalised ToKa HTO plate and the most commonly used generic plate.
We propose that the metabolic cost of walking can be estimated from a simple mechanical model composed of centre of mass velocity redirection, body weight support, torso and swing dynamics, and foot-to-ground clearance. From human biomechanical walking data provided by the ISB 2019 metabolic cost mo...
Eccentric exercise training, whereby muscles generate significant tension whilst lengthening, evoke broad ranging adaptations in the musculotendinous system that differ from training where predominately isometric or concentric actions are performed. This provides the opportunity for prioritising ecc...
Researchers recently demonstrated that exoskeleton assistance strategies aimed at keeping the human “in-the-loop” can achieve significant improvements in locomotor performance. Given these findings, we sought to develop an alternative human-in-the-loop strategy rooted in the idea of co-adaptatio...
Biomechanics holds substantial promises for engaging students in important concepts in science, technology, engineering, and mathematics (STEM) at the P12 levels as it can overlay nicely with national standards. This project examined the feasibility of using a questioning assessment, that elicits bi...
Drs. Jessica Selinger and Max Donelan, co-organizers of this symposium, will begin by providing an overview of energy optimization and its central role in shaping our behaviour, as well as its explanatory limits.
Training errors are often implicated in the development of running-related injuries (RRIs), yet little is known about "how much is too much" when it comes to progression of training loads. Biomechanical factors are also believed to moderate RRI risk since the magnitude and distribution of forces dep...
A causal relationship between pain and gait alterations in knee osteoarthritis (OA) is often implied in the cross sectional studies, however evidence of a casual relationship between pain and gait mechanics in the literature is limited. We have explored the motor system response to acute exacerbatio...
Perception of dance is discernment of reoccurring shapes and patterns. These, in turn are based on numerical relationships that are expressions of space and time. In movement, biomechanical mathematics describe kinematics & kinetics. We ask, is there a biomechanical metric that relates to our aesthe...
Extensive research goes into developing assistive technology that can replicate biological function after severe lower limb trauma. The assistive technology we put on a patient can be most advantageous when we also invest in what we put in a patient. Considering the needs and challenges of the end u...
We use robotic and cadaveric hand preparations to evaluate the efficacy of a novel passive implant mechanism in the ECRL-to-FDP transfer tendon-transfer surgery.Compared with directly suturing the donor to recipient tendons, the implant enables passive differential grasp adaptation between the index...
The change of the trabeculae is continuously changed by external stimulus and environment which is mechanoelectrical biosignal, since the bone fluid shear stress and flow induced by the trabeculae deformation stimulate the osteocytes for the bone modeling. The bone fluid flow is generated by mechani...
Gait parameters (locomotion bout, speed, cadence, variability) obtained during long-term recording through wearable sensors are presented for a large cohort to highlight the importance of real-world (RW) gait analysis. A new framework for optimizing gait algorithms in RW situations for each individu...
Due to the long term consequences of ACL rupture, including pain, instability, loss of function, and early onset osteoarthritis, injury prevention is of the utmost importance. The efficacy of prevention programs may be enhanced by data quantifying the positions that put the ACL at risk for injury. U...
Simulations and experimental studies show that it is possible to reduce loads in joints that are not directly assisted by an exoskeleton. In this presentation, we will give an overview of proximal effects of ankle exoskeletons as well as preliminary results on distal effects of a robotic waist tethe...
Wearable sensors enable collection of large quantities of data from real-world movement, but the variety of behaviors recorded makes it challenging to distill generalizable knowledge from these data. This research develops a method for comparing the effects of mobility interventions on frequently-re...
Despite there are many types of internal fixation devices for surgical treatment of acetabular fractures, reliable and accurate test method for assessing post-op biomechanical stability is still lacking. This makes more difficult for surgeons to accurately predict post-op stability of the device to ...
A biomechanical model of the lower limb with active three-dimensional (3D) muscles is developed in the open-source Artisynth platform (www.artisynth.org) to simulate knee movement. This model is going to be used in particular to broaden our knowledge about the biomechanical effects of high tibial os...