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Mechanical loading and biomechanical factors play a key role in the onset and/or progression of musculoskeletal conditions. Biomechanical studies, including ones performed in vitro, in animal models and in humans, have provided valuable insights into the aetiopathogenesis of musculoskeletal conditio...
The purpose of this study was to determine the effect of varied pelvis perturbations on walking balance and over-ground walking speed in people with incomplete spinal cord injury (iSCI). Eleven subjects with iSCI were recruited. Spatial and temporal gait parameters and muscle activities were assesse...
A systematic review investigating the association between jump-landing mechanics and patellar tendinopathy (PT) was conducted across five electronic databases. Statistically significant variables were identified in 12 studies across five participant cohorts and nine different jump-landing tasks. Cli...
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 onset and progression of knee osteoarthritis (OA) has been associated with the mechanical environment of the articular cartilage during walking. Knee hyperextension (KH), an underrepresented condition typically define as more than 5° of extension, produces increased contact stress on the articu...
Assessing landings is of importance in many sports, due to the relevance of being able to attenuate force efficiently. This project investigated whether a simple spring and damper element model can be used to model a drop and stick landing task. Landing data collected from 13 surfing athletes were f...
This research describes the error involved in a measurement method which uses ultrasound coupled with external motion capture to measure intervertebral motion of the lumbar spine in the sagittal plane. The findings suggest the method is both robust and repeatable, warranting further investigation in...
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...
This study used a finite element (FE) model to determine the spinal loads, and stress distribution in the intervertebral discs (IVDs) of an adult trunk with intact, as well as with the unilaterally weakened muscles under the equivalent loading condition, as an alternative to in vivo loading conditio...
Principal component analysis (PCA) [1] was used as a pattern recognition tool to detect principal modes of variability in whole body movement patterns during performance of the deep squat (DS), right hurdle step (RHS) and left hurdle step (LHS). PCA successfully identified features of the DS and hur...
It is recommended that a thorough assessment of the athlete’s performance through this battery of clinical tests be performed to identify deficiencies prior to competitive sports participation. Using such a performance evaluation tool will aide in objectifying the clinical decision-making used to ...
The objective of this study was to measure the sensitivity of outside assessments compared to in-lab measures in older adults with history of falls. Participants performed indoor and outdoor walking trials. Motion capture and accelerometers were used to measure gait. Only Lyapunov Exponent (LyE) of ...
One-handed lifts, frequently used for lifting of light objects or activities of daily living (ADL), are understudied in the biomechanics literature. Twenty healthy participants (30-70 years old) matched in age and sex to 18 participants with low back pain (LBP) were recruited to compare a one-handed...
Sea turtles are often involved in propeller accidents and get caught as fishery bycatch where substantial injury also due to predatory attach are an all too often occurring consequence. Mutilated turtles are often unable to manoeuvre them self-back to the water surface due to partial or total limb l...
Running is a bilateral activity, but the majority of running injuries are unilateral. Differences in load experienced by the left and right sides of the body may help explain this paradox. This study examined the prevalence of left/right asymmetry among 30 recreationally active adults running at 1.8...
In order to assess the mastication functionality, oral food breakdown procedure was modeled as a simplified fracture mechanics problem and was solved using an enriched smooth particle hydrodynamics method. Maximal occlusal forces computed using this model were in accordance with previous experiments...
Plantar fascia shear modulus was assessed in healthy participants, participants with plantar fasciitis and active pain, and participants with a history of plantar fasciitis, but no current pain. Plantar fascia stiffness was lower in the symptomatic group than either the healthy or asymptomatic group...
Our purpose was to examine the effects of combined pelvic corrective force and non-paretic leg resistance force on paretic leg muscle activity during treadmill walking in individuals with stroke. Nine subjects with stroke participated. A corrective force to the pelvis toward the paretic leg and a re...
The purpose of this research was to identify baseline strength measures that may be predictive of resistance to fatigue during an extended load-bearing military march. Step-wise regression models accounted for 30 - 46% of the variability in how pace, step length, and stance time changed with fatigue...
Previous research has suggested that several critical features are associated with the ability of surfers to successfully land two aerial variations, the Frontside Air (FA) and Frontside Air Reverse (FAR). We aimed to investigate whether surf-like simulated aerial landings replicated the key critica...
An artificial neural network (ANN) has recently been used in conjunction with finite element analysis (FEA) to study different aspects of bone tissue adaptation. Data is limited in the literature to predict displacement in long bones from the measurements of strains and load using ANN. An ANN which ...
This study characterizes plantar pressure differences between hallux valgus patients and healthy controls using statistical parametric mapping (SPM). The plantar pressure differences are minimal which, combined with previous studies, suggest high variability in the plantar pressures of hallux valgus...
We present methodology to integrate motion capture with a plantar/shear stress measurement device. The combined system can be used to characterize foot plantar tissue deformation and calculate multi-segment foot joint kinetics.
Ice hockey is a complex sport with many influences. Improving the player´s skating strength, agility, power and balance equates to improving their performance on the ice. Balance ability was shown to be significantly related to ice hockey maximum skating speed in youth hockey players. High performa...
This study presents a novel approach towards balance assessment during continuous perturbed walking conditions with complex external perturbation profiles. Stability measures defined in this study are based on a seven-segment model of the human body in the sagittal plane.
Exoskeletons can augment the capacity of humans and enhance mobility in the disabled. Often it is required to understand how varied levels of assistance affect the metabolic cost. Experimental studies investigated the effect of varied assistance on metabolic cost for different exoskeletons . Simulat...
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