Abstract Archive

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...

Characterization of mechanical load under realistic conditions provides meaningful context for injury risk in runners. The purpose of this study was to determine how reaction forces (RFs) experienced immediately after foot contact were associated with swing and stance leg accelerations measured by i...

The aim of this study was to establish the relationship between asymmetries in muscle strength, activation, and joint kinetics during running. Between-limb differences in peak sagittal plane ankle and knee joint moments during running, isometric plantarflexor and knee extensor strength at three knee...

The vocal fold lamina propria plays an important role in human voice production and control. The lamina propria is often divided into the superficial, intermediate, and deep layers, with each layer of distinct mechanical properties. This layer-wise distinction in mechanical properties is generally c...

Anterior cervical discectomy fusion has a complication in which failure and subsidence of the allograft spacer occurs. In this study, the failure and subsidence risk stresses on allograft spacer were quantitatively analyzed using 6 different post-op models of ACDF with allograft spacer coupled with ...

There is a wide correlation between the biomechanical studies (baropodometry) carried out in the Laboratory of Biomechatronics at CIATEC, A.C., and pelvic limb shortening identified with radiographic scans or radiometry studies.

In animal movement, latches enhance the peak power (Pmax) a muscle-tendon (MT) unit transfers to a body mass by 1) providing a resistive force a muscle can shorten against and store energy in the elastic tissues and then 2) acting as a switch that releases the stored elastic energy at a great rate. ...

Neck pain and discomfort are commonly reported among both civilian and military parachutists. Such pain and discomfort can limit an individual’s cervical spine range of motion (CROM). CROM is an important factor in performing typical daily tasks and when limited individuals may compensate by incre...

With recent developments in the resolution with which spine skin-surface motion is tracked, the opportunity presented itself to calculate dynamic spine stability across smaller sub-regions of the lumbar spine. Additionally, the effect of constraining pelvis motion on dynamic spine stability isn’t ...

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 ...

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...

Hip-related pain is a common cause of lower-limb musculoskeletal pain and a potentially debilitating diagnosis in football players. This study aimed to examine the relationship between hip strength and hip joint kinematics during walking, to assist in the development of targeted interventions.

The objective of the study was to report axial stiffness changes in participants with low back pain (LBP) after two weeks of treatment with a non-thrust chiropractic spinal manipulative technique (flexion-distraction). Twelve participants with LBP (age 18-65; mean: 42) were recruited for this study....

The purpose of this study was to clarify the BLD of spring-like behaviour in hopping at various frequencies and the effect of chronic adaptation via sprint running experience on BLD during the hopping. Fifteen male experienced sprinters and 12 male novices participated in this study. Participants we...

This is a pilot study to investigate if a new conceptual diagnostic test, the Stand-Up Test (SUT) can assess subtle mobility decline in independent community dwellers. A 3D motion capture analysis was applied to quantify the center of mass momentum (COM) during sit-to-stand tasks. The COM controls i...

Suryanamaskar is a Yogic sequence of 12poses alternating between flexion-extension and synchronized with breathing, holding huge potential to improve spine joint motion, muscle strength and postural control.[1] Present study aimed to explore effect of Suryanamaskar intervention on spine pain, kinema...

The present study investigated whether a squat training increase knee and hip flexion and extension strength. Twenty-four healthy young men were randomly assigned to a training group (n = 12) or a control group (n = 12). The training group performed a squat training program with 40% of 1-repetition ...

Abnormal coordination is associated with greater post-stroke impairment. However, it is unclear whether these coordination patterns emerge as a compensation to kinematic constraints such as increased muscle tone. In this work, we characterized the muscle coordination patterns in 14 healthy individua...

A complete understanding of the specific sequence of mechanical and biochemical events, especially in a dynamic environment, is lacking. The goal of this study is to measure chondrocytes deformation in situ when dynamic mechanical loads of physiological relevance are applied. The measurement system ...

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...

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...

Asymmetric loading such as carrying bags and side-pack on one side of the body alter individuals’ gait, posture, as well as trunk and lower extremity biomechanics. The primary hip abductor, gluteus medius, is the main contributor for pelvic stabilization during ambulation and dynamic functional ac...

Ballroom dancing is a popular global activity, with interested participants spanning decades. The goals of this preliminary study are to evaluate two biomechanical assessment tools, pressure sensing insoles and inertial markers, or combining both tools to facilitate the collection of objective, quan...

A methodology is outlined for conducting a subject-specific analysis for a low speed rear-end collision. To demonstrate, a MADYMO model was built from 3D laser scan data of the subject driver and vehicle interior, then given motion consistent with imaging of the subject vehicle’s Event Data Record...

The arm of this study was to understand the differences in biomechanical characteristics between running one and two-legged vertical jumps. 10 male college volleyball players performed one and two-legged vertical jumps randomly. Kinematic and kinetic data were collected by using Six infra-red Qualis...

The purpose of this study was to quantify the effects of using geared wheels on hand-rim kinetics and glenohumeral joint kinetics during wheelchair ramp ascent in individuals with spinal cord injury (SCI). Seven veterans with SCI propelled their manual wheelchairs equipped with geared wheels up a ra...

Understanding the cartilage micro-environment has significant implications for evaluation of mechanobiological function of diarthrodial joints. The goal of this study was to measure the 2D strains through the cartilage thickness when dynamic mechanical loads of physiological relevance are applied. A...

After an incomplete spinal cord injury (iSCI), gait deficits of different severities are present and depending on affected tracts, compensatory strategies are often applied. The purpose of this study was to quantify gait impairments and effects of compensatory strategies in individuals with iSCI usi...

The goal of this study was to assess the differences in collision work performed by healthy, aged-matched controls compared to patients with peripheral artery disease (PAD) to provide foundations for an eventual exoskeleton design.