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Herein, a novel, scaffold-free fiber engineering platform was utilized to investigate the influence of quasi-static and dynamic uniaxial loading on tendon fiber development. Engineered fibers were subjected to 3 days of basic loading (i.e., intermittent cyclic uniaxial strain) or combined loading (i...
Scaling approach can vary between modellers, which in turn can affect the results of gait analysis. We hypothesised that the use of the MAP Client (developed at the ABI) could reduce the variability between modellers for the same subject motion data. After having multiple scalers use both this tool ...
With the aim to obtain a better understanding of the potential contribution of the plantar-flexor muscle-tendon units to high-jump performance, muscle tendon properties as well as jump kinetics and kinematics in seven elite high jumpers. The results of this study clearly indicate that, different tak...
Tai Chi has demonstrated its effectiveness for improving the postural stability of older adults and high fall risk individuals. The effects of Tai Chi on the postural stability of healthy young adults, however, have yet to be investigated. The present pilot study aimed to fill this gap. The pre-/pos...
This study investigated trunk co-contraction during prolonged standing in women with small and large chest sizes. Higher levels of trunk co-contraction were found for the large chest size group. Global flexor-extensors, latissimus dorsi, and the erector spinae (T4, T9, L1 levels) displayed higher co...
This study investigated the effect of polycarbonate-urethane (PU) interpositional knee spacers on load distribution in 3D printed knee models under the consideration of a potential treatment for knee osteoarthrosis (KOA).
Researchers and manufacturers often tout the energy storage and return in their passive prosthetic foot designs, but limited evidence suggests that more energy is necessarily advantageous for mobility. In this project, we utilized a custom variable-stiffness ankle prosthesis that enabled subjects to...
According to the American College of Rheumatology, there are approximately 14 million people suffering from symptomatic knee Osteoarthritis (OA), two million of those being under the age of 45 [1]. Usual treatments for OA consist of total knee replacement, and use of knee orthosis [2]. However, the ...
The purpose of this study is to classify the spinal curvature in a cross-legged sitting posture. The sitting position was defined as three positions (flat, lordosis, and slump) considering the spinal curvature. In this study, we developed a classification algorithm that reflects the characteristics ...
With many TARs on the market the variety of implant fixations mechanisms is large. The amount of micromotion within the Bone-Implant-Interface affects clinical success. Current fixations mechanisms are compared to new concepts and a minimization of micromotion within the BII was found.
Muscle and knee forces were estimated for a female athlete performing a drop vertical jump (DVJ) to quantify tibial anterior shear force (ASF) during landing. The contribution of the gastrocnemius muscle to peak ASF was assessed. The gastrocnemius wrapping around the posterior aspect of the tibia co...
Vertical stiffness (Kv) of the runners was calculated using inertial sensing unit during marathon race. The good runner showed consistent step variables, but the runner decreased running speed showed decrease in Kv earlier or later of decrease in running speed. It is suggested that Kv might be an in...
The purpose of this study was to further understand the role of plantar-surface sensation in modulating muscle activity. The additional of texture to orthotics served as a mechanism to manipulate mechanoreceptors in the sole of foot. The study divided the plantar foot surface into 5 distinct areas. ...
Running-specific leg prostheses (RSPs) are made of carbon fiber, mimic the spring-like function of tendons, and allow elastic energy storage and return during level-ground steady-speed running; however, unlike biological legs, passive-elastic RSPs cannot generate mechanical power anew, vary stiffnes...
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