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Articles 1 - 10 of 10
Full-Text Articles in Medicine and Health Sciences
Optimization Of The Musculoskeletal Simulation In Estimation Of Metabolic Cost, Arash Mohammadzadeh Gonabadi, Philippe Malcolm
Optimization Of The Musculoskeletal Simulation In Estimation Of Metabolic Cost, Arash Mohammadzadeh Gonabadi, Philippe Malcolm
UNO Student Research and Creative Activity Fair
Energy from food is supplied to the human body in the form of chemical energy in the muscles. This metabolic energy expenditure is one of the main determinants of the way we walk, and indirect calorimetry measurements are an essential tool for understanding how increases in metabolic cost restrict the mobility of clinical populations. Respiratory oxygen consumption measurements allow recording of the average metabolic cost of walking. However, the time required for these measurements prevents assessing metabolic rate in patients who cannot walk long enough. Musculoskeletal modeling techniques allow to estimate average muscle energy expenditure during locomotion in conjunction with …
How Can Actuation Timing And Magnitude Of A Bilateral Semi-Rigid Hip Exoskeleton Optimize Metabolic Cost, Arash Mohammadzadeh Gonabadi, Prokopios Antonellis, Sara Myers, Iraklis Pipinos, Philippe Malcolm
How Can Actuation Timing And Magnitude Of A Bilateral Semi-Rigid Hip Exoskeleton Optimize Metabolic Cost, Arash Mohammadzadeh Gonabadi, Prokopios Antonellis, Sara Myers, Iraklis Pipinos, Philippe Malcolm
UNO Student Research and Creative Activity Fair
Semi-rigid exoskeletons could combine some advantages of rigid and soft approaches. The purpose of this study was to investigate the effects of timing and magnitude of assistance from a semi-rigid hip exoskeleton. For ten participants, we tested ten conditions that were combinations of 5 different end-timings, ranging from 21% to 49%, and 2 different moment magnitudes ranging from 0.06 to 0.12 Nm.kg-1. The participants walked in two reference conditions: a condition without actuation and a condition without the exoskeleton. A semi-rigid hip exoskeleton could alter metabolic rate. However, to produce a net assistive effect, it is necessary to …
Considerations For Implementing An Ankle Foot Orthosis To Improve Mobility In Peripheral Artery Disease, Ayisha Bashir, Sara A. Myers, Danae Dinkel, Iraklis Pipinos
Considerations For Implementing An Ankle Foot Orthosis To Improve Mobility In Peripheral Artery Disease, Ayisha Bashir, Sara A. Myers, Danae Dinkel, Iraklis Pipinos
UNO Student Research and Creative Activity Fair
An ankle- foot orthosis (AFO) can contribute to push-off during walking by storing energy from heel strike in the rigid strut and subsequently returning force during push-off. Peripheral artery disease (PAD), a manifestation of systemic atherosclerosis, blocks the arteries supplying blood to the legs and causes muscle pain and weakness, which leads to difficulty walking. Wearing an AFO can help patients with PAD walk better. In our study, subjects decided whether to adopt or not adopt the AFO. Our goal is to assess early AFO intervention withdrawal (wAFO) and AFO intervention completion (cAFO). Participants (n=21) were recruited and consented to …
Ankle–Foot Orthosis Alters Biomechanics Of Lower Extremities During Walking, Farahnaz Fallah Tafti, Iraklis Pipinos, Jason Johanning, Hafizur Rahman, Mahdi Hassan, Sara Myers
Ankle–Foot Orthosis Alters Biomechanics Of Lower Extremities During Walking, Farahnaz Fallah Tafti, Iraklis Pipinos, Jason Johanning, Hafizur Rahman, Mahdi Hassan, Sara Myers
UNO Student Research and Creative Activity Fair
Lower extremity peripheral artery disease (PAD) is a cardiovascular condition caused by narrowed or blocked arteries supplying blood to the legs. Leg pain and myopathy significantly impair gait from the first step. Using AFO may assist the gait and prolong the distance patients with PAD can walk. This study aimed to investigate the effect of AFO on the gait biomechanics of patients with PAD. Fourteen Participants walked over the force platforms with and without an AFO and kinetics and kinematics were combined to quantify torques and powers of the hip, knee, and ankle joints. Our data demonstrate that use of …
Team Coordination Dynamics Of Winning Nba Teams, Alli Grunkemeyer, Joel H. Sommerfeld
Team Coordination Dynamics Of Winning Nba Teams, Alli Grunkemeyer, Joel H. Sommerfeld
UNO Student Research and Creative Activity Fair
Predicting sports games outcomes is an endless pursuit shared by stakeholders ranging from fans to coaches to data scientists. We have begun investigating the value of positional data recorded during basketball gameplay with the goal of predicting outcomes from team dynamics as they emerge. We approached this problem by analyzing the “shape” of team movements on the court and investigated whether team dynamics in NBA games mimicked long-range correlated patterns observed in other team contexts. We analyzed 622 NBA games from an archival data set, including all area time series obtained for each of the four quarters. We fit a …
Design And Development Of Software With A Graphical User Interface To Display And Convert Multiple Microscopic Histology Images, Sayed Ahmadreza Razian, Majid Jadidi, Alexey Kamenskiy
Design And Development Of Software With A Graphical User Interface To Display And Convert Multiple Microscopic Histology Images, Sayed Ahmadreza Razian, Majid Jadidi, Alexey Kamenskiy
UNO Student Research and Creative Activity Fair
Histological images are widely used to assess the microscopic anatomy of biological tissues. Recent advancements in image analysis allow the identification of structural features on histological sections that can help advance medical device development, brain and cancer research, drug discovery, vascular mechanobiology, and many other fields. Histological slide scanners create images in SVS and TIFF formats that were designed to archive image blocks and high-resolution textual information. Because these formats were primarily intended for storage, they are often not compatible with conventional image analysis software and require conversion before they can be used in research. We have developed a user-friendly …
Perishing Personhood, Alaina Mann
Perishing Personhood, Alaina Mann
UNO Student Research and Creative Activity Fair
Many people think that art and science do not overlap, especially in an educational sense. As someone who is both a biology and studio art major, I wanted to explore this mentality. This past semester I dived into a project to prove just how much these subjects can work together to expand our understanding of how art can be used for research purposes in a medical setting. With support from my Life Drawing professor, I was able to create multiple drawings from life and from photographs centered around my grandmother's Alzheimer’s Disease during my frequent visits to her nursing home. …
Breaks In Longitudinal Elastic Fibers Of Human Femoropopliteal Arteries, Elham Zamani
Breaks In Longitudinal Elastic Fibers Of Human Femoropopliteal Arteries, Elham Zamani
UNO Student Research and Creative Activity Fair
Breaks in Longitudinal Elastic Fibers of Human Femoropopliteal Arteries
Elham Zamani1, Majid Jadidi1
1 Department of Biomechanics, University of Nebraska Omaha, Omaha, NE
Introduction: Elastin is a major protein in the body with half-life >50 years. It is thought that elastic fibers are formed before the postnatal period. In the femoropopliteal artery (FPA), the main artery in the leg, longitudinal elastic fibers are present in External Elastic Lamina (EEL). Our team has studied more than 1000 cadaveric human FPA and has noticed that there are big breaks in their longitudinal elastic fibers in some subjects. Our goal in this work …
Analyzing Thoracic Spine And Hip Mobility And The Effects On Kinematics In The Golf Swing And Its Relation To Injury And Performance, Michael Servais
Analyzing Thoracic Spine And Hip Mobility And The Effects On Kinematics In The Golf Swing And Its Relation To Injury And Performance, Michael Servais
UNO Student Research and Creative Activity Fair
Analyzing Thoracic Spine and Hip Mobility and the Effects on Kinematics in the Golf Swing and its Relation to Injury and Performance
Abstract
Low back pain (LBP) and low back injury have been found to be the most common symptom and injury sustained while playing golf (McHardy et al., 2006). Previous research has sought to determine precursors to injury by investigating physical limitations including hip internal rotation deficits. This study aims to build upon previous research by measuring joint mobility and forces placed on the lower back during the golf swing. Specifically, it evaluates active range of motion of both …
Ingredient Classification Using Food Ontology, Ricky Flores
Ingredient Classification Using Food Ontology, Ricky Flores
UNO Student Research and Creative Activity Fair
A food label provides some of the most crucial information for a food product. The food label is a key resource for many health-conscious consumers for understanding ingredients. It is also vital for individuals to avoid food allergens or help patients follow dietary recommendations. While the food labels in the United States are regulated by the Food and Drug Administration (FDA) many labels contain additional information or statements that are not regulated. Moreover, the food label may be complex or contain terminology that the layperson may not understand. Evidence has indicated that consumers often find nutrition labels confusing, especially when …