Gait Rehabilitation Research Laboratory

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GRAIL

BMES 2020: Impact of Asymmetrical Muscle Fatigue on Gait among College Students

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Impact of Asymmetrical Muscle Fatigue on Gait among College Students Tiffany Lubrino1, Armond Gray1, Shannon Toy1, Christopher De Leon1, Mirai Manatad1, Nathaniel Addonizio1, Lexi Nehls1, Amir Memarian1 ,Christopher Hoang1&2, Michael Shiraishi1, Rahul Soangra1&3 1Crean College of Health and Behavioral Sciences,… Continue Reading →

BMES 2020: Effects of Fatigue on Motor Unit Activation

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Effects of Fatigue on Motor Unit Activation Shannon Toy1, Christopher De Leon1, Mirai Manatad1, Tiffany Lubrino1, Armond Gray1, Christopher Hoang1&2, Michael Shiraishi1, Rahul Soangra1&3 1Crean College of Health and Behavioral Sciences, Chapman University, Orange, CA 92866 2Schmid College of Science… Continue Reading →

Spring 2020 – Quantifying muscle fatigue and gait asymmetry of college athletes using motor units

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This past spring 2020, student researchers (Shannon Toy, Tiffany Lubrino, Armond Gray, CJ De Leon, Amir Memarian, and Mimi Manatad) explored the effects of single leg fatigue on gait and balance in an original research project. Despite COVID-19 ending the… Continue Reading →

Crean College Research Night 2019

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Thank you to all at the Crean College Research Night for the great time! It was wonderful to meet and greet everyone who is passionate about science. Tonight was the first time Christopher Hoang and Michael Shiraishi unveiled their project… Continue Reading →

DPT Students – Stimuli that Affect Gait Parameters

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For these experiments, a biomechanics class of 20 DPT students volunteered to conduct their own tests on multiple factors that affect gait parameters such as stride length and sway. Dividing themselves into 3 groups of 10, the students used 3… Continue Reading →

Welcome to our Summer 2019 Interns!

Team: This year we have 5 interns joining us: Norah Nyangau, Samuel Chan, Nihar Nanjappa, Michael Shiraishi, Mckyla Grant-Beuttler. They bring various skills and interests to the lab. For example, Norah enjoys connecting with others and working in teams, Samuel… Continue Reading →

Engineering Therapy to assist Toe-Walkers

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Toe walking is a style of walking in which a child walks on the balls of his/her feet without heels touching the ground. ┬áIn our lab, we are designing an intervention technique that promotes plantar extension in children. In the… Continue Reading →

Fall Risk Assessment in Stroke Patients

Here we have Christopher Hoang and Kenna Dougherty working with stroke patients in a study designed to accurately assess fall risk using functional analysis of gait and postural stability parameters. Our stroke patients are affected by varying degrees of hemiparesis,… Continue Reading →

Bed Sore Sensors: PCBs and Enclosures

I spent the week 3D printing these enclosures for the bed sensor electronics and LCD display. Sleeping in one position too long causes bedsores due to extended applied pressure on local vasculature. We hope this device can be developed to… Continue Reading →

Device for the Improvement of Neuronal Feedback: Sub-Threshold Tactors

This is a quick instructional video our research associate, Henry Do, made to help doctor of physical therapy (DPT) students learn about the device they’ll be using for data collection for their capstone studies. Good luck you guys!

Exploring Servo Motors for use in Rehab Engineering

Learning electronics is a test of patience. Plenty of reading and plenty of tinkering. Our team is constantly adding new technologies and skills to our tool belt. Here is a comedic video of our lab research associate, Henry Do, stumbling… Continue Reading →

Fall Risk Assessment in the Elderly using GRAIL-based Sensory Perturbation

Harbir Bhatti presents his research involving Gait Real-Time Analysis Interactive Lab (GRAIL) and fall risk assessment in elderly people. Using sensory perturbations and gait parameters analysis, Harbir creates a model assessing fall risk.

Building a Platform for the GRAIL

Chris Hoang is a whiz at constructing things. He built this removable platform for our GRAIL system for an upcoming study (more on this soon). When designing the platform, Chris had to consider the multiple factors from material properties to… Continue Reading →

Presenting our research | Crean College of Health and Behavioral Sciences

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Here is Henry Do (above) and Michael Pollind (above) presenting their research on the use of wearable sensors in fall risk assessment in older adults. Here is Sharon Kim presenting her work with machine learning/deep learning algorithms and┬áidiopathic toe-walking in… Continue Reading →

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