As developers of prosthetic technology, we’re dedicated to understanding the challenges that people with limb loss face, not just after amp…
Amputation, muscle weakness, and nerve damage can make it difficult to perform simple daily tasks. In this project, we are developing a mi…
Acquisition of surface electromyography (sEMG) from a person with an amputated lower extremity (LE) during prosthesis-assisted walking rema…
The Biomechatronics group recently pioneered a new type of amputation surgery, the AMI amputation, that allows patients to use a bionic pro…
During the gait cycle, the human ankle complex serves as a primary power generator while simultaneously stabilizing the entire limb. These …
Biplanar fluoroscopy (BiFlo) enables three-dimensional bone kinematics analysis using x-ray videos and bone geometry from segmented CT. Hin…
Three-dimensional Digital Image Correlation (3D-DIC) is a non-contact optical-numerical technique for evaluating the dynamic mechanica…
Humans can accurately sense the position, speed, and torque of their limbs, even with their eyes shut. This sense, known as proprioception,…
Nerve-Muscle Graft Chamber and micro-channel arrays tor interface to peripheral nerves for prosthesis control. This research effort co…
Recent advancements in orthopedic implants have made way for a new generation of bionic limbs that attach directly to the skeleton. Leverag…
Optogenetic techniques have recently been applied to peripheral nerves as a scientific tool with the translatable goal…
Lower extremity amputation leads to limitations of biological function of individuals, which leads to challenges remaining physically activ…
Local changes in the volume, shape, and mechanical properties of the residual limb can be caused by adjacent joint motion, muscle activatio…
Lower-extremity amputation surgery has not seen significant change since the Civil War. This research is focused on the development of nove…
This research track focuses on the use of computational (and experimental) techniques to understand the biomechanical behavior of human tis…
In the United States, there are an estimated 1.7 million people living with amputation, with that number expected to double by 2050. Compl…
Although there have been great advances in the control of lower extremity prostheses, transitioning between terrains such as ramps or stair…
This project aims to enable fast prototyping of a multi-axis and multi-joint active prosthesis by developing a new modular electronics syst…
This project focuses on giving transtibial amputees volitional control over their prostheses by combining electromyographic (EMG) activity …
Recent advances in artificial limbs have resulted in the provision of powered ankle and knee function for lower extremity amputees and powe…
Lower-extremity amputees face a series of potentially serious post-operative complications. Among these are increased risk of further amput…
This project aims to build a powerful system as a scientific tool for bridging the gap in the literature by determining the dynamic biomech…
A better understanding of the biomechanics of human tissue allows for better attachment of load-bearing objects to people. Think of shoes, …
Complications of prosthetic leg use in persons with lower extremity amputation often occur at the prosthetic socket, and includes delayed w…
Current unmotorized prostheses do not provide adequate energy return during late stance to improve level-ground locomotion. Robotic prosthe…
Augmentation of human locomotion has proved an elusive goal. Natural human walking is extremely efficient, and the complex articulation of …
We are studying the mechanical behavior of leg muscles and tendons during human walking in order to motivate the design of power-efficient …
Using biologically inspired design principles, a biomimetic robotic knee prosthesis is proposed that uses a clutchable series-elastic actua…
Human walking neuromechanical models show how each muscle works during normal, level-ground walking. They are mainly modeled with clutches …
Motivated by applications in rehabilitation and robotics, we are developing methodologies to control muscle-actuated systems via electrical…
The human ankle provides a significant amount of net positive work during the stance period of walking, especially at moderate to fast walk…