Robert S. Armiger
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View article: Extended home use of an advanced osseointegrated prosthetic arm improves function, performance, and control efficiency
Extended home use of an advanced osseointegrated prosthetic arm improves function, performance, and control efficiency Open
Objective.Full restoration of arm function using a prosthesis remains a grand challenge; however, advances in robotic hardware, surgical interventions, and machine learning are bringing seamless human-machine interfacing closer to r…
View article: Clinical evaluation of the revolutionizing prosthetics modular prosthetic limb system for upper extremity amputees
Clinical evaluation of the revolutionizing prosthetics modular prosthetic limb system for upper extremity amputees Open
Individuals with upper extremity (UE) amputation abandon prostheses due to challenges with significant device weight—particularly among myoelectric prostheses—and limited device dexterity, durability, and reliability among both myoelectric…
View article: Sensory stimulation enhances phantom limb perception and movement decoding
Sensory stimulation enhances phantom limb perception and movement decoding Open
This work demonstrates that phantom limb perception influences prosthesis control and can benefit from targeted nerve stimulation. These findings have implications for improving prosthesis usability and function due to a heightened sense o…
View article: Phantom hand activation during physical touch and targeted transcutaneous electrical nerve stimulation
Phantom hand activation during physical touch and targeted transcutaneous electrical nerve stimulation Open
Restoring the sense of touch is a critical component for a closed-loop prosthetic limb. In an upper limb amputee, we explored regions on the residual limb that elicited sensory activation of the phantom hand through either physical touch o…
View article: Sensory stimulation enhances phantom limb perception and movement decoding
Sensory stimulation enhances phantom limb perception and movement decoding Open
Objective A major challenge for controlling a prosthetic arm is communication between the device and the user’s phantom limb. We show the ability to enhance amputees’ phantom limb perception and improve movement decoding through targeted t…
View article: Mechanism of posterior malleolar fracture of the ankle
Mechanism of posterior malleolar fracture of the ankle Open
Objectives: Ankle fracture treatment involves reduction of the bone fragments and stabilization of the joint by reversing the mechanics of injury. For posterior malleolar fracture however, the true mechanism is not understood, leading to a…
View article: Virtual Integration Environment as an Advanced Prosthetic Limb Training Platform
Virtual Integration Environment as an Advanced Prosthetic Limb Training Platform Open
Background: Despite advances in prosthetic development and neurorehabilitation, individuals with upper extremity (UE) loss continue to face functional and psychosocial challenges following amputation. Recent advanced myoelectric pro…
View article: Clinical Trial of the Virtual Integration Environment to Treat Phantom Limb Pain With Upper Extremity Amputation
Clinical Trial of the Virtual Integration Environment to Treat Phantom Limb Pain With Upper Extremity Amputation Open
Background: Phantom limb pain (PLP) is commonly seen following upper extremity (UE) amputation. Use of both mirror therapy, which utilizes limb reflection in a mirror, and virtual reality therapy, which utilizes computer limb simula…
View article: Initial Clinical Evaluation of the Modular Prosthetic Limb
Initial Clinical Evaluation of the Modular Prosthetic Limb Open
The Modular Prosthetic Limb (MPL) was examined for its feasibility and usability as an advanced, dexterous upper extremity prosthesis with surface electromyography (sEMG) control in with two individuals with below-elbow amputations. Compar…
View article: Targeted transcutaneous electrical nerve stimulation for phantom limb sensory feedback
Targeted transcutaneous electrical nerve stimulation for phantom limb sensory feedback Open
In this work, we investigated the use of noninvasive, targeted transcutaneous electrical nerve stimulation (TENS) of peripheral nerves to provide sensory feedback to two amputees, one with targeted sensory reinnervation (TSR) and one witho…
View article: Warrior Injury Assessment Manikin (WIAMan) Lumbar Spine Model Validation: Development, Testing, and Analysis of Physical and Computational Models of the WIAMan Lumbar Spine Materials Demonstrator
Warrior Injury Assessment Manikin (WIAMan) Lumbar Spine Model Validation: Development, Testing, and Analysis of Physical and Computational Models of the WIAMan Lumbar Spine Materials Demonstrator Open
This report describes the development, testing, and finite element model (FEM) of the Warrior Injury Assessment Manikin (WIAMan) Anthropomorphic Test Device (ATD) Lumbar Spine Materials Demonstrator.A primary objective of this work was to …
View article: Clinical evaluation of a biomechanical guidance system for periacetabular osteotomy
Clinical evaluation of a biomechanical guidance system for periacetabular osteotomy Open
View article: Individual finger control of a modular prosthetic limb using high-density electrocorticography in a human subject
Individual finger control of a modular prosthetic limb using high-density electrocorticography in a human subject Open
Our results demonstrate the ability of ECoG-based BMIs to leverage the native functional anatomy of sensorimotor cortical populations to immediately control individual finger movements in real time.