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Joshua S. Rolock, PhD
Research Health Scientist, Jesse Brown VA Medical Center
Research Associate Professor, Northwestern University Feinberg 
    School of Medicine
Curriculum Vitae | (312) 238-6500 | 

Research Interests: Biomechanics, computer-aided design and
manufacturing technologies

Stefania Fatone, PhD
Research Assistant Professor, Prosthetist/Orthotist
Department of Physical Medicine and Rehabilitation
Curriculum Vitae | 312-238-6538 |

Research Interests: Functional evaluation of lower limb prostheses and orthoses, evaluation of human locomotion, prosthetic management of congenital limb deficiencies

Andrew H. Hansen, PhD
Research Assistant Professor
Department of Physical Medicine and Rehabilitation
Curriculum Vitae | (312) 238-6516 | 

Research Interests:  Able-bodied and prosthetic ankle-foot biomechanics, lower-limb alignment, modeling walking, design of low-cost prosthetic feet

Margrit R. Meier, PhD, CPO
Adjunct Faculty
Department of Physical Medicine and Rehabilitation
Curriculum Vitae | (312) 238-6539 |

Research Interest: Prosthetic feet and prosthetic construction concepts for landmine survivors in low-income countries; Development of a prosthetic foot for low-income countries: Shape& Roll Prosthetic Foot; Development of education material in prosthetics for persons in low-income countries; Alignment principles of below-knee prosthesis; Clinical evaluation of prosthetic components (prosthetic knee joints, gel-liner, prosthetic socket suspension systems); Gait analysis

Richard F. ff. Weir, PhD
Research Scientist, VA Chicago Health Care System
Research Assistant Professor, Department of Physical Medicine and
    Rehabilitation, and Biomedical Engineering Department 
Biomedical Engineer, Prosthetics Research Laboratory and Rehabilitation 
    Engineering Research Program
Curriculum Vitae | 1+ (312) 238-6512 | 

Research Interests: My research interests are in the fields of neural engineering, biomechatronics and rehabilitation, specifically, implantable bioelectric sensors, artificial arm/hand systems, manipulators, robotics and their control. The primary focus of this research is the design of upper-limb prosthetic components and their associated control. The current focus of this work is the development of externally-powered partial hand prostheses for clinical use and the development of clinically viable multiple degree-of-freedom externally-powered prosthetic hands for persons with amputations proximal to the wrist. We are also developing a powered 2 DOF prosthetic wrist. In the area of upper-limb control my research is directed towards the long-term goal of achieving meaningful, simultaneous, multi-functional, control of prosthetic arms and/or hands. This work is currently directed at developing physiologically appropriate microprocessor based controllers based on "BIONR-like" implantable myoelectric sensors (IMES) for multiple degree-of-freedom prosthetic arm control. Work is also ongoing in the area of series elastic, or compliant, motors/drives/actuators for use in prosthetic components in particular a compliant elbow and wrist. In addition I have a project to develop a powered humeral rotator for upper-limb prosthetic applications.