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Researcher to help stroke victims regain arm use
by George Stamatis and Andrea Barkoukis, medical public affairs intern

Janis J. Daly, adjunct associate professor in the department of neurology at CWRU's School of Medicine, was recently awarded a grant of $997,000 (2002-2005) by the Department of Veterans Affairs (Office of Rehabilitation Research and Development) to develop innovative motor learning interventions that are effective following stroke.

Janis J. Daly

Daly's motor learning laboratory is located in the research service, Cleveland Louis Stokes Veterans Affairs Medical Center.

Her research will include investigation of patient response to applied technologies to help stroke victims regain use of their arms. This will include robotics and functional neuromuscular stimulation (FNS), an electrical signal that can directly activate a muscle (within an individual's comfort level). Research also will be done through the use of a robot that cradles an individual's forearm and hand. The patient will then practice coordination while the robot assists, allows or resists a movement.

Currently, Daly researches technology to help people walk following a stroke. For Daly's FNS gait (walk) system, the timing of eight channels of stimulation is coordinated to produce the muscle activations that occur during walking for some muscles at the hip, knee and ankle joints. FNS is used to strengthen and condition the paretic muscles and to re-train the coordination of movements. Her current research program also includes funded studies investigating the effectiveness of weight-supported treadmill training and FNS for gait training following stroke.

For her new study, Daly said she hopes to enroll 66 participants over a three-year period.

She collaborates with Robert L. Ruff, who is a co-principal investigator in these studies. Ruff is vice chairman of the department of neurology at the CWRU School of Medicine, chief of neurology service at the VA Medical Center and director of the spinal cord injury/rehabilitation care line. Daly also collaborates with Neville Hogan, an engineer who is the director of the Newman Laboratory for Biomechanics and Human Rehabilitation at the Massachusetts Institute of Technology. Hogan designed the robot that Daly's study will use.

 

 

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