Two stroke patients regained control of a disabled arm and hand after researchers delivered electrical stimulation to their spines, paving the way toward a medical device that could aid movement.
University of Pittsburgh kinematic occupational therapist Amy Boos and Carnegie Mellon University graduate student Nikhil Verma connect muscle activation sensors on Rendulic.toggle captionUniversity of Pittsburgh kinematic occupational therapist Amy Boos and Carnegie Mellon University graduate student Nikhil Verma connect muscle activation sensors on Rendulic.
A close-up of a stimulating electrode containing eight stimulation contacts. Gerszten explains the placement of stimulating electrodes while holding one in his hand.toggle caption A close-up of a stimulating electrode containing eight stimulation contacts. Gerszten explains the placement of stimulating electrodes while holding one in his hand.
University of Pittsburgh graduate student Erynn Sorensen observes research participant Rendulic during the isometric torque test used to measure arm strength.toggle captionUniversity of Pittsburgh graduate student Erynn Sorensen observes research participant Rendulic during the isometric torque test used to measure arm strength.Rendulic was the first person they treated. A surgeon used a large needle to place the electrodes in her spine."I had wires hanging out of my back," she says.
"They start by opening the hand and by the end of the four weeks they can do all sorts of things," Capogrosso says.
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