Shirley Ryan AbilityLab
To determine the effects of 3D isometric movement training in healthy participants and impaired participants due to a stroke.
Researchers have found that neurotypical adults are able to train movement skills when sensory sources, such as proprioception, are altered using isometric conditions and visual feedback in a two-dimensional environment.Building off this knowledge, the investigators plan to apply similar techniques to both neurotypical adults and stroke survivors with impaired movement, but in a three-dimensional environment. The investigators will ask participants to practice a unilateral virtual reality targeted reaching task using a robotic arm in a 3D visual display system mounted over the arm. Participant…
Inclusion criteria, neurotypical participants * 18 years old No history of stroke Ability to provide informed consent . Exclusion criteria, neurotypical participants Severe medical problems (including cardiovascular, orthopedic, or neurological) Medical problems affecting movement, range of motion, strength, or coordination of the upper extremities. Visual deficits that would influence the ability to perform the experiment . This will be assessed using the following assessments: 1. Visual field deficits will be assessed using the BIVABA acuity testing. (cutoff score \> 20/100) 2. De…
The intervention of "Isometric Reaching" is the process of restricting the participant's hand movement in place, while using the forces they apply to the robot handle to drive a reaching arm simulation
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