Inclusion Criteria- Healthy Adults: 40-100 years old, able to follow 2-step commands, able to comply with experimental protocol, living in a home setting, full active range of motion (AROM) in both shoulders and elbows for their age group.
- Individuals Post-stroke: Able to follow 2-step commands, 40 - 100 years old, community dwelling with or without assistance, no upper extremity (UE) injury within the last 3 months, at least 30 degrees of flexion AROM (with or without assistance) and PROM in shoulder and elbow in or out of synergy, intact superficial light touch sensation in both UEs, and at least 6 months post ischemic or hemorrhagic stroke that is either cortical, subcortical or in the cerebellum. It does not need to be their first and only stroke.
Exclusion Criteria- Healthy Adults: Injury of either UE within the last 3 months and unable to follow commands related to the accelerometer use/protocol.
- Individuals Post-stroke: Unable to follow 2 step commands, inability to adhere to study requirements, any neurological diagnosis other than stroke (i.e. Parkinson's Disease, Multiple Sclerosis, etc.), and aphasia limiting their ability to complete the MoCA and Stroke Impact Scale (SIS) questions.