Inclusion Criteria:1) patients with ischemic stroke; 2) Trunk Control Test 70-100 points; 3) subjects who were in a state allowing movements of the upper extremity (FMA-UE 40-66 motor function points); 4) muscle tension (MAS 0 -1+); 5) no severe deficits in communication, memory, or understanding; 6) at least 18 years of age.  -  Exclusion Criteria:1) stroke up to four weeks after the episode, 2) another neurological disease entity 3) lack of trunk stability, 4) no wrist and hand movement, 5) muscle tension (˃2 MAS), 6) high or very low blood pressure, 7) severe deficits in communication, memory, or understanding; dizziness, the malaise of the respondents.  Control group inclusion criteria: 1) the control group consisted of healthy subjects, free from the upper extremity motor coordination disorders; 2) at least 18 years of age.  Control group exclusion criteria: 1) a history of neurologic or musculoskeletal disorders such as carpal tunnel syndrome, tendonitis, stroke, head injury, or other conditions that could affect their ability to active movement and grip hand; 2) severe deficits in communication, memory, or understanding.  -