The Effects of Accelerometer Triggered Functional Electrical Stimulation on Post-Stroke Hemiplegic Shoulder Subluxation

Inclusion Criteria: 1. Within 3months after stroke 2. 1st stroke patients with hemiplegic shoulder subluxation which is measured above one finger breadth by physical examination 3. Shoulder abduction strength is above P- grade (MMT) 4. Male or female, ≥ 20 years of age 5. Written informed consent has beed obtained 6. Patients who understand purpose of this study and conform with intervention process Exclusion Criteria: 1. Quadriplegia or double hemiplegia 2. History of injury, surgery, etc. of U/E and upper chest area 3. person who implanted metalic device(ex. pacemaker, vagus nerve stimulator) 4. patients who have lower motor neuron lesion 5. person who have difficulty using electrode due to skin problem such as skin ulcer or open wound 6. who have seizure or epilepsy history 7. Female who are pregnant