Wearable Airbag Technology to Mitigate Falls in Individuals With High Fall Risk

INCLUSION AND EXCLUSION CRITERIA All potential subjects will be evaluated by research staff in order to match them to the inclusion and exclusion criteria that has been established - see below: Inclusion Criteria - Able bodied Subjects: * Healthy, able-bodied subject * Age constrained from 18-70 years old * No injury to either upper or lower extremity or history of back pain * English speaking. Exlusion Criteria - Able bodied Subjects: * Waist circumference greater than 125 cm * Pregnant women (status determined by self-reporting) * Co-morbidity that interferes with the study (e.g. significant arthritis or joint problems, history of back injury, neuromuscular disorders, stroke, epilepsy, etc.) * Individuals currently on anti-coagulants. * Inactive, physically unfit * Severe Osteoporosis (status determined by self-reporting) * Non-English speaking * Cognitive deficits or visual impairments (MMSE score \<17) that would impair their ability to give informed consent or impair their ability to follow simple instructions during the experiments Inclusion Criteria - Fall Risk Subjects: * Ages between 18-85 years old * Individuals diagnosed with a Stroke (\> 6 months post), Parkinson's disease, aging elderly (ages 60-85)or lower-limb amputee with at least one self-reported fall in the last six months. * Able to sit unsupported, walk at least with an assistive device and be able to follow a three-step command. * For individuals with Parkinson's disease, Scoring 1 or higher on qu…