Accessing Mobility Using Wearable Sensors

Inclusion Criteria: * Any individual 18 years old or 65+ older is eligible to participate. * Must be diagnosed with a chronic illness such as COPD or CHF. * Should be refereed to one of the tele-rehabilitation program offered at VA-Houston. The investigators will be enrolling veteran subjects Exclusion Criteria: * Non-ambulatory (unable to walk with or without assistance a distance of at least 10 meter). * Unlikely to fully comply with the protocol (e.g., long-distance travel if multiple follow-up visits are required) * Unwilling to provide informed consent. * Severe visual and hearing problems who may not be able to interact with tele-rehabilitation. * Unstable medical region (those who may change medication over next 12 weeks). * Severe cognitive impairment and psychiatric problems who may not be able to follow tele-rehabilitation instructions based on judgement of clinical investigators. * Participating in another active intervention that may affect cognitive-motor performance, and those who do not have capacity to consent. The investigators will not exclude patients with internal devices such as a deep brain stimulator or electronic devices for pain management, but the investigators will not be placing Bioharness device in people with such conditions.