The hottest trend in mobility right now is not a smart phone or wireless gadget. The mobility that’s making health headlines is the kind that let us do what we need to do: walk and move. Mobility is essential for getting through the day, whether you need to walk across a room to the bathroom or kitchen, get out of bed or a chair, or walk through a grocery store. Loss of mobility, which is common among older adults, has profound social, psychological, and physical consequences. The cascade of negative effects that comes with immobility can often be prevented or limited. Two questions can help determine if someone is having mobility issues.