Department of health statistics shows that there are at least two million new wheelchair users every year in the United States. The number has continued to grow for several reasons. One is the improved reporting and tracking of cases of disability, which has led to more comprehensive data. Secondly, more seniors are now using wheelchairs as mobility aids. The problem is that most wheelchair users and caregivers have very little information about the various components of this crucial mobility assistant. Understanding the overall structure and working of a wheelchair is very important. But it is more important to know the …