Final answer:
The prognosis of walking velocity is determined by age and gender, body mass index, and overall health status. These factors together influence muscle strength, joint flexibility, and the presence of any chronic conditions affecting mobility.
Step-by-step explanation:
The factors that help determine the prognosis of walking velocity include a combination of age and gender, body mass index (BMI), and overall health status. Age and gender can influence physical capabilities, including muscle strength, joint flexibility, and endurance, which are important for walking. BMI is significant because it impacts the physical stress on weight-bearing joints, and a higher BMI can often lead to decreased mobility. Lastly, the overall health status, which encompasses a wide range of factors including the presence of chronic diseases, injuries, or disabilities, directly affects an individual's ability to walk and maintain certain speeds.