Homeostasis examples include the human body temperature, the glucose level and the ability of the lymphatic system to maintain homeostasis. Homeostasis refers to the ability of an organism or environment to maintain stability in spite of changes.
Cam walkers are often used following foot or ankle surgery or after an injury. These devices help protect the injured area. They provide relative immobilization. They also allow for some limited walking (if this is indicated), and will serve to disperse the force of walking more evenly up the leg, due to the rigid sole and the rounded (rocker-bottom contour) of the sole.
Walker (mobility) Front-wheeled walker. A walker or walking frame is a tool for disabled or elderly people who need additional support to maintain balance or stability while walking. In the United Kingdom, a common equivalent term for a walker is Zimmer frame, a genericised trademark from Zimmer Holdings, a major manufacturer of such devices and joint replacement parts.