Final answer:
PWB stands for Partial Weight-Bearing, a medical term referring to the restriction of weight placed on an injured limb during healing.
Step-by-step explanation:
The abbreviation PWB stands for Partial Weight-Bearing. In a medical context, this refers to a situation where a patient is advised to place only a portion of their weight on an injured or operated limb during the healing process. Health professionals often prescribe weight-bearing restrictions to ensure proper healing and to prevent re-injury. For example, after surgery on a broken leg, a doctor may instruct the patient to perform PWB, meaning the patient can only put a percentage of their body weight on the leg as guided by physical therapy protocols.