Please choose the correct ending to complete the given sentence: Work World: [header] How to identify a stress fracture [title] Take notice of an intense or worsening pain. [step] Pain in the affected area is the most common symptom of stress fracture, especially pain that intensifies with activity. Although pain from a stress fracture can be barely noticeable at first, it may become worse over time.

Ending1: The pain goes through the entire body, and is usually stabbing or throbbing. [substeps] You may also notice pain that persists longer than an hour or two. Ending2: [substeps] The pain may be sharp, pulsating and excruciating. [title] Keep an eye out for inflammation, swelling, or bruising. Ending3: [substeps] At first, you may notice intense pain radiating from your shoulder or hips. Although the pain is thin and infrequent, it occurs all over the body. Ending4: [substeps] Other symptoms of stress fracture include intense feelings of hopelessness, rapid heart rate, heavy breathing, nausea, dizziness, neck/joint aches, and acute discomfort at the site of injury. However, decreased blood circulation caused by the wound has not been a sign of stress fracture.

Answer format: ending1/ending2/ending3/ending4