Final answer:
Putting on protective gear is not a way to prevent injuries before physical activity. Stretching, staying hydrated, and warming up are important preventive measures.
Step-by-step explanation:
Out of the provided options, putting on protective gear is NOT a way to prevent injuries before engaging in a physical activity. While it is important to wear appropriate protective gear during certain activities, such as helmets while biking or skating, it does not directly prevent injuries before engaging in the activity. On the other hand, stretching, staying hydrated, and warming up are all ways to prevent injuries before physical activity.
Learn more about Preventing injuries before physical activity