A wide grip pushup is the same exact thing as a normal Push Up except instead of your hands being shoulder width apart you bring them out further. By doing this you put more tension on your chest compared to your triceps. Making this a great chest movement!
Find an elevated surface such as a bench, stairs or table. The higher the surface the easier it will make this movement. If you are not sure what you can do, we suggest using the highest surface you can find and then going to lower surfaces if it is too