What does a power forward do?

"What do Blake Griffin and Tim Duncan have in common? They're both star power forwards in the NBA. Power forwards have the strength and skills needed to prevent other teams from scoring and making big plays to help their team score. These strong basketball players are known for their big dunks and defensive plays. Readers discover these facts and many more about power forwards through engaging main text and fun fact boxes. Full-color photographs of power forwards in action show readers how the strategies they're learning with each turn of the page can lead to success on the basketball court"--Provided by the publisher.