30.You are called to a 16-year-old male with pain over the t…

30.You are called to a 16-year-old male with pain over the top of his right forearm. He explains that he was skateboarding and hit his arm on a parked car’s mirror. The arm appears swollen and black and blue. There is no deformity to the limb and/or open injury. Which of the following best describes this injury?