Mark turned quickly, pivoting on his right foot, as he played basketball. He felt a sudden, sharp pain in his knee and found that his leg wasn't holding it well. When he tried to leave the court, his knee wobbled sideways. Based on this evidence, which of the following is he most likely to have hurt? (5 points) O The femur has been broken and can no longer maintain adequate muscle tension to support the weight of it. He has torn the cartilage that cushions the inside of his knee, keeping it aligned with the bones in his leg. OR You have injured one of the tendons or ligaments that help support your knee by connecting it to the surrounding muscle and bone. The quadriceps muscle that is responsible for moving the leg up and down while walking or running was injured.