Final answer:
The ACL is a ligament in the knee which can be injured while playing basketball.
Step-by-step explanation:
The ACL (Anterior Cruciate Ligament) is a ligament in the knee which can be injured while playing basketball. It is one of the main ligaments responsible for stabilizing the knee joint. When the ACL is torn or sprained, it can cause pain, swelling, and instability in the knee.
Learn more about ACL injury