ACL Tear Symptoms: Signs, Treatment And When Surgery Is Needed You twist your knee while playing football, running, or even stepping off a curb. You hear a "pop." Your knee swells and feels weak. Many people ignore this and hope it will heal on its own. But these could https://app.notion.com/p/ACL-Tear-Symptoms-When-Do-You-Need-Surgery-40a3e2528ece80589950e1ea9dcfd1b0?source=copy_link