Please choose the correct ending to complete the given sentence: Health: [header] How to recover from a hamstring injury [title] Visit your doctor if the injury is severe. [step] Hamstring injuries are often minor, but they can be very serious. Sometimes the muscle tears away from the bone.

Ending1: This can lead to staples dislocations and broken bones. Talk to your doctor before you exercise for signs of damage : [substeps] Blood in the urine: your urine could be infected with bacteria or cause unnecessary pressure to the affected area. Ending2: If the damage appears to be severe, that's a sign to get medical attention. [substeps] If the injury is spreading to specific parts of the tissue in the leg, he will have to provide you with an iv needle or x-rays to prevent it from spreading to other parts of the body. Ending3: You may have muscle that is simply no longer there or that is coming back. [substeps] If your injury is a muscle fracture, such as a sprain or fracture in the knee, you are at greater risk for complications. Ending4: Your doctor can make the best determination about your injury and provide you with a treatment plan. [substeps] See your doctor immediately if you hear tearing, experience extreme pain and swelling, or see bruising around the area.

Answer format: ending1/ending2/ending3/ending4