Please choose the correct ending to complete the given sentence: Holidays and Traditions: [header] How to prevent runner's knee [title] Get your gait and run style analyzed. [step] Everyone has a specific running style and gait. Getting these analyzed can help you understand what you need to change or monitor when you're running.

Ending1: [substeps] Start with your fundamental running style, then try different variations. For example, try high-intensity running, intense sprinting, and walking it out. Ending2: Problems with your gait may include : [substeps] Pain: fatigue from running and/or the inability to keep up with the pace at which you're running. A sore joint: pelvic pain from runner's knee. Ending3: [substeps] For example, if you tend to bump into more people, you may want to consider changing your gait as you walk. However, this may be impossible or frustrating in comparison to how you would normally do without stumbling along the track or tripping. Ending4: [substeps] You can see a running specialist or doctor to get your gait analyzed. They'll watch you run and use specialty video to analyze where your foot falls on the ground and how it falls in relationship to the rest of your body.

Answer format: ending1/ending2/ending3/ending4