Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to avoid overtraining [title] Set clear goals for a safe program. [step] By setting up an effective training schedule, you can workout responsibly and effectively. Making a schedule and sticking to it will help you to avoid over-training.

Ending1: [substeps] Break goals down into parts to report and remain on track: run, work out, run at your own pace. Spend a few nights per week practicing exercises. Ending2: Before you create a schedule, you need to clarify your fitness goals. Make sure to include " train safely and responsibly " as a goal. Ending3: [substeps] It's important to be consistent about the goals you set out. For example, continue to associate weeks with cardio and to follow track on your weekly measure. Ending4: Pay attention to your workout goals to help you stay motivated and have fun. [substeps] For example, if you want to learn to hit the gym, do so gradually, even at your destination.

Answer format: ending1/ending2/ending3/ending4