Please choose the correct ending to complete the given sentence: Health: [header] How to stay fit after 50 [title] Join a gym. [step] When you're over 50, it becomes more important to ease into new physical activities. Your body simply can't handle abrupt changes and extreme activities in the way that it used to.

Ending1: As such, you'll need to consider joining a gym that gives you a lot of support. [substeps] To join a gym : [substeps] Start a workouts buddy (a friend or a family member) who may be able to support you during the initial workouts. Ending2: Getting fit can be tricky, especially if you recently accomplished a hundred or more workouts. In fact, studies have shown there is no way to slough with gaining a large amount of weight or feeling exhausted just a day after finishing a workout. Ending3: Identify the key lifestyle changes that you want to push through and go for them. Think back to what you'll enjoy in your new physical activity regimen, and apply it consistently in the rest of your life. Ending4: Joining a gym is a great way to start a new exercise program because you'll have access to a network of professionals. Look for a gym that offers a free personal training session and health consultation for new members.

Answer format: ending1/ending2/ending3/ending4