Multi-choice problem: Continue writing the next sentence in this paragraph:

How to maintain a lean physique
Weigh yourself regularly.
There are a variety of ways to maintain a lean physique. However, self-weighing on a regular basis is one of the most important.

Possible answers:
I. Many studies have shown that getting on the scale at least once a week is important for weight maintenance long-term. Those who were more regular with weigh-ins had an easier time maintaining their weight and could maintain it long-term..
II. Measuring yourself every day or two on a regular basis is perfectly fine. That is to say, for each week that you weigh yourself, stick to a reasonable weight..
III. You should do regular, consistent weigh ups (ipt) twice each week. Consider putting a scale on your chest instead of your stomach to get an idea of how much weight you need to lose..
IV. Spend 30 to 60 minutes weighing yourself each day and then consider consulting a registered dietitian. This can help your weight change gradually rather than indefinitely..
I.