Final answer:
Guidance to Mel should be based on the 2018 Physical Activity Guidelines, acknowledging current activity levels and suggesting increases in moderate-intensity activity like swimming .
Step-by-step explanation:
Based on the 2018 Physical Activity Guidelines for Americans, we can should aim for at least 150 to 300 minutes per week of moderate-intensity let's address the options presented to Mel:
- Mel, being relatively inactive is unhealthy - Inactivity can lead to health risks; however, this statement does not provide a constructive or motivational message.
- Mel, it is great you are getting some physical activity by playing with your grandchildren and friends - This is an encouraging statement that recognizes Mel's current level of activity and can serve as a starting point for further improvements.
- Mel, you should be getting more moderate-intensity activity to help with your prediabetes and weight - This option is an actionable recommendation that aligns with the guidelines to improve health and specifically address Mel's condition.
- swimming is a great activity to increase your moderate-intensity activity because it is easy on the joints - This is an excellent specific suggestion for a low-impact, moderate-intensity physical activity that could fit Mel's needs. Swimming would be particularly beneficial for joint health and can also help increase aerobic capacity.
Furthermore, Mel might start with shorter periods of activity and gradually increase the duration to reach the guidelines' recommendation, appreciating that even moderate increases.