Discrepancy between iwatch daily fitness time/calories and exercise time/calories

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Fitness trackers often rely on algorithms and motion sensors, which can be less precise than simple addition.

There can be several reasons for this:

• Sensor limitations: Accelerometers and gyroscopes, commonly used in fitness trackers, may not perfectly capture all your movements.
• Activity recognition: The app might need to interpret your movement data to distinguish between walking, running, swimming, etc. This interpretation can introduce some error.
• Energy expenditure estimation: The app estimates calorie burn based on factors like heart rate, weight, and activity intensity. These estimations can vary depending on individual fitness levels.

Even though the app doesn't display a simple sum of the times and calories, it likely uses those values as a starting point for its calculations. The final numbers (61 min 23 sec, 533 Cal) might be a more accurate representation of your total activity based on the additional sensor data and algorithms.

Here's what you can do:

• Compare trends, not exact numbers: Track your overall progress over time rather than focusing on individual workouts.
• Consider using a heart rate monitor: Heart rate data can improve calorie burn estimates.

Remember, the most important thing is to be active and consistent.

Resting Energy

This is an estimate of the energy your body uses each day while minimally active. Additional physical activity requires more energy over and above Resting Energy (see Active Energy).

Active Energy

This is an estimate of energy burned over and above your Resting Energy use (Resting Energy). Active Energy includes activities such as strolling, pushing your wheelchair, and household chores, as well as exercises such as cycling and dancing. Your total energy use is the sum of your Resting Energy and Active Energy. 

Here's why your "Active Energy" might be lower than "Move":

1. Workout Tracking: If your Apple Watch wasn't actively recording your workout (due to being locked or not recognizing the activity type), the "Move" wouldn't reflect those calories. However, the imported data from Strava might still show up in the "Workouts" section.
2. Active Energy vs. Total Calories: "Active Energy" doesn't directly translate to total calories burned, as it includes BMR. So, even though you burned calories during the workout, the "Active Energy" might not reflect the full amount if it's already accounted for in your BMR.