When comparing the calorie and fat burn of the rowing machine, StairMaster, Jacob's Ladder, and stationary bike, here’s a breakdown based on available sources:

1. Rowing Machine: A 150-pound person using a rowing machine can burn between 10 to 12 calories per minute, translating to approximately 600 to 720 calories in an hour. This makes rowing an excellent choice for overall calorie burning and fat loss. For detailed insights, see Barbells Abroad.

2. StairMaster: This machine has been shown to burn a significant number of calories, often comparable to or slightly less than the rowing machine. A vigorous workout on the StairMaster can burn around 500 to 600 calories per hour, depending on the intensity and the user's weight. Additionally, recent studies indicate it effectively engages multiple muscle groups, contributing to fat loss. More can be found in the comparison article The Jacobs Ladder vs The Stairmaster.

3. Jacobs Ladder: This unique machine reportedly has one of the highest calorie burns among cardio equipment, with a 200-pound person burning around 700 to 800 calories per hour. This machine's design promotes a high-intensity workout that significantly engages both the upper and lower body, leading to effective fat loss. For further details, check out the insights provided in the article Ultimate Calorie Burn Comparison.

4. Stationary Bike: The stationary bike generally burns fewer calories compared to the other machines listed, around 400 to 600 calories per hour, again depending on the intensity of the workout and the individual’s weight. It's a good option for those looking for a lower-impact exercise but may not yield as high a calorie burn as other machines. More information can be found in this Bodybuilding.com article.

In summary, for calorie burn efficiency, the Jacobs Ladder seems to be the leader, followed closely by the rowing machine, with the StairMaster also offering robust calorie-burning potential. The stationary bike, while still beneficial, is likely to burn fewer calories than the others. For specific results tailored to your weight and workout intensity, consider calculating your personal metrics or consult a fitness professional.

Sources

Ultimate Calorie Burn Comparison: Stairs vs Rowing, Running & MoreWhat Cardio Machines Burn The Most Calories? [PT Approved]The Jacobs Ladder vs The Stairmaster - Which is Best?Best Exercise Machines For Cardio, And The Worst!Top 10 Machines for Losing Weight - WeekandA Guide to the Benefits of a Row Machine and StairMasterWhat cardio machine/routine at the gym will burn the most calories ...

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