What stepping rate is needed if a person wants to work at a Vo2 of 45 mL/kg/min using a bench that is 34 cm high?
To determine the stepping rate needed to achieve a specific VO2 level (45 mL/kg/min in this case) using a bench of a certain height (34 cm), we need a formula called the "One-MET stepping rate equation." The One-MET stepping rate equation can calculate the stepping rate required to achieve a specific VO2 level based on the height of the step.
The formula is as follows:
Stepping Rate (steps per minute) = VO2 / (0.2 × Step Height)
Step Height should be measured in meters.
Let's go through the steps to calculate the stepping rate:
Step 1: Convert the bench height to meters.
34 cm = 0.34 meters
Step 2: Substitute the values into the formula.
Stepping Rate = 45 mL/kg/min / (0.2 × 0.34 meters)
Step 3: Perform the calculation.
Stepping Rate ≈ 45 mL/kg/min / (0.068 meters)
Step 4: Convert VO2 from mL/kg/min to L/min.
45 mL/kg/min = 0.045 L/min
Step 5: Calculate the stepping rate.
Stepping Rate ≈ 0.045 L/min / (0.068 meters)
Step 6: Simplify the expression.
Stepping Rate ≈ 0.6618
Therefore, to work at a VO2 level of 45 mL/kg/min using a bench that is 34 cm high, the stepping rate required would be approximately 0.6618 steps per minute.