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6MWT MET Equation:
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The 6 Minute Walk Test (6MWT) MET Calculator estimates metabolic equivalent of task (MET) values based on walking speed during a 6-minute walk test. METs represent the energy cost of physical activities as multiples of resting metabolic rate.
The calculator uses the 6MWT MET equation:
Where:
Explanation: The equation calculates the metabolic equivalent by adding the energy expenditure of walking to the resting metabolic rate and expressing it as a multiple of the resting rate.
Details: MET values are crucial for assessing functional capacity, prescribing appropriate exercise intensity, monitoring rehabilitation progress, and estimating energy expenditure during physical activities.
Tips: Enter walking speed in meters per second (m/s). Calculate speed by dividing the distance walked in 6 minutes (in meters) by 360 seconds. Values must be valid (speed > 0).
Q1: What is a normal MET value for the 6MWT?
A: Healthy adults typically achieve 5-8 METs during the 6MWT, though values vary based on age, fitness level, and health status.
Q2: How do I calculate walking speed for the 6MWT?
A: Measure the distance walked in 6 minutes (in meters), then divide by 360 to get speed in m/s.
Q3: Why use MET values instead of simple distance measurements?
A: MET values provide a standardized measure of energy expenditure that accounts for individual differences in body size and fitness level.
Q4: Are there limitations to this calculation?
A: This equation provides an estimate and may not account for factors like incline, walking efficiency, or individual metabolic variations.
Q5: Can this calculator be used for clinical decision making?
A: While useful for estimation, clinical decisions should be based on comprehensive assessment by healthcare professionals.