Table 1. Approximate energy requirements for selected activities

Treadmill protocols at Stanford
METsFunctional class [*] Clinical status [+] Grade at 3 mph, Grade at 2 mph, Activities
  • 12
  • 11
  • 10
  • Normal
  • and
  • 1
  • 1, 2
  • 22.5
  • 17.5
  • Shoveling heavy snow
  • Squash
  • Running (6 mph)
  • Heavy labor
  • Handball
  • 9
  • 8
  • 1, 2
  • 15.0
  • Sawing wood
  • Mountain climbing
  • Heavy shoveling
  • Jogging (5 mph)
  • Digging ditches
  • 7
  • I
  • 1, 2, 3
  • 10.0
  • 17.5
  • Chopping wood
  • Tennis
  • Slow stair climbing
  • Walking (4-5 mph)
  • Swimming (fast)
6II1, 2, 3, 47.514
  • 5
  • II
  • 1, 2, 3, 4
  • 5.0
  • 10.5
  • Walking (2-4 mph)
  • Golf (walking)
  • Power lawn mowing
  • Raking leaves
  • Swimming (slowly)
4III2, 3, 42.57
  • 3
  • 2
  • III
  • III
  • 3, 4
  • 3, 4
  • 0.0
  • 3.5
  • Dressing
  • Sitting
  • Walking (2 mph)
  • Golf (cart)
  • Driving auto
1IV4

SOURCE: Selected information from tables in Greenland and Chu(2) and Fletcher et al.(7)

* New York Heart Association functional classes.

+ Numbers correspond to the following clinical status: 1 = healthy, dependent on age, activity; 2 = sedentary, healthy; 3 = limited; 4 = symptomatic.

From: Cardiac Rehabilitation Programs

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