Regular physical activity is defined as a minimum of 240 minues per week sustained over a period of at least 3 months.

* Men in the 17 to 26 range should measure their forearm, men in the 27 to 50 range should use their buttocks measurement.  All women should use the measurement around the the thigh

** Women 27-50 should use the measuremen  at the thickest part of the calf, all others should use the forearm.