Table 3.

Frequency of Methods Used to Determine Training Zone

Method Used to Determine Training Zone	CR (N=29) Frequency	PR (N=8) Frequency
Karvonen formula alone	14 (48.3%)	0
% maximum heart rate alone	3 (10.3%)	1 (12.5%)
Karvonen formula + % of maximum heart rate	3 (10.3%)	0
Karvonen formula + % of maximum heart rate + other	3 (10.3%)	1 (12.5%)
% of maximum heart rate + Trial & Error	2 (7.0%)	1 (12.5%)
% of maximum heart rate + Other	4 (13.8%)	2 (25.0%)
Other	0	3 (37.5%)

NOTE: The sample size for PR programs is 8 because the director of 1 additional PR program did not provide a response to this item.

Percentages are rounded up to the nearest tenth.