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. 2023 Nov 29;20:141. doi: 10.1186/s12966-023-01543-w

Table 2.

Sample sizes, cadences, % heart rate maximum (HRmax), % heart rate reserve (HRR), and RPE for treadmill speeds

Treadmill Speed (mph)
0.5 1 1.5 2 2.5 3 3.5 4 4.5
n 97 87 83 79 73 65 47 17 2
Cadence 69.4 ± 18.9 80.7 ± 14.2 90.7 ± 11.0 98.7 ± 8.5 106.3 ± 7.1 114.2 ± 6.6 121.2 ± 7.9 129.4 ± 8.3 133.1 ± 6.1
(38.0-131.4) (50.6-120.2) (66.4-125.2) (81.4-129.8) (93.4–128) (100.6-131.8) (106.2-143.6) (112.6-148.4) (128.8-137.4)
%HR max 57.2 ± 10.8 56.5 ± 8.4 57.8 ± 8.1 58.7 ± 7.6 61.2 ± 7.6 65.3 ± 7.4 69.7 ± 6.9 73.5 ± 6.9 82.5 ± 2.3
(35.1–89.2) (35.3–76.6) (36.1–76.7) (38.1–80.1) (40.1–78.2) (43.1–85.4) (47.4–81) (54.6–85.8) (80.9–84.2)
%HRR 27.5 ± 14.0 27.0 ± 10.1 29.8 ± 9.9 31.6 ± 9.9 35.6 ± 9.7 43.0 ± 10.1 51.3 ± 9.9 57.9 ± 9.1 71.4 ± 3.7
(3.9–76.5) (5.8–59.9) (7.9–61.2) (13.1–66.9) (19.0-59.6) (25.1–72.5) (31.4–68.5) (40.8–77.4) (68.8–74)
RPE 9.1 ± 2.2 9.5 ± 2.1 10.0 ± 2.1 10.5 ± 2.0 10.9 ± 2.0 11.8 ± 1.8 12.5 ± 1.7 13.9 ± 1.6 13.5 ± 3.5
(6–13) (6–16) (6–15) (6–15) (6–14) (7–15) (7–15) (9–15) (11–16)

Values are means ± standard deviation with minimum and maximum in parentheses. HR maximum (HRmax) = 220 - age. Heart rate reserve (HRR) = HRmax - HRresting. RPE = Rate of Perceived Exertion