From: Cadence (steps/min) and relative intensity in 21 to 60-year-olds: the CADENCE-adults study
Age Groups | Treadmill Speed (mph) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | ||
Group 1 (21–30 years) | n | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 34 | 14 | 4 |
Cadence | 41.0 ± 8.7 | 65.6 ± 7.2 | 82.5 ± 7.1 | 95.4 ± 6.2 | 105.4 ± 5.5 | 113.0 ± 5.9 | 120.1 ± 6.1 | 127.8 ± 6.9 | 133.7 ± 6.2 | 142.5 ± 6.1 | |
 | [28–72] | [53–82] | [72–99] | [85–108] | [94–117] | [101–127] | [108–135] | [115–143] | [124–147] | [135–148] | |
%HRmax | 42.9 ± 7.0 | 43.9 ± 7.0 | 45.0 ± 6.9 | 46.2 ± 6.8 | 48.2 ± 6.9 | 51.5 ± 7.5 | 56.7 ± 8.6 | 64.0 ± 10.1 | 67.0 ± 11.3 | 72.9 ± 8.9 | |
 | [28.9–59.1] | [30.9–59.2] | [32.1–60.5] | [34–61] | [36–63] | [38.3–67.5] | [41.1–74.6] | [44.5–85.5] | [48.7–85] | [61.1–80] | |
%HRR | 12.4 ± 6.7 | 14.0 ± 6.6 | 15.7 ± 6.6 | 17.5 ± 6.7 | 20.7 ± 7.1 | 25.6 ± 8.4 | 33.6 ± 10.5 | 45.3 ± 13.8 | 51.3 ± 16.0 | 61.0 ± 13.6 | |
 | [0.4–26.1] | [0.1–27.5] | [1–29.2] | [3.5–31] | [5.7–36] | [8.8–44.4] | [13–55.8] | [18–77.1] | [22.1–75.6] | [42.5–73.4] | |
RPE | 7.2 ± 0.9 | 7.7 ± 1.0 | 8.2 ± 1.0 | 8.7 ± 1.1 | 9.5 ± 1.2 | 10.2 ± 1.3 | 11.4 ± 1.2 | 12.3 ± 1.3 | 13 ± 1.6 | 12.8 ± 1.0 | |
 | [6–10] | [6–10] | [6–10] | [7–11] | [7–12] | [8–13] | [9–14] | [10–14] | [10–15] | [12–14] | |
Group 2 (31–40 years) | n | 40 | 40 | 40 | 40 | 39 | 38 | 34 | 28 | 10 | 0 |
Cadence | 49.2 ± 13.9 | 69.7 ± 10.2 | 85.0 ± 8.6 | 96.8 ± 6.8 | 106.3 ± 6.6 | 114.2 ± 6.3 | 122.4 ± 6.3 | 129.4 ± 5.8 | 141.7 ± 10.2 | N/A | |
 | [31–101] | [56–105] | [72–110] | [86–115] | [93–121] | [101–125] | [108–134] | [116–139] | [125–156] | N/A | |
%HRmax | 42.9 ± 6.9 | 44.4 ± 6.8 | 45.8 ± 6.5 | 47.4 ± 6.5 | 50.1 ± 6.9 | 54.3 ± 8.2 | 58.9 ± 8.3 | 68.4 ± 9.8 | 74.1 ± 6.7 | N/A | |
 | [29.5–56.5] | [30.2–57.1] | [32.8–57.4] | [34.7–60.1] | [37.4–64.9] | [41.6–75.4] | [45.8–81.3] | [53.9–86.6] | [66.7–84.3] | N/A | |
%HRR | 13.1 ± 6.2 | 15.3 ± 5.8 | 17.4 ± 5.6 | 19.9 ± 5.4 | 24.3 ± 6.3 | 30.7 ± 8.5 | 38.6 ± 10.0 | 52.9 ± 13.1 | 62.4 ± 9.5 | N/A | |
 | [−0.9–27.8] | [2.4–26.7] | [4.4–26.9] | [8.8–32.2] | [11.7–35.5] | [19.8–54.7] | [26.8–70.8] | [35.4–79.1] | [48.2–77.3] | N/A | |
RPE | 7.6 ± 1.5 | 8.2 ± 1.7 | 8.8 ± 1.7 | 9.5 ± 1.7 | 10.4 ± 1.6 | 10.9 ± 1.6 | 11.8 ± 1.4 | 12.8 ± 1.2 | 14.1 ± 1.3 | N/A | |
 | [6–11] | [6–12] | [6–12] | [7–13] | [8–14] | [8–14] | [9–15] | [10–15] | [12–16] | N/A | |
Group 3 (41–50 years) | n | 40 | 39 | 39 | 39 | 39 | 39 | 38 | 26 | 6 | 1 |
Cadence | 51.1 ± 16.6 | 68.6 ± 15.4 | 84.6 ± 10.8 | 97.0 ± 8.7 | 106.4 ± 7.4 | 114.6 ± 6.8 | 121.4 ± 6.7 | 130.8 ± 9.0 | 141.8 ± 9.4 | 157.4 | |
 | [31–112] | [39–133] | [65–131] | [77–131] | [89–130] | [100–131] | [109–135] | [116–148] | [129–151] | N/A | |
%HRmax | 45.8 ± 5.9 | 47.2 ± 5.9 | 48.5 ± 5.8 | 50.1 ± 5.9 | 52.9 ± 6.4 | 56.7 ± 6.7 | 62.5 ± 7.6 | 72.5 ± 9.9 | 79.1 ± 6.7 | 81.9 | |
 | [33.8–57.2] | [35.1–59.8] | [38–61.7] | [39.9–64.6] | [40.8–67.3] | [43.2–67.7] | [46.3–76.2] | [53.4–83.3] | [68.2–87.5] | N/A | |
%HRR | 14.2 ± 6.9 | 16.2 ± 7.3 | 18.3 ± 7.5 | 20.8 ± 7.9 | 25.3 ± 8.9 | 31.3 ± 9.3 | 40.6 ± 10.6 | 56.3 ± 14.9 | 67.2 ± 8.6 | 73.9 | |
 | [0.4–29.6] | [3.7–33.9] | [3.9–37] | [6.7–41.8] | [10.3–46.2] | [13.5–46.9] | [18.4–63.6] | [28–74.2] | [54.2–78.3] | N/A | |
RPE | 8.3 ± 1.7 | 8.5 ± 1.4 | 9.0 ± 1.4 | 9.7 ± 1.4 | 10.5 ± 1.3 | 11.4 ± 1.3 | 12.4 ± 1.2 | 13.3 ± 1.2 | 13.5 ± 1.0 | 13 | |
 | [6–15] | [6–11] | [6–12] | [6–12] | [7–13] | [8–14] | [9–15] | [11–15] | [12–15] | N/A | |
Group 4 (51–60 years) | n | 39 | 39 | 39 | 38 | 38 | 38 | 34 | 20 | 5 | 0 |
Cadence | 54.2 ± 17.6 | 71.9 ± 13.1 | 84.6 ± 11.2 | 95.2 ± 7.9 | 104.6 ± 6.5 | 112.5 ± 6.9 | 118.5 ± 6.9 | 126.2 ± 8.1 | 136.9 ± 9.9 | N/A | |
 | [33–121] | [57–133] | [72–141] | [83–129] | [93–126] | [101–127] | [106–133] | [112–143] | [128–152] | N/A | |
%HRmax | 48.1 ± 8.2 | 49.8 ± 8.1 | 51.2 ± 8.1 | 52.7 ± 7.7 | 55.7 ± 7.5 | 59.9 ± 8.0 | 66.2 ± 8.7 | 71.5 ± 8.6 | 80.1 ± 10.0 | N/A | |
 | [31.8–66.1] | [33.7–66.2] | [36.8–66.9] | [39.4–66.9] | [44.5–71.3] | [47.1–79.6] | [52.8–84.2] | [59.2–88.0] | [68.1–93.4] | N/A | |
%HRR | 16.9 ± 7.0 | 19.6 ± 7.4 | 21.8 ± 7.6 | 24.1 ± 7.4 | 28.9 ± 7.6 | 35.7 ± 9.0 | 46.1 ± 11.1 | 55.9 ± 12.5 | 68.6 ± 14.7 | N/A | |
 | [6.3–34.1] | [8.5–37.8] | [10.2–39.5] | [10.8–41.4] | [12.7–43.5] | [19.3–59.5] | [28.5–75.2] | [37.8–81.2] | [51.4–89.7] | N/A | |
RPE | 8.4 ± 1.8 | 8.8 ± 1.7 | 9.4 ± 1.8 | 10.1 ± 1.3 | 10.8 ± 1.2 | 11.7 ± 1.2 | 12.5 ± 1.2 | 13.4 ± 1.4 | 14.6 ± 0.5 | N/A | |
 | [6–13] | [6–13] | [6–14] | [8–13] | [8–13] | [9–14] | [10–15] | [11–16] | [14, 15] | N/A |