Table 5 Comparisons in all responses of varying head angles for each gender.
 | Head angle (°) | Cervical erector spinae (%MVC) | Upper trapezius (%MVC) | Neck flexion (°) |
---|---|---|---|---|
Men | 20 | 8.49 (5.06–11.92)a | 8.93 (3.64–14.22)a | 61.6 (51.2–72.0)a |
30 | 10.05 (4.05–16.05)b | 10.81 (5.36–16.26)b | 68.7 (57.5–79.9)b | |
40 | 11.89 (3.09–20.69)c | 12.18 (5.22–19.14)c | 78.4 (64.3–92.5)c | |
Maximum | 8.63 (5.09–12.17)a | 9.78 (3.86–15.70)ab | 92.4 (79.5–105.3)d | |
Women | 20 | 9.27 (5.12–13.42)a | 9.61 (4.61–14.61)a | 57.4 (41.7–73.1)a |
30 | 11.16 (6.28–16.04)b | 11.30 (6.03–16.57)b | 65.0 (49.3–80.7)b | |
40 | 12.96 (6.96–18.96)c | 13.50 (4.60–22.40)c | 74.2 (60.5–87.9)c | |
Maximum | 10.84 (7.84–13.86)b | 11.66 (7.90–15.42)b | 83.9 (73.1–94.7)d |