Table 2

Cervical strength assessment by group

Under-18AdultSignificance
Isometric strength (kg)
 Extension41.70 (39.36 to 44.18)53.70 (48.42 to 58.99)<0.001*
 Flexion22.59 (20.45 to 24.72)25.40 (22.94 to 27.86)0.098
 Side flexion (left)32.24 (30.04 to 34.45)40.53 (36.36 to 44.71)0.002*
 Side flexion (right)31.83 (29.66 to 24.01)42.48 (39.24 to 45.73)<0.001*
Fatigue
 Total (kg s)1305 (1181 to 1429)1551 (1332 to 1770)0.058
 Time achieved (s)67.10 (60.44 to 83.17)71.81 (62.96 to 71.28)0.390
 Average load (kg)18.25 (16.77 to 19.73)23.54 (21.35 to 25.73)<0.001*
  • All data reported as mean (95% CI).

  • *Remains significant at the 0.05 level correcting for multiple testing.