Table 8.

Maximal moment, and minimal and maximal mechanical power of the ankle and knee joint during ground contact for the different groups

Older adults Young adults
RunnersNon-activeRunnersNon-active
Ankle
    Max. moment (Nm kg-1)*2.63±0.432.79±0.553.15±0.573.05±0.52
    Min. power (W kg-1)-8.78±2.90-10.35±3.48-12.11±4.00-10.83±2.33
    Max. power (W kg-1)**8.33±2.489.54±2.7110.55±1.9312.02±2.88
Knee
    Max. moment (Nm kg-1)1.66±0.451.88±0.471.81±0.371.85±0.31
    Min. power (W kg-1)-4.63±1.72-5.91±2.24-5.26±1.37-5.70±1.39
    Max. power (W kg-1)4.10±1.195.48±1.644.44±0.763.88±0.88
  • Values are means ± s.d. of both legs; N=20 (older runners), N=10 (older non-active subjects), N=9 (younger runners), N=10 (younger non-active subjects).

    Asterisks indicate statistically significant differences between older and young adults: *P<0.05, **P<0.01; significant age-by-running activity interaction (P<0.01).