Table 3.

Joint volume change during simulated joint movement

EremopusHadrurusHeterometrusMastigoproctusAphonopelma
Body mass (g) (mean ± S.D.)1.14±0.226±16.0±1.98±218±2
Volume change (μl)
Femur—patella joint1±0.511±0.53.5±120±3
Patella—tibia joint2.5±1<0.5<0.5<0.51±2
Tibia—basitarsus joint<0.5<0.5<0.5<0.58±2
Basitarsus—telotarsus joint<0.5<0.5<0.5<0.51±0.5
  • N=3 for all genera.

    -, volumes not measured.