Fig. 3.

Mean (SE) arterial pressure (MAP; a), capillary oxyhaemoglobin saturation (SpO₂; b) and changes from resting values in cerebral oxyhaemoglobin (Δ[O₂Hb]; c) obtained during the 4-min G plateaux at 4 and 5 G, and the 3-min recovery, with (ABD) and without (NoABD) the abdominal bladder of the anti-G-suit inflated. B baseline phase, T transition (G onset) phase. *Significantly different from 4-G NoABD and 4-G ABD, ^†significantly different from 4-G NoABD, 4-G ABD, and 5-G NoABD, ^‡significant difference between 4-G NoABD and 4-G ABD, ^§significant difference between 4-G NoABD and 5-G NoABD, ^¶significant difference between 4-G ABD and 5-G NoABD, **significant difference between 4-G ABD and 5-G ABD, ^††significant difference between 5-G NoABD and 5-G ABD; (p ≤ 0.05). n = 12