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Fig. 4. Graphs of (A) limb protraction angle, (B) limb retraction angle and (C)
limb excursion angle versus acceleration. During acceleration trials
(triangles), limb protraction angle did not change significantly with
acceleration, while retraction angle increased with increasing accelerations.
In deceleration trails (squares), both limb protraction and retraction angles
increased with increasing deceleration magnitude. Limb excursion angle
increased linearly with both acceleration and deceleration magnitude. See text
for further details.