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Fig. 6. Limb positions vs time for separate representative glide
sequences. Limb movements were ubiquitous throughout all glides and of
magnitudes that far exceed the estimated digitizing error. The correlation
between these movements and body rotations indicate that these movements
function to control body orientation. (A) Chord angles tended to be fairly
large and positive at the start of the sequences and decrease through the
trial. Chord angles became negative in 14 of 49 trials. (B) Forelimb elevation
angles tended to fluctuate between positive and negative, but usually remained
fairly small. (C) Forelimb protraction angles were large and positive at all
times in all glide sequences.
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