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. 2013 May 15;8(5):e63982. doi: 10.1371/journal.pone.0063982

Figure 3. Body pitch and trajectory.

Figure 3

Average trajectory of the body (dotted line) compared to the vertebral axis orientation between ascending flight (AF; n = 4) and WAIR (WAIR; n = 4). The larger middle arrow indicates the mean vertebral pitch, the two smaller arrows are the average maximum and minimum pitch angles for the respective behavior. Note that pitch is less steep, more variable and differs from the trajectory line in WAIR compared to AF. Also, AF is nearly twice as fast as WAIR as indicated by the space between points sampled every 20 ms.