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. Author manuscript; available in PMC: 2010 Mar 1.
Published in final edited form as: Infancy. 2008 May;13(3):204–228. doi: 10.1080/15250000802004288

FIGURE 1.

FIGURE 1

Drawings depicting E20 rat fetuses exposed to interlimb yoke training. The larger drawing on the left, traced from a still photograph of an E20 fetus in a resting posture viewed from a ventral perspective, shows the interlimb yoke attached to both hind limbs at the ankles. The smaller figures on the right present a sequence (top to bottom) of a conjugate limb movement (CLM), in which the two hind legs are extended simultaneously in a caudal direction. These three drawings were traced from individual video frames of an E20 rat fetus recorded after yoke training and removal of the yoke; each image in the sequence is separated from the next by five video frames (0.17 sec).