Ivanenko, Y. P., Dominici, N., Cappellini, G., Dan, B., Cheron, G. and Lacquaniti, F. (2004). Development of pendulum mechanism and kinematic coordination from the first unsupported steps in toddlers. J. Exp. Biol.207, 3797-3810.
Fig. 5A shows the R vs Fr function for our toddlers at the first unsupported steps, 1–5 months later, for children older than 2 years of age, and for adults.
The print version of the article is correct.
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