Key points are not available for this paper at this time.
Donna Frick-Horbury, Robert E. Guttentag, The Effects of Restricting Hand Gesture Production on Lexical Retrieval and Free Recall, The American Journal of Psychology, Vol. 111, No. 1 (Spring, 1998), pp. 43-62
Frick-Horbury et al. (Thu,) studied this question.