人类的一种手部动作,当人类用手抓时手指会弯曲。握手就是人类做出抓这个动作时的一个例子[1]。当婴儿16周时他们就会抓取某些物体[2][3]。6岁时,孩子们就可以学习如何使用书写工具,这方面其实也涉及抓这一动作。 [4]

对于新生儿来说,抓是一种本能反应。

参考文献

  1. ^ Bertenthal, Bennett; Hofsten, Claes von. Eye, Head and Trunk Control: The Foundation for Manual Development1The responsibility was shared equally between the authors.1. Neuroscience & Biobehavioral Reviews. 1998, 22 (4): 515–520. doi:10.1016/s0149-7634(97)00038-9. 
  2. ^ Kuhtz-Buschbeck, J. P.; Boczek-Funcke, A.; Illert, M.; Joehnk, K.; Stolze, H. Prehension movements and motor development in children. Experimental Brain Research. September 1999, 128 (1–2): 65–68. ISSN 0014-4819. PMID 10473741. doi:10.1007/s002210050818. 
  3. ^ Zeng, Nan; Ayyub, Mohammad; Sun, Haichun; Wen, Xu; Xiang, Ping; Gao, Zan. Effects of Physical Activity on Motor Skills and Cognitive Development in Early Childhood: A Systematic Review. BioMed Research International. 2017, 2017: 1–13. ISSN 2314-6133. PMC 5745693 . PMID 29387718. doi:10.1155/2017/2760716 (英语). 
  4. ^ "The Development of Coordination for Reach-to-Grasp Movements in Children", Journal of Experimental Brain Research (2002) 146: 142-154, doi: 10.1007/s00221-002-1156-z