Infant Motor Development By kharra Jan 1, 2017 Months 1-3 Baby raise head and chest while lying on stomach Link text May 1, 2017 Months 4-7 Baby rolls both ways Link text Aug 1, 2017 Month 8 Baby should be able to crawl. Link text Sep 1, 2017 Month 10 Baby can pick up small objects using pincer grip. Link text Dec 1, 2017 Months 11-12 Baby can walk while holding one or both hands of an adult. Link text