radial-palmar grasp

ra·di·al-pal·mar grasp

(rā'dē-ăl-pawl'măr grasp)
A pattern emerging in the 6th-7th month in which the index and middle fingers curl around an object with the thumb beginning to oppose and press the object into the radial side of the palm.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012