Which of the following motor achievements, on average, occurs last?
A) grasps cube
B) sits alone
C) rolls from back to side
D) rolls from side to back

Question

Quizplus · Accepted Answer

Sitting alone typically occurs between 6-8 months, which is later than grasping a cube (4-5 months), rolling from back to side (4-5 months), and rolling from side to back (5-6 months). Therefore, option B is the correct answer as it is the achievement that occurs last on average.

Which of the Following Motor Achievements, on Average, Occurs Last