Children develop at different rates, but here is a list of physical milestones that most children reach by their second birthday. (babycenter.com)
However, muscle development is an essential part of reaching physical milestones. (lovingmomentsbras.com)
And remember that your child will likely reach new physical milestones without your presence and any such change in what they can reach or do could pose new dangers to your child. (kidsindanger.org)