Image, Stock Photo 9 month old baby learning to pull up, cruise, and walk; leaning against side of couch

9 month old baby learning to pull up cruise and walk; leaning against side of couch - closeup of feet toddler learning stand walk step balance baby child milestone developmental cruising cruise pull up strong strength gross motor skills lean hold chubby dimple 6-12 months old foot feet boy girl little small kid barefoot childhood leg infant cute newborn human legs young skin white toe floor body toes elastic wrinkle sweatpants curl heel