What are fine and gross motor skills?

Small vs big muscles: Gross motor is sitting up, walking, turning over; fine motor is thumb-forefinger grasp, building a tower of blocks, feeding self with a spoon, scribbling. Big muscles/big movements=gross motor; fine control=fine motor.

Little vs. big: Fine motor skills involve small movements (fingers, toes, lips, wrists, tongue) such as picking up a raisin, grabbing a cup. Gross motor skills involve larger muscles (arms, legs, trunk, feet) and big movements such as running, jumping, hopping, walking.