Wednesday, February 28, 2024

Why Do Babies Flap Their Arms? Experts Weigh In On The Benefits

— Jose Luis Pelaez Inc/DigitalVision/Getty Images

Once your baby starts getting a little more physically animated, you might notice them moving their arms around a lot, and honestly, sometimes they go full-on with what looks like the Chicken Dance. But why do babies flap their arms? Between all the info out there about stimming and just general baby development, it’s easy to wondere if all of your baby’s arm flapping is because they’re just excited, or because something else is going on.

Babies flapping their arms is really just them expressing themselves.

As they develop, babies discover new ways to communicate with their caregivers and express emotions besides just crying. Arm-flapping is one of those new ways. “We generally see babies ‘flapping’ when they are excited and happy,” Lilie L. Bonzani, OTR/L, pediatric occupational therapist, and Mary Hart Macleod, OTR/L, occupational therapist, tell Romper in an email. This movement, which they describe as a baby “rotating their wrists and sometimes their ankles,” actually “elicits a pleasurable sensation in their joints and muscles.” Essentially, they say, arm-flapping is “a physical expression of emotion.”

Is a baby flapping their arms a sign of stimming?

Of course, every baby develops on their own timeline, but generally speaking, this behavior is most common in “babies who are not yet walking, crawling or using their hands as purposefully to clap and bang toys,” explain Bonzani and Macleod. And if it wasn’t a common thing, there might be some concern over stimming, but arm flapping really is a sign of healthy development.

In fact, your baby’s arm flapping may be a signal that they need more to do with their hands or are beginning to become more intentional with their hand movements. This is a behavior you should definitely encourage, and Bonzani and Macleod recommend parents “give baby plenty of activities to do with their hands.” Some ideas they share include “food play, water play, banging toys together, finger songs and clapping hands.”

If you're worried about your child's arm-flapping for some reason, it's always a good idea to talk to the pediatrician for reassurance or to come up with a plan of action. However, it's a very normal behavior, and Bonzani and Macleod note, “Parents should be concerned with this only if it is significant enough to interfere with play and other developmental skills.” Otherwise, it's just evidence that you have one very happy and expressive baby.

Experts:

Lilie L. Bonzani, OTR/L, Pediatric Occupational Therapist at Duke Unversity Health

Mary Hart Macleod, OTR/L, Occupational Therapist at Duke University Health


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