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Behaviour/development

Talk to others about child development and behaviour stages here. You can find more information on our development calendar.

Arm, hand and leg flapping

1 reply

Mumlife2026 · 08/11/2026 14:42

Hi everyone,

my 10 month old son flaps his arms (outwards) and legs nearly always when in the high chair, sometimes when being held & if laying on his back he will move his hands in a waving motion with arms out.
it doesnt come with excitement but more either overstimulation or frustration. He still eats when doing it and can be distracted but will soon go back to the movements.

did anyone else’s kids do this around the same age? He’s only being doing it since about 7 months.

He started babbling about 2-3 weeks ago, does eye contact (reduced up close) and answers his name.

the only other concern is that he isn’t a good smiler and very hard to make laugh, I would say he smiled more when he was younger, and socially won’t really smile at many people.

I’d love to hear people’s thoughts and if they have experienced similar.

OP posts:
Are your children’s vaccines up to date?
JustaSongAboutPingPong · 08/11/2026 17:04

Flapping arms is perfectly normal at this age, it ‘s only a concern after around 18 months.

If you’re concerned at all you could try doing this simple progress checker. If it says that he needs some support, then let us know and we can advise you what to do next Smile

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