jumping jack

US /ˈdʒʌmpɪŋ dʒæk/
UK /ˈdʒʌmpɪŋ dʒæk/
"jumping jack" picture
1.

polichinelo

an exercise in which you stand with your feet together and your arms at your sides, then jump to a position with your legs spread wide and your arms extended overhead, and then return to the starting position

:
We started our workout with 20 jumping jacks.
Começamos nosso treino com 20 polichinelos.
Doing jumping jacks is a good way to warm up.
Fazer polichinelos é uma boa maneira de aquecer.