jumping jack

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

قفزة جاك, تمرين القفز مع فتح الذراعين والساقين

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.
بدأنا تمريننا بـ 20 قفزة جاك.
Doing jumping jacks is a good way to warm up.
القيام بـ قفزات جاك طريقة جيدة للإحماء.