A jumping jack is a physical exercise, also known as a star jump in the UK.
(The) Jumping jack may refer to: Jumping jack (toy), a toy with an attached string Jumping Jack (video game), 1983, also released as Leggit! Jumping Jack, 1984, released by Universal Entertainment Corporation Jack jumper ant, a variety of ant native to Australia Jumping jack compactor, a type of trench compactor Jumping Jack, a type of firework Jumping Jack Jones, an American baseball player in the 1880s known for his distinctive, jumping delivery Jumping Jacks, a 1952 Dean Martin and Jerry Lewis comedy "Jumpin' Jack", a song by Big Bad Voodoo Daddy The Jumping Jack (1930 film), a German comedy film The Jumping Jack (1938 film), a German comedy film
See also "Jumpin' Jack Flash", a song by The Rolling Stones Jumpin' Jack Flash (film)