Dictionary

sit–up

noun \ˈsit-ˌəp\

: an exercise in which you lie on your back and use your stomach muscles to raise the top part of your body to a sitting position

Full Definition of SIT-UP

:  a conditioning exercise performed from a supine position by raising the torso to a sitting position and returning to the original position without using the arms or lifting the feet
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First Known Use of SIT-UP

1938
SIT-UP Defined for Kids

sit–up

noun \ˈsit-ˌəp\

Definition of SIT-UP for Kids

:  an exercise done by lying on the back and rising to a sitting position

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