Crunches is the answer since it's 8 letters!
Curl-ups is another term for the exercise known as sit-ups. This exercise centers on the abdominal muscles and you can use both terms interchangeably in various fitness routines. ;
Curl-ups are also known as sit-ups, which is an 8-letter word. This exercise focuses on strengthening the abdominal muscles and is commonly incorporated in fitness routines. Both terms can be used interchangeably when referencing this exercise.
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