ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  tummy crunch - an exercise designed to strengthen the abdominal musclesexercise, exercising, physical exercise, physical exertion, workout - the activity of exerting your muscles in various ways to keep fit; "the doctor recommended regular exercise"; "he did some exercising"; "the physical exertion required by his work kept him fit" sit-up - a stomach exercise in which a person sits up from a supine position without using the arms for leverage |
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