crunches
Lying flat on your back with your knees in the air and bending over partially so that the back arches. Builds the abdominal muscles very effectively and is comparably more difficult than sit-ups.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Sports
- Category: Exercise physiology
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- paul01234
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(Urdaneta, Philippines)