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seated abdominal
1.Alternative steel:the hanged weight is made of hard
steel,at the easy-reaching height
and easy to adjust.
2.Frame embellishing:unique two-double baking
varnishing makes the machine noble as a car,at the same time,embellishing can prevent the bike from scrapping and paint-falling.
3.Cushion:make the user in a comfortble
protector,prevent user
from hurting and also support the user.
4.muscle exercised:rectus abdominis,external oblique
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