229910000831 Steel Inorganic materials 0.000 description 2.239000002184 metal Substances 0.000 abstract description 3.210000003489 Abdominal Muscles Anatomy 0.000 abstract description 8.230000036545 exercise Effects 0.000 claims abstract description 41.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to US36289302P priority Critical Application filed by Myles Tyrone Andree, Upshur-Myles Chantel Caprice, Christopher Langhart filed Critical Myles Tyrone Andree Priority to US10/385,971 priority patent/US20040077468A1/en Publication of US20040077468A1 publication Critical patent/US20040077468A1/en Status Abandoned legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Abandoned Application number US10/385,971 Inventor Tyrone Myles Chantel Upshur-Myles Christopher Langhart Original Assignee Myles Tyrone Andree Upshur-Myles Chantel Caprice Christopher Langhart Priority date (The priority date is an assumption and is not a legal conclusion.

Machine ab crunch