“Commit to be fit”

“Commit to be fit” is a popular fitness slogan.  “Commit to be fit” was cited in print in an advertisement for a Wisconsin health club in November 1984. The saying has appeared in book titles since 1996.
 
 
9 November 1984, The Capital Times (Madison, WI), pg. 43, col. 5 ad:
Commit to be fit
Before the Holidays!
(Fox Run Health Club—ed.)
 
3 March 1985, Wisconsin State Journal (Madison, WI), sec. 1, pg. 16, col. 3 ad:
COMMIT TO BE FIT!
(Fox Run Health Club—ed.)
 
18 January 1987, The Times-Picayune (News Orleans, LA), TV Focus, pg. 20, col. 2 ad:
COMMIT TO BE FIT
(The Waist Basket fitness centers—ed.)
 
OCLC WorldCat record
Commit to be fit : your personal trainer
Author: John Siracuse
Publisher: Brea, Calif. (407 W. Imperial Hwy., #154, Brea 92821) : John the Bodyman, ©1996.
Edition/Format: Book : English
 
OCLC WorldCat record
Commit to be fit
Author: Corinna Everson
Publisher: [S.l.] : C. Everson, 1996.
Series: Motivational audio series
Edition/Format:  Audiobook on Cassette : Cassette recording : English
Summary: Cory Everson teaches how to get movitated, lose weight and start an exercise program. She also teaches the steps involved in achieving results in all aspects of life, including emotional balance and inner peace.
 
OCLC WorldCat record
Commit to be fit : now and forever
Author: Steve Frierman
Publisher: Boston, Mass. : American Press, ©2010.
Edition/Format: Book : English
 
WYMT-TV (Hazard, KY)
More than 150 people ran in “Commit to be Fit” 5K
Posted: Sun 12:17 AM, Jun 30, 2013