Life Time Fitness 10-Q 2010 Q1 Quarterly report

EXHIBIT 32

CERTIFICATION PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Each of the undersigned hereby certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1) this periodic report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) the information contained in this periodic report fairly presents, in all material respects, the financial condition and results of operations of Life Time Fitness, Inc.

Dated: April 28, 2010

/s/ Bahram Akradi  

Bahram Akradi 

Chairman of the Board of Directors, President and Chief
Executive Officer 

/s/ Michael R. Robinson  

Michael R. Robinson 

Executive Vice President and Chief Financial
Officer 

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