. . . EXHIBIT 12.1 DJ ORTHOPEDICS, INC. COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN THOUSANDS) Historical Historical Historical Years Ended December 31, ---------- ---------- --------------------------------------------------------- Q1-03 Q1-02 2002 2001 2000 1999 1998 -------- -------- -------- -------- -------- -------- -------- Income (loss) before income taxes ............. $ 2,764 $ 2,377 $(24,556) $ 532 $ 5,159 $ 9,515 $ 8,345 Interest ...................................... 2,819 2,872 11,542 16,673 15,876 7,057 -- Amortization of Debt Issuance Costs ........... 437 195 781 919 877 409 -- Amortization of Discount on Sr. Notes ......... 39 39 154 204 205 102 -- 1/3 of rental expense-operating leases ........ 196 257 1,295 1,196 1,064 895 1,064 -------- -------- -------- -------- -------- -------- -------- Earnings ...................................... $ 6,255 $ 5,740 $(10,784) $ 19,524 $ 23,181 $ 17,978 $ 9,409 Interest ...................................... $ 2,819 $ 2,872 $ 11,542 $ 16,673 $ 15,876 $ 7,057 $- Amortization of Debt Issuance Costs ........... 437 195 781 919 877 409 -- Amortization of Discount on Sr. Notes ......... 39 39 154 204 205 102 -- 1/3 of rental expense-operating leases ........ 196 257 1,295 1,196 1,064 895 1,064 -------- -------- -------- -------- -------- -------- -------- Fixed Charges ................................. $ 3,491 $ 3,363 $ 13,772 $ 18,992 $ 18,022 $ 8,463 $ 1,064 Ratio of Earnings to Fixed Charges ............ 1.79 1.71 -0.78 1.03 1.29 2.12 8.84 ======== ======== ======== ======== ======== ======== ========