1 Exhibit 12.1 Earnings to Fixed Charges DonJoy,LLC Computation of Rate of Earnings to Fixed Charges (dollars in thousands) Historical Historical Pro Forma Pro Forma ------------------------------------------ ----------------------- ------------------------ Years Ended December 31, Six Months Ended 12 Months 6 Months ------------------------------------------ ----------------------- Ended Ended 1994 1995 1996 1997 1998 06/27/1998 06/29/1998 12/31/1998 06/29/1999 ------------------------------------------ ----------------------- ------------------------ Income before income taxes ............... $11,943 $11,440 $ 9,483 $10,904 $8,345 $2,010 $5,819 $ (468) $1,494 Interest ............. - 989 2,459 2,072 - - - 14,029 7,015 Amortization of Debt Issuance Costs ...... - - - - - - - 802 401 Amortization of Discount on Sr. Notes - - - - - - - 200 100 1/3 of rental expense- operating leases .... 377 546 765 775 1,064 772 393 1,064 393 ------- ------- ------- ------- ------ ------ ------ ------- ------ Earnings ............. $12,320 $12,975 $12,707 $13,751 $9,409 $2,782 $6,212 $15,627 $9,403 ======= ======= ======= ======= ====== ====== ====== ======= ====== Interest ............. $ - $ 989 $ 2,459 $ 2,072 $ - $ - $ - $14,029 $7,015 Amortization of Debt Issuance Costs ...... - - - - - - - 802 401 Amortization of Discount on Sr. Notes - - - - - - - 200 100 1/3 of rental expense- operating leases .... 377 546 765 775 1,064 772 393 1,064 393 ------- ------- ------- ------- ------ ------ ------ ------- ------ Fixed Charges ........ $ 377 $ 1,535 $ 3,224 $ 2,847 $1,064 $ 772 $ 393 $16,095 $7,909 ======= ======= ======= ======= ====== ====== ====== ======= ====== Ratio of Earnings to Fixed Charges .... 32.71 8.45 3.94 4.83 8.84 3.60 15.79 - 1.19 ======= ======= ======= ======= ====== ====== ====== ======= ======