Jack Knife Pem teb ce yog ib qho nyuaj workout uas feem ntau tsom rau cov leeg nqaij plab, pab kom muaj zog thiab ruaj khov. Nws yog qhov tsim nyog rau nruab nrab rau cov neeg txhawb nqa kev tawm dag zog uas xav ua kom lawv cov kev qhia tseem ceeb. Cov neeg yuav xav ua qhov kev tawm dag zog no los txhim kho lawv lub zog tseem ceeb, txhawb nqa tag nrho lub cev kev sib koom tes, thiab txhim kho lawv cov kev ua kis las.
Yog lawm, cov neeg pib tuaj yeem ua Jack Knife Floor ce tab sis nws tseem ceeb heev uas yuav tsum nco ntsoov tias nws yog ib qho kev tawm dag zog zoo uas yuav tsum muaj lub zog zoo. Cov neeg pib tshiab yuav tsum pib nrog cov kev tawm dag zog yooj yim dua li cov phiaj xwm lossis ceg tsa thiab maj mam ua lawv txoj hauv kev mus rau ntau qhov kev tawm dag zog zoo li Jack Riam. Nco ntsoov khaws daim ntawv kom zoo kom tsis txhob raug mob thiab sab laj nrog tus kws kho mob yog tias koj tsis paub meej txog kev ua ib ce.