Dynamic Unstable Surface: Lub tsheb thauj mus los ywj pheej raws li txoj kev tsheb ciav hlau, cuam tshuam kev txhawb nqa zoo li qub thiab yuam kom cov leeg hauv plab, multifidus, thiab pelvic pem teb cog lus tsis tu ncua kom muaj qhov nruab nrab nruab nrab thiab kev txav kom zoo, yog li tiv thaiv kev txav mus los.
Bidirectional Linear Resistance: Springs muab adjustable concentric (shortening) thiab eccentric (lengthening) kuj; Cov xim ntawm lub caij nplooj ntoos hlav sib txawv thiab qhov ntau tso cai rau kev thauj khoom customization, ua kom muaj kev cob qhia zoo uas muaj txij li kev txhawb nqa rov qab mus rau siab - kev nyuaj siab.
Leverage thiab Torque Adjustment: Kev kho kom haum rau qhov siab ntawm qhov taw, txoj hlua lub kaum sab xis, thiab lub cev pivot cov ntsiab lus hloov lub caj npab ntev, tso cai rau kev tswj xyuas meej ntawm qhov loj thiab kev taw qhia ntawm kev quab yuam siv rau cov leeg tshwj xeeb.
