Qhov ntuj no lumbar nqaj qaum ua rau cov kab mob lumbar ib txwm lumbar, disc thiab cov paj hlwb. Nws muaj lub hauv paus. Muaj peb tus qauv
Ob ntu spinine, ntim: 32 daim / thawv, 62x29xm, 15kgs
Peb-ntu nqaj qaum, ntim: 20 daim / lub thawv, 50x35x42cm, 10kgs
Plaub-ntu nqaj qaum, ntim khoom: 20 daim / lub thawv, 50x35xm42cm, 11kgs