Awoṣe yii ni 5 lumbar vertebrae pẹlu awọn disiki intervertebral, sacrum, tailbone, nafu ara ati ọpa ẹhin, pẹlu ipilẹ.Meji lo wa, nla ati kekere.
Nipa ti o tobi, iṣakojọpọ: 10 awọn ege / apoti, 74x43x29cm, 12kgs
Kekere, iṣakojọpọ: 32 awọn ege / apoti, 62x29x29cm, 10kgs