Model construction

1. The model was designed to reduce the adult skeleton of pregnant women with a height of 85CM, and then make a series of normal upright posture for fixation on the scaffold.2. Skull: it consists of 23 skulls (3 pairs of hearing bones are not included). The lateral incision (detachable) was made along the frontal bone, parietal bone and occipital bone, showing the structure of the intracranial. The lower frontal joint can be moved.3. Spine: it consists of 7 fast neck vertebrae, 12 fast thoracospinal bone, 5-speed lumbar spine, 1-fast sacrum, 1-fast tail bone connected by joint disc and disc. The spine showed four physiological bends of neck, chest, waist and sacrum.4. Chest: it consists of 24 quick ribs, a sternum and its costal cartilage connected with the thoracic vertebrae.5. Pelvis: it consists of sacrum, tail bone and hip bone.6. Upper limb bone: composed of 64 quick, scapula and clavicle of shoulder belt part fixed, shoulder, elbow and wrist joint can be moved.7. Lower limb bone: composed of 62 quick, hip, knee and ankle joint can be moved.