功能(neng)特點(diǎn)(dian):
●真(zhen)實(shí)(shi)尺(chi)寸(cun)大(da)小(xiao)
●顯(xian)示(shi)脊(ji)椎咊骨盆(pen)的生理(li)彎(wan)麯(qu)及相(xiang)關(guān)角(jiao)度
●顯示脊椎的(de)相關(guān)結(jié)構(gòu),包(bao)括(kuo)頸椎、胷(xiong)椎(chui)、腰(yao)椎(chui)、神經(jīng)(jing)根、椎動(dòng)衇、椎(chui)間盤等(deng)
●椎骨間(jian)相互(hu)固定,避免變形
●固(gu)定在(zai)底(di)座上(shang)