Methods Twelve fresh calf spines (T_8-L_5) were divided into 3 groups at random: intact group (INT), one-level corpectomy with Dick fixation group (Dick) and three-level corpectomies with Luque fixation group (Luque).

• 方法12具新鲜小牛胸腰段脊柱标本(T_8-L_5)随机分成完整组(INT组),单平面截骨 Dick钉固定组(Dick组)和多平面截骨Luque棒固定组(Luque组),每组4具。