Anatomical characteristics of rabbit sternocleidomastoid muscle and establishment of congenital torticollis model
ZU Wen-xuan, JIANG Bang-hong, LAI Gui-hua, ZHAO Li, ZHANG Li, XU Jing
Chinese Journal of Clinical Anatomy ›› 2017, Vol. 35 ›› Issue (3) : 346-349.
Anatomical characteristics of rabbit sternocleidomastoid muscle and establishment of congenital torticollis model
Objective To study the position, morphology and adjacent structures of the rabbit sternocleidomastoid muscle, and establish a rabbit model of congenital torticollis. Methods Twenty New Zealand white rabbits were used in this study,which were dissected for observation of the anatomic relationship of the sternocleidomastoid muscle with surrounded vessels and nerve. Different hardening agents were injected in different segments of sternocleidomastoid muscle to evaluate the optimal model making method. Then the range of injection above the surface was estimated. Results The best project was 0.75ml/kg anhydrous alcohol injected into the lower segment of sternocleidomastoid muscle. The range was an approximate 2 cm2 parallelogram areas, a nearly 18 degree angle of the upper part of the sternum, with a height of about 2.3 cm and a width of about 0.85 cm. Conclusion This experiment provides an anatomical basis for establishment of congenital torticollis model, and effectively improves the success rate of modeling.
Congenital torticollis / Sternocleidomastoid muscle / Applied anatomy
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