Result:The blood supply of the trapezius muscle was based on both the transversal cervical artery and the dorsal scapular artery,and the r homboideus muscle was based on the dorsal scapular artery.

• 结果：斜方肌接受颈横动脉和肩胛背动脉的双重血供，菱形肌接受肩胛背动脉的血供。