Sternocleidomastoid muscleClavicleInferior belly of omohyoid muscleAcromion ofscapulaTrapezius muscleAnterior scalene muscleMiddle scalene musclePosterior scalene muscleLevator scapulae muscleSplenius capitis muscle
Fig. 8.185 External jugular vein in the posterior triangle of the neck.
Fig. 8.186 Arteries in the posterior triangle of the neck.