1. The semicircular canals K(ii) Musculo-skeletal structures in the neck (Questions 309-311) 309 The

1. The semicircular canals K(ii) Musculo-skeletal structures in the neck (Questions 309-311) 309 The atias (i) forms an ellipsoidal articulation with the skull. (ii) has transverse processes palpable between the mastoid process and the angle of the mandible. (iii) is the widest cervical vertebra. (iv) is involved in both nodding and rotational movements. 2. The stemocleidomastoid muscle (i) is supplied by the accessory nerve and the 2nd and 3rd cervical nerves. (ii) flexes the neck and rotates the face to the opposite side. (iii) has two heads. (iv) lies medial to the phrenic nerve.