Muscles of pharyngeal group

Question 1

Answer 1

Trapezius

Origin - Superior nuchal line of occipital bone, ligamentum nuchae and spines of c7-t12

Insertion - clavicle and acromion and spine of scapula

Action - upward rotate scapula, adduct scapula, depress and upward rotate scapula

innervation Accessory nerve (XI) and spinal nerves c3-c5

Question 2

sternocleidomastoid

Answer 2

sternum clavicle and mastoid process