level: Muscles of Pharyngeal Group
Questions and Answers List
level questions: Muscles of Pharyngeal Group
| Question | Answer |
|---|---|
| Trapezius | Origin: Occipital bone and Spinous Process (cervical and thoracic) Insertion: Spine and Acromion Process (of scapula, clavicle) Action: superior- elevates scapula (shrugging), Medial- Adduction/retraction of scapula, inferior: Depress scapula Innervation: Accessory Nerve (Cranial Nerve Xl) |
| Sternocleidomastoid | Origin: Manubrium of sternum and clavicle Insertion: Mastoid Process (temporal Bone) Action: flexes neck in direction of contracting muscles (unilaterally), flexes neck (bilaterally) Innervation: Accessory Nerve (Cranial Nerve Xl) |