click below
click below
Normal Size Small Size show me how
Head and Neck muscle
| Muscle | origin | insertion | action |
|---|---|---|---|
| Frontal Occipitofrontalis | epicranial aponeurosis | supraorbital margin of frontal bone | raises eyebrows |
| occipital occipitofrontalis | occipital bone and mastoid process of temporal bone | epicranial aponeurosis | draws scalp posteriorly |
| temporalis | temporal bone | coronoid process of mandible | elevate mandible |
| masseter | zygomatic arch | ramus and body of mandible | elevate mandible |
| mylohyoid | deep surface of mandible | hyoid | depress mandible |
| platysma | below mandible | inferior border of mandible | elevate hyoid and depress mandible |
| digastric | inferior mandible and temporal bone | hyoid bone | depress mandible |
| sternocleidomastoid | sternum and clavicle | mastoid process of temporal bone | flex neck |
| omohyoid | coracoid process of scapula | hyoid | depress hyoid |
| sternohyoid | sternum | hyoid | depress hyoid |
| sternothyroid | sternum | thyroid cartilege | depress hyoid |
| thyrohyoid | thyroid cartilege | hyoid | depress hyoid |
| levator scapulae | cervical vertebrae | superior border of scapula | scapula elevator |
| trapezius | spinous processes of cervical and thoracic vertebrae | scapula and clavicle | fixate scapula |