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anatomy - R.J.
musles of the neck - R.J.
Muscles | Origin | Insertion | Action | |
---|---|---|---|---|
Geniohyoid | -mandible | -hyoid | -draws hyoid and tongue anteriorly; raises hyoid | suprahyoid muscle |
Sternohyoid | -sternum;clavicle | -hyoid | -depresses hyoid | infrahyoid muscle |
Sternothyroid | -sternum | -thyroid cartilage | -draws thyroid cartilage (larynx) inferiorly | infrahyoid muscle |
Thyrohyoid | -thyroid cartilage | -hyoid | -draws hyoid inferiorly | infrahyoid muscle |
Omohyoid | -scapula;clavicle (by tendon) | -hyoid | -draws hyoid inferiorly | infrahyoid muscle |
Sternocleidoastoid | -sternum; clavicle | -temporal (mastoid) | -flexes head and neck; laterally rotates head | |
Digastric | -mandible (ant. belly) -temporal, mastoid (post. belly) | -by tendon to hyoid | -raises hyoid & depresses mandible to open mouth | Suprahyoid muscle |
Stylohyoid | -temporal | -hyoid | -raises hyoid | suprahyoid muscle |
Mylohyoid | -mandible | -hyoid | -raises hyoid & floor of mouth, forcing food back | suprahyoid muscle |