Origins/Insertions Flashcards
Sternocleidomastoid
O=Mastoid process, Lateral superior nuchal line of occipital bone
I=Manubrium, Medial superior 1/3 of clavicle
Platysma
O=Inferior mandible, subcutaneous tissue of lower face
I=Fascia above pectoralis major and deltoid
Mylohyoid
O=Mylohyoid line of the mandible
I=Body of hyoid
Geniohyoid
O=Mental spine of the mandible
I=Body of hyoid
Stylohyoid
O=Styloid process
I=Body of hyoid
Digastric–Anterior belly
O=Digastric fossa of the mandible
I=Greater horn of hyoid
Digastric–Posterior belly
O=Mastoid notch of temporal bone
I=Greater horn of hyoid
Sternohyoid
O=Manubrium and medial clavicle
I=Body of hyoid
Omohyoid
O=Superior scapula near suprascapular notch
I=Inferior body of hyoid
Sternothyroid
O=Posterior manubrium
I=Oblique thyroid cartilage
Thryohyoid
O=Oblique thyroid line
I=Inferior body of hyoid and great horn
Anterior scalene
O=Anterior tubercles of the transverse processes of C3-C6
I=1st rib
Middle scalene
O=Posterior tubercles of transverse processes of C4-C7
I=1st rib
Posterior scalene
O=Posterior tubercles of transverse processes of C4-C6
I=2nd rib
Temporalis
O=Temporal fossa and temporal fascia
I=Coronoid process and anterior ramus of mandible
Masseter
O=Maxillary process of zygomatic bone; zygomatic arch
I=Angle and lateral ramus of mandible