Muscle- Neck Flashcards
digastric (anterior belly only)
O: mandible
I: hyoid
A: elevate & stabilize hyoid and deglutition
mylohyoid
O: mandible
I: hyoid
A: forms the floor of the oral cavity, elevate hyoid, and deglutition
omohyoid
O: superior border of scapula
I: hyoid
A: depress hyoid
sternohyoid
O: sternum
I: hyoid
A: depress hyoid
sternothyroid
O: sternum
I: thyroid cartilage
A: depress hyoid
thyrohyoid
O: thyroid cartilage
I: hyoid
A: depress hyoid
platysma
A: tense skin of neck and depress mandible
anterior scalene
O: anterior tubercle cervical vertebrae
I: rib 1
A: lateral flexion of neck and elevate rib 1
middle scalene
O: posterior tubercle cervical vertebrae
I: rib 1
A: lateral flexion of neck and elevate rib 1
posterior scalene
O: posterior tubercle of cervical vertebrae
I: rib 2
A: lateral flexion of neck and elevate rib 2
sternocleidomastoid (SCM)
O: manubrium & sternal end of clavicle
I: mastoid process
A: lateral flexion of neck and rotate neck to opposite side
