Muscles PDNA Flashcards
Platysma
P:Inferior border of the mandible Skin
D:Fascia of the superior pec major and deltoid (skin
N:CN 7
A:Facial expression
Trapezius
P:Nuchal ligament, occipital protuberance, spinous processes of thoracic vertebra
D:Lateral 1/3 of the clavicle, acromion, spine of the scapula
N:CN 11
A:Unilateral: ABD, ADD, rotation
Bilateral: EX
Sternocleidomastoid
P:Mastoid process of the temporal bone D:Manubrium of the sternum and clavicle N:CN 11 A:Unilateral: ABD, ADD, rotation Bilateral: EX (superior), FL (inferior)
Mylohyoid
P:Mandible
D:Hyoid and connective tissue line (raphe)
N:CN 5
A:Elevate and protract hyoid Elevate larynx
assist in swallowing and vocal
Geniohyoid
P:Mandible D:Hyoid N:Cervicle plexus CN1-C4 A:Elevate and protract hyoid Elevate larynx assist in swallowing and vocal
Stylohyoid
P:Styloid process of the temporal bone D:Hyoid N:CN 7 A:Elevate and retract hyoid Elevate larynx assist in swallowing and vocal
Anterior Digastric
P:Mandible D:Hyoid N:CN 5 A:Elevate and protract hyoid Elevate larynx assist in swallowing and vocal
Posterior Digastric
P:Mastoid process of the temporal bone D:Hyoid N:CN 7 A:Elevate and retract hyoid Elevate larynx assist in swallowing and vocal
Sternohyoid
P:Hyoid
D:Manubrium of sternum
N:Ansa cervicalis (C1-C3)
A:Depress hyoid and larynx for breathing and sound modification.
Omohyoid
P:Hyoid
D:Clavicle and scapular notch
N:Ansa cervicalis (C1-C3)
A:Depress hyoid and larynx for breathing and sound modification. (could protract and elevate the scapular but likely does not)
Sternothyroid
P:Thyroid cartilage
D:Manubrium of sternum
N:Ansa cervicalis (C1-C3)
A:Depress hyoid and larynx for breathing and sound modification.
Thyrohyoid
P:Hyoid
N:Thyroid cartilage
N:Cervicle plexus
A:Depress hyoid and larynx for breathing and sound modification.
Longus coli
Upper attach: superior cervical vert./bodies»_space;> middle cervical vert./transverse p.
Lower attach: middle cervical vert./transverse p.»_space;> infer cervical, superior thoracic vert./bodies
N:Cervical plexus
A:Unilateral: ABD, ADD, rotation
Bilateral: FL
Longus capitis
P:Medial occipital bone D:Transverse processes of middle cervical vertebra N:Cervical plexus A:Unilateral: ABD, ADD, rotation Bilateral: FL Atlanto-occipital: FL
Rectus capitis anterior
X P:Medial occipital bone D:Lateral mass of the atlas N:Cervical plexus A:Stabilization and proprioception of atlanto-occipital joint; Unilateral: ABD, ADD, rotation Bilateral: FL Atlanto-occipital: FL
Rectus capitis lateralis
X P:Lateral occipital bone D:Transverse process of the atlas N:Cervical plexus A:Stabilization and proprioception of atlanto-occipital joint; Unilateral: ABD, ADD, rotation Bilateral: FL Atlanto-occipital: EX
Anterior scalene
P:Transverse processes of middle and lower cervical vertebra D:Medial 1st rib N:Cervical plexus A:Elevate ribs for inspiration; Unilateral: ABD, ADD, rotation Bilateral: FL
Middle scalene
P:Transverse processes of lower cervical vertebra D:Lateral 1st rib N:Cervical plexus A:Elevate ribs for inspiration; Unilateral: ABD, ADD, rotation Bilateral: FL
Posterior scalene
P:Transverse processes of lower cervical vertebra D:2nd rib N:Cervical plexus A:Elevate ribs for inspiration; Unilateral: ABD, ADD, rotation Bilateral: FL
Cricothyroid
X
N:CN 10
A:Tightens vocal cords
Thyro-arytenoid
X
N:CN 10
A:Slides the arytenoid forward to loosen the vocal cords
Posterior crico-arytenoid
X
N:CN 10
A:Opens vocal cords
Lateral crico-arytenoid
X
N:CN 10
A:Closes vocal cords
Transverse and oblique arytenoid
X
N:CN 10
A:Closes the vocal cords
Vocalis
X P:Thyroid cartilage D:Arytenoid cartilage N:CN 10 A:Loosens the vocal cords