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Neuro Exam 1 > Muscles of the Neck > Flashcards

Muscles of the Neck Flashcards

1
Q

What is the Action and Innervation for Trapezius M?

A

A: Extends neck bilaterally

Unilaterally: Laterally flexes neck and rotates face away

N: Spinal accessory N

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2
Q

What is the Action and Innervation for Sternocleidomastoid?

A

A: Extends neck at atlantooccipital joint (bilaterally)

Flexes remaining neck (bilaterally)

Unilaterally: laterally flexes neck and rotates face away

N: Spinal Accessory N

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3
Q

What is the Action and Innervation for Levator Scapulae?

A

A: Extends neck (bilaterally)

Laterally flexes neck (unilaterally)

N: Dorsal Scapular N

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4
Q

What is the Action and Innervation for Splenius Capitus?

A

A: Extends neck (bilaterally)

Laterally flexes neck and rotates face toward (unilaterally)

N: Posterior Rami C3-C5

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5
Q

What is the Action and Innervation for Anterior Scalene M?

A

A: Flexes neck (bilaterally)

Laterally flexes neck (unilaterally)

Elevates first rib

N: Anterior Rami C4-C6

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6
Q

What is the Action and Innervation for Middle Scalene M?

A

A: Flexes neck (bilaterally)

Laterally flexes neck (unilaterally)

Elevates first rib

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7
Q

What is the Action and Innervation for Posterior Scalene M?

A

A: Laterally flexes neck (unilaterally)

Elevates 2nd rib

N: Anterior Rami C6-C8

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8
Q

What is the Action and Innervation for Myohyoid M?

A

A: Elevates hyoid B

Elevates floor of mouth and tongue

N: Nerve to Myohyoid

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9
Q

What is the Action and Innervation for Geniohyoid M?

A

A: Elevates Hyoid B

Shortens floor of mouth

Widens pharynx

N: C1 via hypoglossal N

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10
Q

What is the Action and Innervation for Diagastric M?

A

A: Elevates hyoid B

Steadies hyoid B

Depresses Mandible

N: Anterior belly - N to myohyoid

Posterior belly - Facial N

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11
Q

What is the Action and Innervation for Stylohyoid M?

A

A: Elevates hyoid B

Retracts hyoid B

Elongates floor of mouth

N: Facial N

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12
Q

What is the Action and Innervation for Sternohyoid M?

A

A: Depresses hyoid B

N: Ansa Cervicalis (C1-C3)

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13
Q

What is the Action and Innervation for Sternothyroid M?

A

A: Depresses thyroid cartilage

N: Ansa cervicalis (C2-C3)

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14
Q

What is the Action and Innervation for Thyrohyoid M?

A

A: Depresses hyoid B

Elevate thyroid carilage

N: C1 via hypoglossal N

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15
Q

What is the Action and Innervation for Omohyoid M?

A

A: Depresses hyoid B and retracts hyoid B

N: Ansa Cervicalis C1-C3

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16
Q

What is the Action and Innervation for Platysma M?

A

A: Draws corner of the mouth inferiorly

Draws skin of neck superiorly

N: Cervical branch of facial N

17
Q

What is the Action and Innervation for Rectus capitus posterior major M?

A

A: Extends head and rotates face toward

N: Suboccipital N (posterior ramus 1st cervical spine n)

18
Q

What is the Action and Innervation for Rectus capitis posterior minor M?

A

A: Extends head

N: Suboccipital N (posterior ramus 1st cervical spinal N)

19
Q

What is the Action and Innervation for Obliquus superior M?

A

A: Extends head and laterally flexes head

N: Suboccipital N (posterior ramus 1st cervical spinal N

20
Q

What is the Action and Innervation for obliquus campitis inferior M?

A

A: Rotates face toward

N: suboccipital N (posterior ramus 1st cervical spinal n)

21
Q

What is the Action and Innervation for Superior pharyngeal constrictor M?

A

A: Constricts pharyngeal wall

N: Pharygneal branch of the vagus N

22
Q

What is the Action and Innervation for Middle Pharyngeal constrictor M?

A

A: Constricts pharyngeal wall

N: Phayngeal branch of vagus nerve

branches of recurrent laryngeal N

23
Q

What is the Action and Innervation for inferior pharyngeal constrictor M?

A

A: Constricts pharyngeal wall

N: Phayngeal branch of vagus nerve

branches of recurrent laryngeal N

24
Q

What is the Action and Innervation for Palatopharyngeus M?

A

A: Elevates the pharynx

Elevates the larynx

N: Pharyngeal branch of vagus N

25
Q

What is the Action and Innervation for Salipingopharyngeus M?

A

A: Elevates pharynx

Elevates larynx

N: Pharyngeal branch of vagus N

26
Q

What is the Action and Innervation for stylopharyngeus M?

A

A: Elevates pharynx and Elevates larynx

N: Glossopharyngeal N

27
Q

What is the Action and Innervation for Cricothyroid M?

A

A: Stretches vocal l.

Tenses vocal l.

N: External laryngeal N

28
Q

What is the Action and Innervation for posterior cricoarytendoid M?

A

A: Abducts vocal fold

N: Recurrent laryngeal N

29
Q

What is the Action and Innervation for Lateral cricoarytenoid M?

A

A: Adducts vocal fold

N: Reccurent Laryngeal N

30
Q

What is the Action and Innervation for Transverse and oblique Arytenoid M?

A

A: Adducts arytendoid cartilage

closes intercartilaginous part of rima glottids

N: Reccurent laryngeal N

31
Q

What is the Action and Innervation for Thyroarytendoid M?

A

A: Relaxes vocal l.

N: Reccurent laryngeal N

32
Q

What is the Action and Innervation for Vocalis M?

A

A: Relaxes posterior part of Vocal l.

Tenses anterior part of vocal l.

N: Reccurent laryngeal N

33
Q

What is the Action and Innervation for Longus Colli M?

A

A: Flexes neck (bilaterally)

Laterally flexes neck (unilaterally)

Rotates face away

N: Anterior rami C2-C6

34
Q

What is the Action and Innervation for Longus Capitis M?

A

A: flexes neck (bilaterally)

Laterally flexes neck (unilaterally)

N: Anterior Rami C1- C3

35
Q

What is the Action and Innervation for Rectus Capitis Anterior M?

A

A: Flexes atlanooccipital joint

N: Anterior rami C1-C2

36
Q

What is the Action and Innervation for Rectus Capitis Lateralis M?

A

A: Laterally flexes atlantooccipital joint

N: Anterior rami C1-C2

Neuro Exam 1 (3 decks)

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