Muscles Flashcards

1
Q

Sternocleidomastoid origin

A

Sternal head -> top of the manubrium
Clavicular head -> medial third of the clavicle

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2
Q

Sternocleidomastoid insertion

A

Mastoid process of the temporal bone and the lateral portion of the superior nuchal line of the occiput.

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3
Q

Sternocleidomastoid actions

A

Bilaterally flexes the neck and assists to elevate the rib cage during inhalation. Unilaterally rotates the head and neck to the opposite side and laterally flexes the head and neck.

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4
Q

Rotation of the head and neck occurs at which joints?

A

The spinal joints.

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5
Q

Lateral flexion of the head and neck occurs at which joints?

A

Spinal joints.

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6
Q

Sternocleidomastoid innervation

A

Spinal accessory nerve (C2&3)

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7
Q

Sternocleidomastoid trigger point referral patterns

A

The sternal head is above the eye and the clavicular head is aboves the eyes and on the ear.

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8
Q

Anterior scalene origin

A

Tranvserse processes of C3-C6

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9
Q

Anterior scalene insertion

A

First rib

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10
Q

Anterior scalene actions

A

Bilaterally elevate the ribs during inhalation and flex the head and neck. Unilaterally rotate the head and neck to the opposite side and laterally flex the head and neck.

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11
Q

Anterior scalene innervation

A

Cervical spinal nerves

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12
Q

Scalene trigger point referral patterns

A

Shoulder, pectorals, medial scapula

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13
Q

Middle scalene origin

A

Transverse processes of C2-C7

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14
Q

Middle scalene insertion

A

First rib

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15
Q

Middle scalene actions

A

Bilaterally elevate the ribs during inhalation. Unilaterally rotate the head and neck to the opposite side and laterally flex the head and neck.

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16
Q

Middle scalene innervation

A

Cervical spinal nerves.

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17
Q

Posterior scalene origin

A

Transverse processes of C6-C7

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18
Q

Posterior scalene insertion

A

Second rib

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19
Q

Posterior scalene actions

A

Bilaterally elevates the ribs during inhalation. Unilaterally rotates the head and neck to the opposite side and laterally flexes the head and neck.

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20
Q

Posterior scalene innervation

A

Cervical spinal nerves

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21
Q

Path of the brachial plexus

A

Between the anterior and middle scalenes.

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22
Q

Levator scapula origin

A

Transverse processes of C1-C4

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23
Q

Levator scapula insertion

A

Medial border of the scapula between the superior angle and the superior portion of the spine of the scapula.

24
Q

Levator scapula actions

A

Bilaterally extends the head and neck. Unilaterally elevates and downwardly rotates the scapula, rotates the head and neck to the same side and laterally flexes the head and neck.

25
Q

Actions of the scapula occur at which joint?

A

Scapulothoracic joints

26
Q

Levator scapula innervation

A

Cervical spinal nerves and dorsal scapular nerve.

27
Q

Levator scapula trigger point referral patterns

A

All over the neck and shoulders.

28
Q

Which muscle is problematic for office workers?

A

Levator scapula

29
Q

Direction for rotation of the scapula refers to which landmark?

A

The acromion.

30
Q

Downward rotation of the scapula looks like what?

A

Outward rotation of the scapula.

31
Q

Splenius capitis origin

A

Inferior half of the ligamentum nuchae and the spinous processes of C7 to T4.

32
Q

Splenius capitis insertion

A

Mastoid process and lateral portion of the superior nuchal line

33
Q

Splenius capitis actions

A

Bilaterally extend the head and neck. Unilaterally rotate the head and neck to the same side, laterally flex the head and neck.

34
Q

Splenius capitis innervation

A

Cervical nerves

35
Q

Splenius capitis trigger point referral patterns

A

The top of the head

36
Q

Trapezius origin

A

External occipital protuberance, the medial portion of the superior nuchal line of the occiput, the ligamentum nuchae and the spinous processes of C7-T12.

37
Q

Trapezius insertion

A

Lateral third of the clavicle, the acromion process and the spine of the scapula.

38
Q

Trapezius actions, upper fibers

A

Bilaterally extend the head and neck, laterally flex the heack and neck, elevate and upwardly rotate the scapula.

39
Q

Trapezius actions, middle fibers

A

Adduct/retract the scapula and stabilize the scapula at the scapulothoracic joint.

40
Q

Trapezius actions, lower fibers

A

Depress and upwardly rotate the scapula at the scapulthoracic joint.

41
Q

Trapezius innervation

A

Spinal portion of cranial nerve 11 (accessory nerve) and the ventral rami of C2-C4.

42
Q

Trapezius trigger point referral patterns

A

The temples and acromion.

43
Q

Rhomboid major origin

A

Spinous processes of T2-T5

44
Q

Rhomboid major insertion

A

Medial border of the scapula, between the spine of the scapula and the inferior angle.

45
Q

Rhomboid innervation

A

Dorsal scapular nerve (C4&5)

45
Q

Which muscles retract the scapula?

A

The rhomboids and middle trapezius.

46
Q

Rhomboid actions

A

Adduct (retract), elevate and downwardly rotates the scapula at the scapulothoracic joints.

47
Q

Sternocleidomastoid plapation key

A

Client supine, contralaterally rotate and lift the head and neck off of the table.

48
Q

Scalene palpation key

A

Drop laterally off of the SCM, then have client take short, quick breaths through the nose.

49
Q

Levator scapula palpation key - seated

A

Hand in small of back, resist elevation of the scapula.

50
Q

Levator scapula palpation key - prone

A

Locate superior angle of scapula, strum across fibers just above superior angle.

51
Q

Splenius capitis palpation key

A

Client seated with head rotated ipsilaterally. Resist extension of the head and neck.

52
Q

Trapezius palpation key

A

Client prone, instruct them to “fly like an airplane.”

53
Q

Rhomboid palpation key

A

Client’s hand in the small of their back, have them lift their hand away from their back.

54
Q

Rhomboid minor origin

A

Spinous processes of C7-T1

55
Q

Rhomboid minor insertion

A

Upper portion of the the medial border of the scapula, across from the spine of the scapula.