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Bioscience 5 > Bioscience 5 muscles > Flashcards

Bioscience 5 muscles Flashcards

1
Q

Temporalis proximal attachment

A

Floor of temporal fossa - up to inferior temporal line

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2
Q

Temporalis distal attachment

A

coronoid process of mandible

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3
Q

Temporalis action

A

elevate and retract mandible

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4
Q

Temporalis nerve supply

A

Mandibular division of trigemenal nerve

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5
Q

Masseter proximal attachment

A

Zygomatic bone and Zygomatic arch

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6
Q

Masseter distal attachment

A

Angle of mandible and lateral side of ramus of mandible

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7
Q

Masseter action

A

Elevates mandible and assists protrusion

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8
Q

Masseter nerve supply

A

Mandibular division of trigemenal nerve

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9
Q

Lateral Pterygoid proximal attachment

A

greater wing of sphenoid and lateral surface of lateral pterygoid plate

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10
Q

Lateral Pterygoid distal attachment

A

Neck of mandible and disc

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11
Q

Medial Pterygoid proximal attachment

A

Medial surface of lateral pterygoid plate, palatine and maxilla

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12
Q

Medial Pterygoid distal attachment

A

medial surface of ramus of mandible

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13
Q

Medial Pterygoid action

A

Bilateral: Elevates and assist in protrusion. Unilateral: Producing grinding movements

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14
Q

Sternocleidomastoid inferior attachment

A

Manubrium of sternum and medial 1/3 of clavicle

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15
Q

Sternocleidomastoid superior attachment

A

Mastoid process of temporal bone

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16
Q

sternocleidomastoid nerve supply

A

Accessory nerve CN XI and c2, c3 pain and proprioception

17
Q

Trapezuis distal attachment

A

Lateral 1/3 of clavicle, acromion and spine of scapula

18
Q

Trapezius proximal attachment

A

Medial 1/3 superior nuchal line, external occipital protuberance, nuchal ligament, C7 - T12 spinous processes

19
Q

Trapezius action

A

Elevate, retracts and rotates scapulae inferiorly

20
Q

levator scapulae inferior attachment

A

superior part of medial border of scapula

21
Q

Levator scapulae superior attachment

A

C1 - C4 transverse processes

22
Q

Latissimus dorsi proximal attachment

A

Spinous processes T7-T12, Thoracolumbar fascia, iliac crest, inferior ribs 3-4

23
Q

Latissimus dorsi distal attachment

A

Floor of bicipital groove of humerus

24
Q

Latissimus dorsi nerve supply

A

Thoracodorsal nerve

25
Q

Latissimus dorsi action

A

Extends, adducts and medially rotates humerus

26
Q

Middle scalene superior attachment

A

Posterior tubercles of C5 - C7

27
Q

Middle Scalene inferior attachment

A

1st rib, posterior to subclavian groove

28
Q

Middle Scalene action

A

Side bending, elevation of 1st rib during forced inspiration

29
Q

Posterior Scalene superior attachment

A

Posterior tubercles C5 - C7

30
Q

Posterior Scalene inferior attachment

A

External border of 2nd rib

31
Q

Posterior scalene action

A

side bending of neck, elevation of 2nd rib during forced inspiration

Bioscience 5 (1 decks)

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