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NRSG 203 > Muscles of the Head, Neck, and Abdomen > Flashcards

Muscles of the Head, Neck, and Abdomen Flashcards

1
Q

Epicranius

A
  • From frontal to occipital bones
  • Raises eyebrows
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2
Q

Masseter

A
  • Zygomatic to mandible
  • Prime mover of jaw closure
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3
Q

Temporalis

A
  • Temporal bone
  • Closes jaw
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4
Q

Buccinator

A
  • Cheeks
  • Check compression
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5
Q

Zygomaticus

A
  • zygomatic bone
  • lifts corners of the mouth
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6
Q

Orbicularis Oculi

A
  • Maxilla and frontal bones
  • Closes the eye
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7
Q

Orbicularis Oris

A
  • Near the mouth
  • Closes and protrudes lips
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8
Q

Pterygoid Muscles

A
  • Mandible
  • lateral movement of mandible
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9
Q

Platysma

A
  • Shallow
  • Upper chest to mandible
  • Drawing mouth downward
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10
Q

Sternocleidomastoid

A
  • Sternum and clavicle
  • Side to side and toward chest head movements
  • Pulls sternum upward
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11
Q

Digastric

A
  • Jaw
  • Opens mouth
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12
Q

Splenius Muscles

A
  • Neck and base of the skull
    -Rotation and tilting of the head
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13
Q

Scalenes

A
  • Neck and first ribs
    Flexion and rotation of the neck
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14
Q

Suprahyoid

A
  • Base for tongue
  • Aid swallowing
  • stabilize hyoid bone
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15
Q

Infahyoid

A
  • Base for tongue
  • Aid swallowing
  • Stabilize hyoid bone
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16
Q

External Intercostals

A
  • Between ribs
  • lift the ribcage during inhalation
17
Q

Internal Intercostals

A
  • Between ribs
  • Drop the ribcage during exhalation
18
Q

Diaphragm

A
  • Beneath the lungs
  • Flattens as it contracts, increasing thoracic cavity volume
19
Q

Erector Spinae

A
  • Spinal column
  • Bilateral flexion extends the spine
  • Unilateral flexion bends the Spine laterally
20
Q

Rectus Abdominus

A
  • Abs
  • Flexion b/w ribcage and pelvis (situps)
21
Q

External Obliques

A
  • Flat muscle sheet on the side of the ribcage
  • Rotation and lateral bending of the trunk
22
Q

Internal Obliques

A
  • Flat muscle sheet below the ribcage
  • Flexion, lateral flexion, and rotation of the trunk
23
Q

Transverse Abdominus

A
  • Flat muscle sheet deep to internal obliques
  • Maintain abdominal tension, support internal organs
24
Q

Pelvic Floor Muscles

A
  • Levator ani
  • Coccygeus
  • Support pelvic organs

NRSG 203 (19 decks)

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