Studied by 20 peopleWhat is the name of this muscle?
Galea Aponeurotica
What is the Origin of Galea Aponeurotica?
occipital bone
What is the Insertion of Galea Aponeurotica?
skin around eyes
What is the Action of Galea Aponeurotica?
elevates eyebrow
What is the Innervation of Galea Aponeurotica?
Facial nerve
What is the name of this muscle? (Blue)
Orbicularis Oculi
What is the Origin of Orbicularis Oculi?
Maxilla and frontal bone
What is the Insertion of Orbicularis Oculi?
Skin around eye
What is the Action of Orbicularis Oculi?
closes eye
What is the Innervation of Orbicularis Oculi?
Facial nerve
What is the name of this Muscle? (A)
Zygomaticus Major
What is the Origin of the Zygomaticus Major?
Zygomatic bone
What is the Insertion of the Zygomaticus Major?
Skin and muscle at corner of mouth
What is the action of the Zygomaticus Major
smiling
What is the Innervation of the Zygomaticus Major
Facial nerve
What is the name of this Muscle? (B)
Zygomaticus Minor
What is the Origin of Zygomaticus Minor?
Zygomatic bone
What is the Insertion of the Zygomaticus Minor?
skin and muscle at corner of mouth
what is the Action of the Zygomaticus Minor?
smiling
What is the Innervation of Zygomaticus Minor?
Facial nerve
What is the name of this Muscle?
Orbicularis Oris
What is the Origin of the Orbicularis oris?
muscles near the mouth
What is the Insertion of Orbicularis Oris?
Skin of central lip
What is the Action of the Orbicularis Oris?
closes lips; kissing
What is the Innervation of Orbicularis Oris?
Facial nerve
What is the name of this Muscle? (A)
Buccinator
What is the Origin of the Buccinator?
Alveolar processes of maxilla and mandible
What is the Insertion of the Buccinator?
Orbicularis Oris
What is the Action of the Buccinator
compresses cheeks
What is the Innervation of the Buccinator?
Facial nerve
What is the name of this Muscle? (Blue)
Platysma
What is the Origin of the Platysma?
Fascia in upper chest
What is the Insertion of the Platysma?
skin and muscles below mouth; mandible
What is the Action of the Platysma?
Depresses lower lip and angle of mouth as when pouting
What is the Innervation of the Platysma?
Facial nerve
What is the name of this Muscle? (B)
Masseter
What is the origin of the Masseter?
Zygomatic arch
What is the Insertion of the Masseter?
Lateral surface ramus of mandible
What is the Action of Masseter?
elevates and protracts mandible
What is the Innervation the Masseter?
Trigeminal nerve
What is the name of this Muscle?
Temporalis
What is the Origin of the Temporalis?
Temporal bone
What is the Insertion of the Temporalis?
coronoid process of ant. ramus of the mandible
What is the Action of the Temporalis?
Elevates and retracts mandilble
What is the Innervation of the Temporalis?
Trigeminal nerve
What is the name of this muscle?
Sternocleidomastoid
What is the Origin of the Sternocleidomastoid?
Ant. surface of sternum & upper surface of clavicle
What is the Insertion of the Sternocleidomastoid?
Mastoid process of temporal bone
What is the Actions of Sternocleidomastoid?
Laterally flexes neck on same side; together pull head forward and down
What is the Innervation of Sternocleidomastoid?
Accessory, C2 and C3 cervical nerves
What is the name of these muscles from left to right?
Posterior, Middle, Anterior Scalenes
What is the Origin of the Scalene?
Transverse processes of cervical vertebrae
What is the Insertion of the Scalene?
Superior and lateral surfaces of first two ribs
What is the Individual Action of the Scalene?
Laterally flexes head and neck to the same side
What is the Together Action of the Scalene?
Elevate first two ribs during forceful inhalation
What is the Innervation of the Scalene?
Cervical spinal nerves
What is the name of this muscle?
Splenius Capitis
What is the Origin of the Splenius Capitis?
Ligamentum Nuchae and Spinous Process of the seventh cervical and upper thoracic vertebrae
What is the Insertion of the Splenius Capitis?
Occipital bone
What is the Individual Action of the Splenius Capitis?
Rotates head to the same side
What is the Together Action of the Splenius Capitis?
Brings head to an upright position
What is the Innervation of the Splenius Capitis?
Cervical Nerves
What is the name of this Muscle?
Quadratus lumborum
What is the Origin of the Quadratus lumborum?
Iliac crest
What is the Insertion of the Quadratus lumborum?
Upper lumbar vertebrae and twelfth rib
What is Action of the Quadratus lumborum?
Extends lumbar region of vertebral column
What is the Innervation of the Quadratus lumborum?
Thoracic nerves
What are the names of these muscles from top to bottom?
Iliocostalis Cervicis, Thoracis, Lumborum
What is the name of this Muscle?
Trapezius
What is the Origin of the Trapezius?
Occipital bone, ligamentum nuchae, and spinous processes of seventh cervical and all thoracic vertebrae
What is the Insertion of the Trapezius?
Clavicle, Spine, and Acromion process of Scapula
What is the Action of the Trapezius?
Rotates and retracts Scapula, Superior portion elevates scapula, Inferior portion depresses scapula
What is the Innervation of the Trapezius?
Accessory Nerve
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