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22 Cards in this Set
- Front
- Back
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Frontalis*
Origin: Galea Aponeurotica Insertion: Skin of eyebrows, root of nose Action: raises eyebrows, wrinkles forehead Innervation: Facial Nerve 7 |
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Occipitalis*
Origin: Occipital, Temporal bone Insertion: Galea aponeurotica Action: Pulls scalp posteriorly Innervation: Facial Nerve 7 |
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Orbicularis Oculi*
Origin: Frontal, Maxillary bone Insertion: Tissue of eyelid Action: blinking, squinting Innervation: Facial Nerve 7 |
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Buccinator*
Origin: Maxilla and Mandible Insertion: Orbicularis oris Action: compress cheek to whistle Innervation: Facial Nerve 7
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Orbicularis oris*
Origin: Indirectly from Maxilla and Mandible Insertion: skin, muscles at lateral mouth Action: closes and purses lips to kiss Innervation: Facial Nerve 7 |
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Mentalis*
Origin: Mandible Insertion: skin of chin Action: protrudes lower lip Innervation: Facial Nerve 7 |
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Masseter*
Origin: Zygomatic arch Insertion: Mandible Action: Elevates Mandible Innervation: Trigeminal nerve 5 |
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Temporalis*
Origin: Occipital, Temporal bones Insertion: Mandible Action: Elevates Mandible Innervation: Trigeminal nerve 5 |
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Splenius*
Origin: Vertebrae C7–T6 Insertion: Temporal, Occipital bone Action: Extend the neck, rotate/bend head toward the same side Innervation: Spinal Nerves |
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Sternocleidomastoid*
Origin: Sternum, Clavicle Insertion: Mastoid process of Temporal bone Action: Flex head, rotate head toward opposite shoulder Innervation: Accessory Nerve 11 |
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Semispinalis*
Origin: Vertebrae C7–T12 Insertion: Occipital bone, Thoracic Vertrbrae to T4 Action: Extends vertebral column and head, rotates to opposite side Innervation: Spinal Nerves |
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Longissimus
(Intermediate Erector spinae group) Origin: Lumbar through cervical vertebrae Insertion: Thoracic through cervical vertebrae and rib Action: Extend and laterally flex vertebral column Innervation: Spinal Nerves |
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External Intercostals*
Origin: Inferior border of the rib above Insertion: Superior border of rib below Action: Elevates rib cage, assists in forced inspiration Innervation: Intercostal nerves |
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Internal Intercostals*
Origin: Superior border of rib below Insertion: Inferior border of rib above Action: Depress the rib cage, assists in forced expiration Innervation: Intercostal Nerves |
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Pectoralis Minor*
Origin: Ribs 3–5 Insertion: Scapula Action: Stabilizes scapula by pulling it forward and downward Innervation: Pectoral Nerves |
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Serratus Anterior*
Origin: Ribs 1–8 Insertion: Scapula Action: Protracts and hold scapula against the thoracic wall Innervation: Long thoracic nerve |
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Trapezius*
Origin: Superior nuchal line, ligamentum nuchae, and vertebra C7–T12 Insertion: Clavicle, Scapula Action: Elevates, retracts, rotates scapula Innervation: Accessory Nerve 11 |
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Levator scapulae*
Origin: Vertebrae C1–C4 Insertion: Scapula Action: Elevates scapula Innervation: Cervical spine nerve and dorsal scapular nerve |
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Rhomboids*
Origin: Vertebrae C7–T5 Insertion: Scapula Action: Retracts and stabilizes scapula Innervation: Dorsal scapular nerve |
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External abdominal obliques*
Origin: Lower 8 ribs Insertion: Linea alba Action: Rotates vertebral column and compresses abdominal contents Innervation– Intercostal nerves |
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Internal abdominal obliques*
Origin: Iliac Crest Insertion: Linea alba Action: Rotates vertebral column, compresses abdominal contents Innervation: Intercostal nerves |
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Rectus Abdominus*
Origin: Pubis Insertion: Xiphoid process and ribs Action: Flexes vertebral column, compresses abdominal contents Innervation: Intercoastal nerves |
