Term
| Frontal Belly of occipitofrontalis |
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Definition
Origin: Epicranial aponeurosis
Insertion: Skin of eyebrows
Action: Raises eyebrows and wrinkles forehead |
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Term
| Occipital belly of the occipitofrontalis |
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Definition
Origin: Superior nuchal line of occipital bone
Insertion: Epicranial aponeurosis
Action: Tenses and retracts scalp |
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Term
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Definition
Origin: Bony orbit
Insertion: Skin around the palpebrae
Action: Closes eyes |
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Term
| Levator palpebrae superioris |
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Definition
Origin: Lesser wings of sphenoid
Insertion: Superior palpebrae
Action: Open eyes |
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Term
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Definition
Origin: Alveolar processes (3rd molar teeth) of mandible and maxillae
Insertion: Angle of mouth (orbicularis oris)
Action: compresses cheeks |
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Term
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Definition
Origin: Maxillae and mandible
Insertion: Lips
Action: Closes and purses lips |
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Term
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Definition
Origin: Body of mandible
Insertion: Angle of mouth
Action: Depresses angle of mouth |
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Term
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Definition
Origin: (Fascia associated with) Masseter
Insertion: Angle of mouth
Action: Retracts angle of mouth |
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Term
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Definition
Origin: Zygomatic bone
Insertion: Angle of mouth
Action: Raises angle of mouth |
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Term
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Definition
Origin: Zygomatic bone
Insertion: Upper lip
Action: Raises upper lip |
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Term
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Definition
Origin: Fascia of chest
Insertion: Mandible and skin of sheek
Action: depresses mandible and tenses skin of neck |
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Term
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Definition
Origin: Zygomatic arch
Insertion: Angle of the mandible
Action: Elevates manible |
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Term
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Definition
Origin: Temporal fossa
Insertion: Coronoid process of manible
Action: Elevates mandible |
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Term
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Definition
Origin: Optic canal of sphenoid
Insertion: sclera
Action: Elevates eye |
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Term
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Definition
Origin: Optic canal of sphenoid
Insertion: Sclera
Action: Depresses eye |
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Term
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Definition
Origin: Optic canal of sphenoid
Insertion: Sclera
Action: Moves eye medially |
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Term
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Definition
Origin: Optic canal of sphenoid
Insertion: Sclera
Action: Moves eye laterally |
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Term
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Definition
Origin: Maxilla (superior aspect)
Insertion: Sclera
Action: Elevates eye and moves eye laterally |
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Term
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Definition
Origin: Optic canal of sphenoid
Insertion: Sclera
Action: Depresses eye and moves eye laterally |
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Term
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Definition
Origin: 2 heads: manubrium of sternum and clavicle
Insertion: Mastoid process of temporal bone
Action: 2 heads together: neck flexion : 1 head rotation |
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Term
Erector spinae group:
-spinalis group
-longissimus group
-iliocostalis group |
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Definition
-spinalis group: Medial
-longissimus group: Intermediate
-iliocostalis group: Lateral
Action: Extends, laterally flexes vertebral colum |
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Term
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Definition
Origin: Transverse process of inferior vertebra
Insertion: Transverse process of superior vertebra
Action: Laterally flexes vertebral column |
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Term
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Definition
Origin: Spinous process of inferior vertebra
Insertion: Spinous process of superior vertebra
Action: Extends the vertebral column |
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Term
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Definition
Origin: Inferior border of superior rib
Insertion: Superior border of inferior rib
Action: Elevates ribs |
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Term
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Definition
Origin: Superior border of inferior rib
Insertion: Inferior border of superior rib
Action: Depresses ribs |
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Term
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Definition
Origin: *
Insertion: Central tendon
Action: Expands the thoracic cavity for breathing and compresses the abdominopelvic cavity |
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Term
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Definition
Origin: Pubic crest and pubic symphysis
Insertion: Xiphoid process and costal cartilages of ribs 5-7
Action: Compresses abdomen; depresses ribs, and flexes vertebral column |
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Term
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Definition
Origin: Ribs 5-12
Insertion: Iliac crest and iliac alba
Action: Compresses abdomen; depresses ribs, flexes and rotates vertebral column |
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Term
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Definition
Origin: Lumbodorsal fascia, iliac crest, and inquinal ligament
Insertion: Pubic crest, linea alba, ribs 9-12, and costal cartilages of ribs 8-10
Action: Compresses abdomen; flexes and rotates the vertebral column |
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Term
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Definition
Origin: Lumbodorsal fascia, iliac crest, inguinal ligament, ribs 6-12
Insertion: Pubic crest and linea alba
Action: Compresses abdomen |
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Term
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Definition
| Extends from xiphoid process to the public symphysis |
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Term
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Definition
A) I band F) Titin
B) A band G) M line
C) Myosin H) H band
D) Actin I) Nebulin
E) Z line (or disc)
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Term
Organization of skeletal muscle:
Largest to smallest |
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Definition
| Muscle - fascicles - muscle fibers (=cells) - myofibrils - myofilaments : actin and myosin |
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Term
| This connective tissue ensheaths the entire muscle and usually forms the tendon. |
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Definition
| Epimysium : Dense Regular Connective Tissue. |
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Term
| Fascicles composed of numerous 1)_____ and are surrounded by connective tissue called 2)_____ |
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Definition
1)Muscle Fibers (=cells)
2)Perimysium |
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Term
| Fascicles are broken down into 1)_____, which are surrounded by 2)_____. |
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Definition
1) Muscle Fibers
2) endomysium |
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