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32 Cards in this Set
- Front
- Back
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six muscles that move the eyeballs. |
1. Superior Rectus 2.Inferior Rectus 3.Lateral Rectus 4. Medial Rectus 5. Superior Oblique 6. Inferior Oblique |
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Muscles that originate (In the orbit) and insert (in the sclera) outside the eye. |
Extrinsic |
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Moves the eyeball superiorly |
Superior rectus |
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Inferior rectus |
moves the eyeball inferiorly |
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Moves the eyeball laterally |
lateral rectus |
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medial rectus |
moves the eyeball medially |
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superior oblique |
moves the eyeball inferiorly and laterally (Rotating eye on its axsis) |
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Moves the eyeball superiorly and laterally rotates laterally. |
Inferior oblique |
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Eating and chewing |
Muscles of mastication |
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Masseter |
elevates the mandible in chewing (Helps to close the mouth) |
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Temporalis |
elevates and retracts mandible as in chewing |
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depresses mandible |
Lateral pterygoid |
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Metal pterygoid |
elevates mandible as in grinding the teeth. |
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Muscles of the tongue |
End in glossus |
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Muscles of the head |
1. Sternocleidomastoid 2. semipinalis capitis 3. Splenius Capitis |
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Sternocleidomastoid
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flex cervical/neck area, rotates head to side. |
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semipinalis capitis
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Acting together extended head. Acting singly rotates head to side |
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Acting together extended head. Acting singly rotates head to same side |
Splenius Capitis
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Muscles that act on the abdominal wall (4 pairs) |
1. Rectus abdominis 2. External oblique 3. Internal oblique 4. Transverse abdominis |
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flexes vertebral column, especially lumbar portion and compresses abdomen. |
Rectus abdominis |
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External and Internal oblique |
Acting together, flexes vertebral column. Acting singly, latterly flexes vertebral column, compress abdomen. |
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Compresses abdomen |
Transversus abdominis |
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Tendinous Intersections |
The anterior surface of the rectus abdominis is interrupted by these three transverse fibrous bands of tissue. |
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A tough fibrous band that extends from the xiphoid process of the sternum to the pubic symphysis. |
Linea alba |
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Muscles in the anterolateral abdominal wall (Superficial to deep) |
1. External oblique 2. Internal oblique 3. Transversus abdominis |
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Muscles used in Inhalation |
1. Diaphragm 2. External and Internal Intercostals |
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Larges dome shape. Most important muscle that powers breathing. Results in inhalation. |
Diaphragm |
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Intercostals |
other breathing muscles between the ribs |
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Elevates ribs. Their contraction results in inhalation. |
External Intercostal |
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Internal intercostal |
Depresses the ribs. Their contractions results in forced exhalation. |
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Muscles of the pelvic floor |
are also called the pelvic diaphragm which stretches from the pubis to the coccyx and one lateral wall to the other. |
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Supports and maintains position of pelvic viscera |
Levator ani and ischiococcygeus |
