Anatomy Ch10

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tlcolumna
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35452
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Anatomy Ch10
Updated:
2010-09-17 20:55:47
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Axial Musculature
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Anatomy Chapter 10, Axial Musculature
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  1. What word arises from the inserts on the axial skeleton?
    Axial Musculature.
  2. The Axial Muscles are organized into four groups based on their location and/or Function which are?
    • 1. Muscles of the head and neck.
    • 2. Muscles of the vertebral column
    • 3. Oblique and rectus muscles which includes the diaphragm
    • 4. Muscles of the pelvic floor.
  3. What is innervations?
    it refers to the identity of the nerve that controls a given muscle and is also included in all muscle tables.
  4. Muscles of the head and neck are divided into several groups which are.
    • 1. The muscles of the facial expression.
    • 2. The extrinsic eye muscles
    • 3. the muscles of mastication
    • 4. the muscles of the tongue
    • 5. the muscles of the pharynx
    • 6. the anterior muscle of the neck.
  5. The muscles involved with sight and hearing are based on.
    The skull
  6. The largest group of muscles associated with the mouth include the..
    orbicularis oris and buccinator.
  7. The eyebrows, forehead and scalp are controlled by..
    the frontal and occipital bellies of the occipitofrontalis muscle
  8. This muscle tenses skin of the neck and depresses the mandible.
    Platysma
  9. What the six extra-ocular eye muscle control the eye position and movement?
    Inferior, lateral medial and superior recti, then superior and inferior obliques.
  10. Mastication or chewing is controlled bytrigeminal nerve and act on the mandible which are?
    masseter, temporalis and pterygoid muscles.
  11. Which muscles are about of the tongue.
    Genioglossus, hyoglossus, palatoglossus, and styloglossus.
  12. What muscle is important in the initiation of swallowing process.
    The Pharynx Muscles
  13. The Pharynx muscles are..
    Pharyngals Constrictors, the laryngeal elevators(which include Palatopharyngues, salpingopharyngeus and stylopharyngeus) and palatoal muscles.
  14. Which four anterior muscle of the neck control the position of the larynx, depress of mandible and provide a foundation for the muscles of the tongue and pharynx.
    Digastric, mylohoyoid, stylohyoid, and sternocleidomastoid.
  15. The muscles of the vertebral column are covered by two superficial layers of the muscles such as..
    Trapezius, latissimus dorsi, and intercostals.
  16. Underlying muscles of the spine form two layers
    Superficial and deep which include splenius muscles.
  17. The spinal extensors a divided into..
    Spinalis. longissimus and iliocostalis
  18. Longissimus and iliocostalis for what
    they for a single massive muscle in the lower lumbar and sacral regions.
  19. What muscles of the spine interconnect and stabilize the vertebrae?
    Semispinalis group and the mutifidus, rotators, interspinales, and intertranserarii.
  20. Which muscles of the rotate and flex the neck?
    Longus capitis and longus colli
  21. What muscle helps to flex the spine and depress the ribs?
    Quadratus Lumborum.
  22. The Oblique and rectus muscles lie between what?
    The vertebral column and the ventral midline.
  23. That abdominal oblique muscle compressed the underlying structures or rotate the vertebral column.
    External oblique and internal oblique muscles.
  24. What muscles is a flexor of the vertebral column?
    The Rectus abdominis muscle.
  25. What is the deepest layer of abdominal muscles
    Transversus abdominis
  26. What do the internal and external oblique, rectus and transversus abdomins muscles do?
    They compress the abdomen.
  27. What muscles are apart of the neck and thorax?
    Scalene, the intercostals and transversus muscle.
  28. What muscles are important in respiratory movements of the ribs?
    External intercostals and internal intercostals
  29. What do the muscle of the the pelvic floor muscles that extend from the scrum and coccys to the ischium and pubis do?
    • 1. support the organs of the pelvic cavity
    • 2. Flex the joints of the sacrum and coccyx
    • 3. Control the movement of materials through the urethra and anus.
  30. Perineum can be divided into an anterior or..
    Urogenital triangle and a posterior anal triangle
  31. The pelvic floor consists of what?
    The urogenital diaphragm and the pelvic diaphragm.

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