Transcript Chapter 11, part 2

Anatomy & Physiology
SIXTH EDITION
Chapter 11, part 2
The Muscular System
PowerPoint® Lecture Slide Presentation prepared by
Dr. Kathleen A. Ireland, Biology Instructor, Seabury Hall, Maui, Hawaii
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Frederic H. Martini
Fundamentals of
Extrinsic eye muscles
(oculomotor or extra-ocular muscles)
• Inferior and superior rectus muscles
• Lateral and medial rectus muscles
• Inferior and superior oblique muscles
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Figure 11.5 Extrinsic Eye Muscles
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Figure 11.5
Muscles of mastication
• Masseter muscles
• Temporalis muscles
• Pterygoid muscles
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Figure 11.6 Muscles of Mastication
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Figure 11.6
Muscles of the tongue
(speech, swallowing and mastication)
• Genioglossus
• Hypoglossus
• Palatoglossus
• Styloglossus
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Figure 11.7 Muscles of the Tongue
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Figure 11.7
Muscle of the pharynx
• Pharyngeal constrictors
• Laryngeal elevators
• Palatal muscles
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Figure 11.8 Muscles of the Pharynx
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Figure 11.8
Muscle of the neck
• Control the position of the larynx
• Depress the mandible
• Provide a foundation for the muscles of the
tongue
• Digastric and sternocleidomastoid muscles
• Seven muscles that originate or insert on the
hyoid
PLAY
Animation: Muscles of the head and neck
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Muscles of the vertebral column
• Superficial muscles of the spine
• Spinalis
• Longissimus
• Iliocostalis
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Figure 11.9 Muscles of the Anterior Neck
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Figure 11.9
Muscles of the vertebral column
• Neck region
• Longus capitus
• Longus colli
• Lumbar region
• Quadratus lumborum
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Figure 11.10 Muscles of the Vertebral Column
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Figure 11.10
Oblique and rectus muscles
• Oblique
• Scalene muscles
• Intercostal muscles
• Transverses muscles
• External and internal intercostals
• Diaphragm
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Figure 11.11 Oblique and Rectus Muscles and
the Diaphragm
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Figure 11.11
Muscles of the pelvic floor
• Perineum
• Anterior urogenital triangle
• Posterior anal triangle
• Pelvic floor
• Urogenital diaphragm
• Pelvic diaphragm
PLAY
Animation: Muscles of the vertebral column and pelvic floor
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Figure 11.12 Muscles of the Pelvic Floor
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Figure 11.12a
Figure 11.12 Muscles of the Pelvic Floor
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Figure 11.12b