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Human Anatomy & Physiology FIFTH EDITION Elaine N. Marieb PowerPoint ® Lecture Slide Presentation by Vince Austin Copyright © 2003 Pearson Education, Inc.

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Presentation on theme: "Human Anatomy & Physiology FIFTH EDITION Elaine N. Marieb PowerPoint ® Lecture Slide Presentation by Vince Austin Copyright © 2003 Pearson Education, Inc."— Presentation transcript:

1 Human Anatomy & Physiology FIFTH EDITION Elaine N. Marieb PowerPoint ® Lecture Slide Presentation by Vince Austin Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Chapter 10 The Muscular System Part I

2 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Muscles of the Lateral Compartment These muscles plantar flex and evert the foot They include the fibularis longus and fibularis brevis muscles Figure 10.22a

3 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Muscles of the Lateral Compartment Figure 10.22b,c

4 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Muscles of the Posterior Compartment These muscles primarily flex the foot and the toes They include the gastrocnemius, soleus, tibialis posterior, flexor digitorum longus, and flexor hallucis longus Figure 10.23a

5 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Muscles of the Posterior Compartment Figure 10.23b, c

6 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Muscles of the Posterior Compartment Figure 10.23d-f

7 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Muscle Actions of the Thigh: Summary These muscles: Flex and extend the thigh (posterior compartment) Extend the leg (anterior compartment) Adduct the thigh (medial compartment)

8 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Muscle Actions of the Thigh: Summary Figure 10.24a

9 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Muscle Actions of the Leg: Summary These muscles: Plantar flex and evert the foot (lateral compartment) Plantar flex the foot and flex the toes (posterior compartment) Dorsiflex the foot and extend the toes (anterior compartment)

10 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Muscle Actions of the Leg: Summary Figure 10.24b


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