PowerPoint® Lecture Slide Presentation
by Patty Bostwick-Taylor,
Florence-Darlington Technical College
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
PART D 5
The Skeletal
System
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
The Appendicular Skeleton
Composed of 126 bones
Limbs (appendages)
Pectoral girdle
Pelvic girdle
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
The Appendicular Skeleton
Figure 5.6a
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
The Appendicular Skeleton
Figure 5.6b
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
The Pectoral (Shoulder) Girdle
Composed of two bones
Clavicle—collarbone
Scapula—shoulder blade
These bones allow the upper limb to have
exceptionally free movement
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Bones of the Shoulder Girdle
Figure 5.21a
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Bones of the Shoulder Girdle
Figure 5.21b
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Bones of the Shoulder Girdle
Figure 5.21c–d
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Bones of the Upper Limbs
Humerus
Forms the arm
Single bone
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Bones of the Upper Limbs
Figure 5.22a–b
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Bones of the Upper Limbs
The forearm has two bones
Ulna
Medial bone in anatomical position
Radius
Lateral bone in anatomical position
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Bones of the Upper Limbs
Figure 5.22c
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Bones of the Upper Limbs
The hand
Carpals—wrist
Metacarpals—palm
Phalanges—fingers
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Bones of the Upper Limbs
Figure 5.23
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