Principles of
Anatomy and
Physiology
14th Edition
CHAPTER 8
The Skeletal System:
The Appendicular Skeleton
Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.
, The Appendicular Skeleton
The 126 bones of the
appendicular skeleton are
primarily concerned with
movement.
As “appendages” to the central
skeleton, these bones include
those of the upper and lower
limbs (including the girdles that
attach them to the axial skeleton).
Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.
, Pectoral (Shoulder) Girdle
The two pectoral (shoulder) girdles include a
clavicle (collar bone) and a scapula (shoulder
blade).
Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.
, Pectorial (shoulder) girdle
Girdle – the point of attachment of the limbs
Articulates the upper limbs with the trunk
Consists of clavicle and scapula ( shoulder
blade ) + Shoulder joint ( humerus )
Position ( stabilizes ) the shoulder joint
Helps to move the upper limbs
Provides a base for muscles attachment
Anatomy and
Physiology
14th Edition
CHAPTER 8
The Skeletal System:
The Appendicular Skeleton
Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.
, The Appendicular Skeleton
The 126 bones of the
appendicular skeleton are
primarily concerned with
movement.
As “appendages” to the central
skeleton, these bones include
those of the upper and lower
limbs (including the girdles that
attach them to the axial skeleton).
Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.
, Pectoral (Shoulder) Girdle
The two pectoral (shoulder) girdles include a
clavicle (collar bone) and a scapula (shoulder
blade).
Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.
, Pectorial (shoulder) girdle
Girdle – the point of attachment of the limbs
Articulates the upper limbs with the trunk
Consists of clavicle and scapula ( shoulder
blade ) + Shoulder joint ( humerus )
Position ( stabilizes ) the shoulder joint
Helps to move the upper limbs
Provides a base for muscles attachment
