Chapter 7 Part 1 Lecture - The Skeleton Ch 7 The...

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The Appendicular Skeleton The Skeleton Ch. 7
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Z Bones of the limbs Z Pectoral girdle Z Pelvic girdle Appendicular Skeleton
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Z Clavicles and the scapulae W Attach the upper limbs to the axial skeleton W Provide attachment sites for muscles that move the upper limbs Pectoral Girdle (Shoulder Girdle)
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Z Acromial end (rounded) articulates with the scapula Z Sternal end (blunt) articulates with the sternum Z Braces the scapulae and arms out laterally Clavicles (Collarbones)
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Z Situated on back of rib cage, between ribs 2 and 7 Scapulae (Shoulder Blades)
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Figure 7.25b Medial border Coracoid process Acromion Glenoid cavity at lateral angle Lateral border Spine (b) Right scapula, posterior aspect
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Figure 7.25c Coracoid process Glenoid cavity Acromion Spine (c) Right scapula, lateral aspect Inferior angle Posterior Anterior Supraglenoid Tubercle Infraglenoid Tubercle
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Z 30 bones form the skeletal framework of each upper limb Z Articulates superiorly with glenoid cavity of scapula Z Articulates inferiorly with radius and ulna Humerus
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Z Ulna W Medial bone in forearm (pinky side) W Pointy part of your elbow W Longer bone of forearm Z Radius W Lateral bone in forearm (thumb side) W Articulates with capitulum of humerus and radial notch of ulna W Interosseous membrane connects the radius and ulna Bones of the Forearm
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Figure 7.27a-b Olecranon process Trochlear notch Proximal radioulnar joint Distal radioulnar joint Styloid process of radius Radius Head of radius Interosseous membrane Ulna Head Radial tuberosity Radius Styloid process of radius (a) Anterior view (b) Posterior view
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Figure 7.27c-d (c) Proximal portion of ulna, lateral view Olecranon process Trochlear notch Coronoid process Radial notch View (d) Distal ends of the radius and ulna at the wrist Ulnar notch of radius
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  • Fall '15
  • BarbaraEngebretson
  • medial malleolus, lateral malleolus, Anterior view, posterior View, ischial spine

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