appendicular skeleton
DESCRIPTION
Appendicular Skeleton. Ch. 8. Consists of:. Shoulder (pectoral) Girdle Upper extremities Pelvic Girdle Lower extremities. Shoulder Girdle. Sternum + clavicle = sternoclavicular joint Clavicle + scapula = acromioclavicular joint Scapula held in place by muscle only - PowerPoint PPT PresentationTRANSCRIPT
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Appendicular Skeleton
Ch. 8
![Page 2: Appendicular Skeleton](https://reader035.vdocuments.mx/reader035/viewer/2022062501/568164f0550346895dd75922/html5/thumbnails/2.jpg)
Consists of:
• Shoulder (pectoral) Girdle• Upper extremities• Pelvic Girdle• Lower extremities
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Shoulder Girdle• Sternum + clavicle = sternoclavicular joint• Clavicle + scapula = acromioclavicular joint• Scapula held in place by muscle only• Upper limb attached to girdle at shoulder
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Shoulder Girdle - Clavicle
• S-shaped bone
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Shoulder Girdle – posterior scapula
• Acromion process
• Glenoid cavity
• Spine• Coracoid
process
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Shoulder Girdle – anterior scapula
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Upper Extremities
• 30 bones each• Humerus, radius, ulna• Carpal bones in wrist• Metacarpals in palm• Phalanges in fingers
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Humerus
• Head• Greater tubercle• Lesser tubercle• Deltoid tuberosity• Lateral epicondyle• Medial epicondyle• Capitulum• Trochlea
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Radius and Ulna
• Radius– Head– Styloid process – Radial tuberosity
• Ulna– Styloid process
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Wrist and Hand
• Carpals• Metacarpals• phalanges
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Carpals
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Metacarpals and Phalanges
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Pelvic Girdle
![Page 14: Appendicular Skeleton](https://reader035.vdocuments.mx/reader035/viewer/2022062501/568164f0550346895dd75922/html5/thumbnails/14.jpg)
Pelvic Girdle
• Ilicac crest• Anterior/superior
iliac spine• Acetabulum• Spine of ischium• Obturator formaen• Pubic symphysis
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Tortora & Grabowski 9/e 2000 JWS 8-15
Female and Male Skeletons• Male skeleton– larger and heavier– larger articular
surfaces– larger muscle
attachments• Female pelvis– wider & shallower– larger pelvic inlet &
outlet– more space in true
pelvis– pubic arch >90 degrees
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Lower Extremities
• 30 bones each• Femur• Patella• Tibia• Fibula• Tarsals• Metatarsals• phalanges
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Femur and Patella
• Head• Greater
trochanter• Lesser
trochanter• Lateral
epicondyle• Medial
epicondyle
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Tibia and Fibula
• Tibia– Medial and larger– Tibial tuberosity– Lateral condyle– Medial condyle– Medial malleolus
• Fibula– Lateral and smaller– Head– Lateral mealleolus
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Tarsals – Metatarsals - Phalanges
• Calcaneus• Talus• Cuboid• Navicular• Cuneiforms