The Appendicular Skeleton Composed of 126 bones – Appendages (limbs) – Pectoral girdle –...

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The Appendicular Skeleton Composed of 126 bones – Appendages (limbs) – Pectoral girdle – Pelvic girdle

Transcript of The Appendicular Skeleton Composed of 126 bones – Appendages (limbs) – Pectoral girdle –...

Page 1: The Appendicular Skeleton Composed of 126 bones – Appendages (limbs) – Pectoral girdle – Pelvic girdle.

The Appendicular Skeleton

• Composed of 126 bones– Appendages (limbs)– Pectoral girdle– Pelvic girdle

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The Appendicular Skeleton

Figure 5.6a

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The Appendicular Skeleton

Figure 5.6b

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The Pectoral (Shoulder) Girdle

• Composed of two bones– Clavicle—collarbone– Scapula—shoulder

blade• These bones allow the

upper limb to have exceptionally free movement

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Bones of the Shoulder GirdleClavicle

Figure 5.21b

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Bones of the Shoulder GirdleScapula 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 LimbsUlna and Radius

• The forearm has two bones– Ulna• Medial bone in anatomical

position– Radius • Lateral bone in anatomical

position

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Bones of the Upper LimbsCarpals, Metacarpals,Phalanges

• The hand– Carpals—wrist – Metacarpals—palm– Phalanges—fingers