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Cranium

Mandible. Carpals. Vertebra. Rib. Ulna. Cranium. Femur. Tibia. Sternum. Coccyx. Clavicle. Patella. Phalanges. Tarsals. Radius. Metacarpals. Humerus. Fibula. Metatarsals. Scapula. Pelvis. Sacrum. Types of B ones. Long Bones. Are longer than they are wide

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Cranium

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  1. Mandible Carpals Vertebra Rib Ulna Cranium Femur Tibia Sternum Coccyx Clavicle Patella Phalanges Tarsals Radius Metacarpals Humerus Fibula Metatarsals Scapula Pelvis Sacrum

  2. Types of Bones

  3. Long Bones • Are longer than they are wide • Subjected to most of the load during daily activities • Usually somewhat curved for strength • Crucial for skeletal mobility • Eg. Femur, tibia, fibula, humerus, ulna, radius

  4. Short Bones • Roughly cube-shaped • Have approximately equal length and width • Eg. Carpal (wrist), tarsal (ankle)

  5. Flat Bones • Thin shaped • Provide considerable mechanical protection and extensive surfaces for muscle attachments • Eg. Cranial bones (protect brain), sternum and ribs (protect organs), scapula (shoulder blades)

  6. Irregular Bones • Complicated shapes • Shaped for the functions they fulfill within the body • Eg. Vertebrae (provide major mechanical support for the body while protecting the spinal cord)

  7. Sesamoid Bones • Develop in some tendons in locations where there is friction, tension, and physical stress • Form in the palms of the lands and the soles of the feet • Their presence and quantity varies from person to person • Eg. Patellae (kneecaps: common to everyone)

  8. Sutural Bones • Classified by their location rather than shape • Very small bones located within the sutural joints between the cranial bones • Number of sutural bones varies from person to person

  9. Joints • Fribrous Joints • Connect bones without movements • Eg. Skull, pelvis • Cartilaginous Joints • Bones are attached by cartilage; limited movements • Eg. Spine, ribs • Synovial Joints • Most movements • Cavities between bones filled with synovial fluid, which lubricate and protect the bones

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