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Human locomotion
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Human locomotion

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Transcript

  • 1. Human Locomotion
  • 2. Human Locomotion
    • Involves the movement of
      • Bones
      • Cartilage
      • Muscles
      • Tendons
      • Ligaments
    • It allows humans to move from place to place
  • 3. Human Skeletal System
    • It contains bones of many different shapes and sizes
      • Purposes
        • Support and protection of body structure
        • Anchors muscle action
        • Leverage fo body movement
        • Produces blood cells in the marrow
  • 4. Cartilage
    • Connective tissues
      • It is flexible and elastic
      • It give support
      • Flexibility of joints
      • Cushions effects in joints
    • It makes up most of the body’s skeleton
    • By adulthood most of the cartilage is taken over by bones
      • Found:
        • End of ribs
        • Nose
        • Ears
        • bronchi
        • Trachea
  • 5. Human Muscular System
    • There are three types of muscles in the human body
      • Visceral
        • Smooth in appearance
        • Involuntary in action
  • 6. Human Muscular System
    • Cardiac muscles
      • Involuntary in action
      • Striped in appearance
    • Heart etc………………
  • 7. Human Muscular System
    • Skeletal Muscle
      • Appearance
        • Voluntary in action
        • Striped in appearance
      • Controlled by the central nervous system
      • They are used to move bones in a coordinated manner
      • Muscles usually operate in pairs
        • Which “pull” on the bones on either side
          • INCLUDE
            • Extenders- which extend the limbs
            • Flexors – return the limbs (bend the joints)
  • 8. Tendons
    • Made up of connective tissues
    • They are tough, inelastic
    • They connect the muscle to the bone
  • 9. Ligaments
    • Made up of tough elastic connective tissue
    • Able to stretch slightly during joint movement
    • Connect bones at joints such as
      • Elbows fingers knees
  • 10. Problems that effect the Skeletal System
    • Arthritis
    • Tendonitis
  • 11. Arthritis
    • Inflammation of the joints causing swelling an horrible pain
      • Cam occur at a young age
      • Usually occurs when old
  • 12. Tendonitis
    • Inflammation (swelling) of the tendons usually at the bone attachment
      • Caused by physical stress and irritation to the spot
      • Common in athletes