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SLIDE 1 – The Skeletal System

SLIDE 1 – The Skeletal System. SLIDE 2 – The Basics. We are born with 350 bones. They fuse as we grow until by adulthood we have 206 bones. Our bones work alongside our muscles to allow us to walk, run, jump, bend, lift, and carry.

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SLIDE 1 – The Skeletal System

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  1. SLIDE 1 – The Skeletal System

  2. SLIDE 2 – The Basics

  3. We are born with 350 bones

  4. They fuse as we grow until by adulthood we have 206 bones

  5. Our bones work alongside our muscles to allow us to walk, run, jump, bend, lift, and carry

  6. Bones make up approximately 14 percent of our total body weight

  7. Bones are four times stronger than concrete

  8. The stirrup bone is the smallest in our body @ approximately 1/10 of an inch

  9. The femur bone is the longest in our body @ approximately ¼ of our height

  10. SLIDE 3 – Anatomical Reference Terms

  11. Anatomical Position

  12. The body is assumed to be standing, the feet together, the arms to the side, and the head and eyes and palms of the hands facing forwards

  13. In a normal relaxed position of the body, the thumb points anteriorly

  14. In the Anatomical Position, the thumb is a lateral structure, not an anterior one

  15. SLIDE 4 – Pic

  16. SLIDE 5 – Anatomical Reference Terms

  17. Median/Sagittal plane - This plane runs through the body from the head to the feet, and divides the body into Left and Right halves

  18. Frontal/Coronal plane - This plane runs through the body from the head to the feet, and divides the body into Front and Rear halves.

  19. Transverse plane - This is any plane that runs left to right through the body and divides it into Upper and Lower sections.

  20. SLIDE 6 – Pic

  21. SLIDE 7 – Anatomical Reference Terms

  22. Lateral and medial - Away or towards the Median plane respectively.

  23. Superior and inferior - Towards the head, or towards the feet respectively.

  24. Anterior and posterior - Towards the front of the body, or towards the rear of the body respectively.

  25. Superficial and deep - Superficial structures are closer to the skin than deeper structures.

  26. Distal and proximal - Further from or nearer to the limb's connection to the trunk respectively.

  27. SLIDE 8 – Anatomical Reference Terms

  28. Movements:

  29. Flexion - where there is a reduction in the angle between bones or parts of the body. An example of arms flexing is lifting a dinner plate.

  30. Extension - is the opposite of flexion, and there is an increase in the angle.

  31. ADduction - where there is a reduction in the angle between bones or parts of the body. Towards the midline of the Body.

  32. ABduction - the exact opposite, with an increase in the angle. Away from the midline of the Body.

  33. Pronation - this is the rotation of the hand so that the palm faces posteriorly

  34. Supination - the rotation of the hand so that the palm faces anteriorly

  35. Dorsiflexion - movement which decreases the angle between the foot and the leg

  36. Plantarflexion - the movement which increases the angle between the foot and the leg, as when depressing an automobile pedal

  37. SLIDE 9 – 4 Functions of Bone

  38. Bones protect the Vital Organs and soft tissues in our body

  39. Bones are the factory where Red Blood Cells are produced

  40. Bones are a reservoir for Minerals

  41. Bones provide attachments for Muscles to produce movement

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