Lecture Notes: Learning the Bones of the Body

Introduction

• Presenter: Ben from Register Nurse.com
• Purpose: To learn the major bones in the human body, from head to toe, with memory aids.
• Audience: Students in anatomy, physiology, biology, and health science classes.
• Bone Count: 270 bones at birth, 206 bones in adulthood due to fusion.
• Study Tip: Print diagrams, practice quizzes, and repeatedly fill out diagrams.

Skull

• Cranium: Protects the brain. Memory aid: Cranium sounds like "brainium".
• Mandible (Jawbone): Memory aid: "Man, I talk a lot" or "Masticate with Mandible".
• Ear Bones: Hammer, Anvil, Stirrup (aka Incus, Malleus, Stapes).

Collar and Chest

• Clavicle (Collar Bone): Memory aid: "Clavicle" sounds like "collar".
• Sternum: Shaped like a necktie. Divided into:
  • Manubrium
  • Body
  • Xiphoid process
• Ribs: Surround the chest area.

Shoulder and Back

• Scapula (Shoulder Blades): Memory aid: "Scap" sounds like "back".
• Vertebrae: Divided into sections:
  • Cervical: Upper spine.
  • Thoracic: Middle spine, related to the chest (thorax).
  • Lumbar: Lower spine, lumbar support in furniture.
  • Sacrum: Lower back, "sacred" area.
  • Coccyx (Tailbone): Base of the spine.

Arm Bones

• Humerus: Upper arm, memory aid: Irony of name, "not humorous" when hit.
• Radius and Ulna: Forearm bones.
  • Ulna: Under, when thumb is up ("Ulna Under").
  • Radius: Name suggests the arm's radius of motion.

Hand Bones

• Carpals: Small bones at the base of the hand.
• Metacarpals: Extend from carpals.
• Phalanges (Fingers): Finger bones.

Pelvis and Leg Bones

• Pelvis (Hipbone): Memory aid: "Pelvis" sounds like "Elvis", known for hip movement.
• Femur: Upper leg bone.
• Patella: Kneecap.
• Tibia and Fibula: Lower leg bones.
  • Fibula: Smaller bone, "tell a little fib".
  • Tibia: Larger bone.

Foot Bones

• Tarsals: Small bones in the foot, where toes are.
• Metatarsals: Extend from tarsals.
• Phalanges (Toes): Toe bones, similar to finger phalanges.

Conclusion

• Next Steps: Future videos will cover specific bones in more detail.
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