Skeletal System

• Types of Synovial Joints:

  • Hinge Joint
  • Saddle Joint
  • Ball in Socket
  • Gliding Joint
  • Pivot Joint
  • Ovoid Joint (Ellipsoid)
• Types of bones:

  • Long bones
  • Short bones
  • Flat bones
  • Irregular bones
  • Sesamoid (floating)
• short bones

  • Very strong but have less movement (carpal and tarsal bones or foot)
  • Nearly equal in length and width.
  • Mostly spongy bone with an outer of compact bone.
• Flat Bones

  • Usually thin.
  • Two layers of compact bone covering a thin layer of spongy bone.
  • Provide protection and a large area for muscle attachment.
  • E.G. Cranium, sternum and ribs.
• irregular bones

  • Mainly provide protection and support.
  • E.G. Pubis and vertebrae.
• sesamoid bones

  • These are small bones held with tendons and include the patella (knee cap).
• What are tarsels

  foot
• what are metatarsels


  toes
• what are carpels

  hand
• what are metacarpels


  fingers