Joints

• What is a joint?

  a place where 2 or more bones meet and allows movement and rotation to occur
• What are 3 things that joints are made up of?

  • Ligaments
  • Tendons
  • cartilage
• Ligaments connect bone to bone
• Tendons connect muscle to bone
• Cartilage is a tissue with covers and cushions the bone
• What are the 4 types of joints?

  • Hinge joint
  • ball and socket joint
  • Pivot joint
  • Condyloid joint
• Hinge joint

  • Only moves in two directions: flexion and extension
  • e.g. knee, elbow, ankle
• Ball and socket joint

  • Allows all movement types
  • e.g. hip and shoulder
• Pivot joint

  • rotates like a wheel around an axis
  • e.g. neck
• Condyloid joint

  • allows flexion, extension, abduction and adduction which combines to create circumduction
  • e.g. wrist
• What is an articulating bone?

  bones that form a joint