Sternoclavicular joint classification etc

• Sternoclavicular joint:

  • Only true articulation of the upper limb and the axial skeleton

  A) Sternoclavicular Joint

  
• Sternoclavicular joint - Joint Classification:

  • Synovial saddle joint

  A) Sternoclavicular Joint

  
• Sternoclavicular joint - Axis of movement:

  • 3 degrees of freedom available (about 3 axes)

  A) Sternoclavicular Joint

  
• Sternoclavicular joint - Joint Capsule:

  • Fibrous capsule surrounding entire joint
  • Attaching to articular margins of clavicle and sternum
  • Relatively strong (apart from inferiorly)
  • Strengthened capsular thickenings: anterior and posterior sternoclavicular ligaments and interclavicular ligaments

  A) Sternoclavicular Joint