Trapezoid ligament

• Acromioclavicular Joint - Coracoclavicular ligament - Trapezoid ligament:

  • Anterolateral
  • Flat quadrilateral band
  • Stronger than the conoid ligament

  A) Trapezoid ligament

  B) Coracoclavicular ligament

  C) Acromioclavicular Joint

  
• Acromioclavicular Joint - Coracoclavicular ligament - Trapezoid ligament:

  Origin:

  • superior surface of coracoid process

  A) Trapezoid ligament

  B) Coracoclavicular ligament

  C) Acromioclavicular Joint

  
• Acromioclavicular Joint - Coracoclavicular ligament - Trapezoid ligament:

  Insertions:

  • trapezoid line on inferior aspect of clavicle (anterolateral to the conoid tubercle)

  A) Trapezoid ligament

  B) Coracoclavicular ligament

  C) Acromioclavicular Joint

  
• Acromioclavicular Joint - Coracoclavicular ligament - Trapezoid ligament:

  Actions:

  • Restricts backwards movement of scapula

  A) Trapezoid ligament

  B) Coracoclavicular ligament

  C) Acromioclavicular Joint