MOINA

• What is the origin of the trapezius muscle?

  Occipital bone, ligamentum nuchae, spine of 7th cervical vertebra, spines of all thoracic vertebrae
• Where do the upper fibers of the trapezius insert?

  Into the lateral third of the clavicle
• What is the nerve supply of the trapezius muscle?

  Spinal part of accessory nerve (motor) and C3 and C4 (sensory)
• What is the action of the upper fibers of the trapezius?

  Elevate the scapula
• What is the origin of the latissimus dorsi muscle?

  Iliac crest, lumbar fascia, spines of lower six thoracic vertebrae, lower three or four ribs, and inferior angle of scapula
• Where does the latissimus dorsi muscle insert?

  Floor of bicipital groove of humerus
• What is the nerve supply of the latissimus dorsi muscle?

  Thoracodorsal nerve
• What is the action of the latissimus dorsi muscle?

  Extends, adducts, and medially rotates the arm
• What is the origin of the levator scapulae muscle?

  Transverse processes of 1st four cervical vertebrae
• Where does the levator scapulae muscle insert?

  Medial border of scapula
• What is the nerve supply of the levator scapulae muscle?

  C3 and C4 and dorsal scapular nerve
• What is the nerve root for the levator scapulae muscle?

  C3, C4, 5
• What is the action of the levator scapulae muscle?

  Raises medial border of scapula
• What is the origin of the rhomboid minor muscle?

  Ligamentum nuchae and spines of 7th cervical and 1st thoracic vertebrae
• Where does the rhomboid minor muscle insert?

  Medial border of scapula
• What is the nerve supply of the rhomboid minor muscle?

  Dorsal scapular nerve
• What is the nerve root for the rhomboid minor muscle?

  C4, 5
• What is the action of the rhomboid minor muscle?

  Raises medial border of scapula upward and medially
• What is the origin of the rhomboid major muscle?

  Second to 5th thoracic spines
• Where does the rhomboid major muscle insert?

  Medial border of scapula
• What is the nerve supply of the rhomboid major muscle?

  Dorsal scapular nerve
• What is the nerve root for the rhomboid major muscle?

  C4, 5
• What is the action of the rhomboid major muscle?

  Raises medial border of scapula upward and medially