Rhomboid Minor

• Rhomboid Minor:

  • Small, rectangular muscle, situated in deep layer over the posterior thoracic cage, deep to trapezius and inferior to levator scapular

  A) Rhomboid Minor

  
• O (origin)

  • From the spinous processes of C7 and T1 and the supraspinous ligament between them

  A) Rhomboid Minor

  
• R (direction)

  • Obliquely downwards and laterally

  A) Rhomboid Minor

  
• I (insertions)

  • Medial border of the scapula at the level of the root of the spine of scapula (smooth triangular area)

  A) Rhomboid Minor

  
• A (actions)

  • Scapular retraction and medial rotation

  A) Rhomboid Minor

  
• NS (nerve supply)

  • Dorsal scapular nerve (C5)

  A) Rhomboid Minor

  
• Function:

  • Scapula stabiliser

  A) Rhomboid Minor