MSS Test 1

  1. Latissimus Dorsi Origin
    Iliac crest, lumbar fascia, spines of lowest 6 thoracic vertebrae, inferior angle of scapula, lower 3-4 ribs
  2. Latissimus Dorsi Insertion
    Medial to the bicipital groove of the humerus
  3. Latissimus Dorsi Nerve Supply
    Thoracodorsal Nerve - C6, C7, C8, posterior cord of brachial plexus
  4. Latissimus Dorsi Action
    Extends, adducts and medially (internally) rotates arm
  5. Latissimus Dorsi Blood Supply
    Thoracodorsal artery
  6. Trapezius Origin
    External occipital protuberance, superior nuchal line, ligamentum nuchae, spines of C7 and thoracic vertebrae.
  7. Trapezius Insertion
    Lateral clavicle, acromion, and scapular spine.
  8. Trapezius Nerve Supply
    Spinal Accessory Nerve (CN 11)
  9. Trapezius Action
    Raises/Lowers, adducts and rotates scapula
  10. Trapezius Blood Supply
    Transverse Cervical Artery (first part of the subclavian artery)
  11. Teres Major Origin
    Lower lateral border of the scapula
  12. Teres Major Insertion
    Medial to the bicipital groove of the humerus
  13. Teres Major Nerve Supply
    Lower Subscapular Nerve (C5/C6, posterior chord of the brachial plexus)
  14. Teres Major Action
    Adducts, extends and internally rotates arm
  15. Teres Major Blood Supply
    Circumflex Scapular Artery
  16. Rhomboid Major Origin
    T2/T5 spines
  17. Rhomboid Major Insertion
    Medial border of scapula at the infraspinous fossa
  18. Rhomboid Major Nerve Supply
    Dorsal Scapular Nerve (C5/C6 root)
  19. Rhomboid Major Action
    Pulls scapula medial - raises medial border of scapula
  20. Rhomboid Major Blood Supply
    Dorsal Scapular Artery (branch of the subclavian)
  21. Rhomboid Minor Origin
    C7 and T1 spines
  22. Rhomboid Minor Insertion
    Medial border of the scapula, at the spine
  23. Rhomboid Minor Nerve Supply
    Dorsal Scapular Nerve
  24. Rhomboid Minor Action
    Pulls scapula medial/raises medial border
  25. Rhomboid Minor Blood Supply
    Dorsal Scapular Artery (branch of subclavian)
  26. Image Upload 1
    Latissimus Dorsi
  27. Image Upload 2
    • 3) Latissimus Dorsi
    • 5) Teres Major
    • 6) Teres Minor
    • 7) Supraspinatus Muscle
    • 8) Infraspinatus Muscle
    • 13) triceps bracchi muscle
  28. Image Upload 3
    Teres Major
Card Set
MSS Test 1
First Test