Origin and Insertion Worksheet for Extrinsic Muscles of the posterior thorax



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Origin and Insertion Worksheet for Extrinsic Muscles of the posterior thorax

PART A. Match the muscle with its correct origin.



  1. Rhomboid major i

  2. Rhomboid minor a

  3. Trapezius (Descending Part) h

  4. Trapezius (Ascending Part) m

  5. Trapezius (Transverse Part) b

  6. Supraspinatus c

  7. Infraspinatus j

  8. Teres minor g

  9. Teres major d

  10. Latissimus dorsi (Vertebral part) p

  11. Latissimus dorsi (Scapular part) k

  12. Latissimus dorsi (Costal part) f

  13. Latissimus dorsi (Iliac part) l

  14. Serratus posterior inferior  n

  15. Serratus posterior superior q

  16. Serratus anterior e

  17. Levator Scapulae o

  1. Spinous processes of C6, C7

  2. Aponeurosis at T1-T4 spinous processes

  3. Supraspinous fossa of the scapula

  4. Inferior lateral margin of the scapula

  5. 1st-9th ribs

  6. 9th-12th ribs

  7. Lateral border of the scapula

  8. Occipital bone and spinous processes of C1-C7

  9. Spinous processes of T1-T4

  10. Infraspinous fossa of the scapula

  11. Inferior angle of the scapula

  12. Posterior 1/3 of the iliac crest

  13. Spinous processes of T5-T12

  14. T11-L2

  15. Transverse processes of C1-C4

  16. Spinous processes of T7-T12 and thoracolumbar fascia

  17. Ligamentum nuchae; C7-T3



  1. PART B. Match the muscle with its correct insertion (some letters may be used more than once)

  1. Rhomboid major g

  2. Rhomboid minor f

  3. Trapezius (Descending Part) k

  4. Trapezius (Ascending Part) e

  5. Trapezius (Transverse Part) l

  6. Supraspinatus a

  7. Infraspinatus a

  8. Teres minor a

  9. Teres major i

  10. Latissimus dorsi (Vertebral part) b

  11. Latissimus dorsi (Scapular part) b

  12. Latissimus dorsi (Costal part) b

  13. Latissimus dorsi (Iliac part) b

  14. Serratus posterior inferior  h

  15. Serratus posterior superior d

  16. Serratus anterior c

  17. Levator Scapulae j

  1. Greater tuberosity of the humerus

  2. Intertubercular groove of the humerus

  3. Medial border of the scapula

  4. Superior borders of the 2nd-4th ribs

  5. Scapular spine

  6. Medial border of the scapula (above the scapular spine)

  7. Medial border of the scapula (below the scapular spine)

  8. Inferior borders of 8th-12th ribs

  9. Greater tubercle of the humerus and the humeral shaft just below the tubercle

  10. Superior angle of the scapula

  11. Lateral clavicle

  12. Acromion process of the scapula







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