Shoulder Pectoral Axilla & Upper Limb.

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ashleesumilat
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290284
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Shoulder Pectoral Axilla & Upper Limb.
Updated:
2014-12-01 19:39:07
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shoulder pectoral axilla anatomy grossanatomy
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Description:
muscles, nerves, blood supply in the different regions
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  1. Name the nerves from the cervical and brachial plexuses that supply cutaneous innervation to the shoulder region
    • 1. (cerv. plex.) Supraclavicular nn.
    • 2. (brach. plex.) Superior Lateral Brachial Cutaenous N. (from axillary n.)
    • 3. (brach. plex.) Inferior Lateral Brachial Cutaenous N. (from radial n.)
  2. Primary arterial anastomoses is formed around the scapula from what 3 arteries?
    • subclavian a. --> thyrocervical trunk --> 1) Transverse cervical a. and 2) Suprascapular a. 
    • 3) axillary a. --> subscuplar a. --> Circumflex scapular a.
  3. Name of ligament that supports breast
    Suspensory (Cooper's) ligament
  4. Blood supply to breast.
    • 1) axillary a. --> lat. thoracic a. --> lateral mammary branches
    • 2) subclavian a. --> int. thoracic a. --> medial mammary branches
    • 3) posterior intercostal aa. --> 2nd, 3rd, 4th intercostal spaces
  5. _____ innervates nipple region.
    T4
  6. Innervation of the breast
    • 1) cervical plexus --> supraclavicular nn.
    • 2) intercostal nn. --> medial & lateral brs.
  7. Rotator cuff muscles
    • Supraspinatus
    • Infraspinatus
    • Teres minor
    • Subscapularis
  8. Boundaries of quadrangular space
    • S: teres minor
    • I: teres major
    • L: neck of humerus
    • M: long head of triceps brachii
  9. Boundaries of Triangular Space
    • S: teres minor
    • I: teres major
    • L: long head of triceps brachii
  10. Boundaries of triangular interval
    • S: teres major
    • L: shaft of humerus
    • M: long head of triceps brachii
  11. Contents of quadrangular space
    • 1. Axillary n.
    • 2. Post. humeral circumflex a.
  12. Contents of triangular space
    circumflex scapular a.
  13. Contents of triangular interval
    • 1. radial n.
    • 2. deep radial a.
  14. Acromial arterial network is formed by...
    • 1. suprascapular a. --> acromial br.
    • 2. branches from ant. & post. circumflex humeral aa.
    • 3. thoracoacromial a. --> acromial br.
  15. 4 pectoral muscles
    • 1. pec. major
    • 2. pec. minor
    • 3. subclavius
    • 4. serratus anterior
  16. Pectoral muscle that flexes arm
    Pec. major
  17. Pectoral m. that protracts scapula
    Pec. minor (bc it inserts at the coracoid process)
  18. Pectoral m. that depresses & protracts clavicle
    Subclavius
  19. Pectoral m. that protracts scapula, rotates it medially, and elevates ribs during inspiration
    Serratus anterior
  20. Innervation of pec. major.
    Lateral + Medial pectoral nn.
  21. Innervation of pec. minor
    Medial pectoral n.
  22. Innervation of subclavius
    n. to subclavius
  23. Innervation of serratus anterior
    Long thoracic n.
  24. superficial venous drainage of pectoral region drains into...
    • cephalic v.
    • (deep lateral venous drainaige is lateral v.)
  25. deep lateral venous drainage of pectoral region drains into...
    • lateral thoracic v. via thoracoepigastric vv.
    • (superficial lateral venous drainaige is cephalic v.)
  26. Superficial extrinsic shoulder mm.
    • 1. Trapezius
    • 2. Latissimus dorsi
  27. Deep extrinsic shoulder mm.
    • 1. Levator scapulae
    • 2. Rhomboid major
    • 3. Rhomboid minor
  28. Intrinsic shoulder mm.
    • 1. Deltoid
    • 2. Supraspinatus
    • 3. Infraspinatus
    • 4. Teres minor
    • 5. Teres major
    • 7. Subscapularis
  29. 7 posterior back muscles from superior --> inferior
    Trapezius --> Supraspinatus --> Infraspinatus (post.) + Subscapularis (ant.) --> Teres minor --> Teres major --> Latissimus dorsi
  30. 3 structures that pass between subclavius + pec. minor
    • 1. cephalic v.
    • 2. thoraco-acromial a.
    • 3. lateral pectoral n.
  31. structure that passes below pec. minor
    lateral thoracic a.
  32. 6 branches of axillary a.
    • 1. Superior thoracic a.
    • 2. Thoracoacromial a.
    • 3. Lateral thoracic a.
    • 4. Subscapular a.
    • 5. Posterior humeral circumflex a.
    • 6. Anterior humeral circumflex a.
  33. 4 branches of thoracoacromial a.
    • 1. Acromial
    • 2. Pectoral
    • 3. Clavicular
    • 4. Deltoid
  34. 4 supraclavicular nn.
    • 1. dorsal scapular n.
    • 2. long thoracic n.
    • 3. n. to subclavius
    • 4. suprascapular n.
  35. 3 muscles that flex arm
    • 1. biceps brachii
    • 2. brachialis
    • 3. brachioradialis
  36. main muscle that extends arm
    triceps brachii
  37. The cephalic v. in the arm terminates as what?
    Axillary v.
  38. The basilic v. in the arm terminates as what?
    Brachial v.
  39. The median cubital v. connects what two vv.?
    Cephalic + Basilic
  40. Which v. is often chosen for transfusions?
    Median cubital v.
  41. 3 branches of brachial a.
    • 1. Deep brachial a.
    • 2. Superior ulnar collateral a.
    • 3. Inferior ulnar collateral a.
  42. What ligament "cuffs" the head of the radius in the proximal radioulnar joint?
    Anular ligament
  43. Superficial anterior + intermediate muscles of forearm
    • 1) Pronator teres
    • 2) Flexor carpi radialis
    • 3) Palmaris longus
    • 4) Flexor carpi ulnaris
    • 5) Flexor digitorum superficialis
  44. Deep anterior muscles of forearm
    • 1) Flexor digitorum profundus
    • 2) Flexor pollicis longus
    • 3) Pronator quadratus
  45. Superficial posterior muscles of forearm
    • 1) Brachioradialis
    • 2) Extensor carpi radialis longus
    • 3) Extensor carpi radialis brevis
    • 4) Extensor digitorum
    • 5) Extensor digiti minimi
    • 6) Extensor carpi ulnaris
  46. Deep posterior muscles of forearm
    • 1) Supinator
    • 2) Abductor pollicis longus
    • 3) Extensor pollicis brevis
    • 4) Extensor pollicis longus
    • 5) Extensor indicis

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