superficial back and shoulder

Question 1

what are the joints of the pectoral girdle?

Answer 1

1) glenohumeroal
2) acromioclavicular
3) coracoacromial
4) scapulothoracic
5) sternoclavicular
6) costoclavicular

Question 2

what 2 important nerves in this section come off the brachial plexus?

Answer 2

dorsal scapular and thoracodorsal

Question 3

trapezius

1) proximal attachment
2) distal attachment

Answer 3

1) external occipital protuberance, spinous process C7-C12

2) lateral 1/3rd of clavicle, scapular spine, acromion

Question 4

trapezius

1) actions
2) blood supply
3) innervation

Answer 4

1) retracts, elevates, depresses scapula, and rotates glenoid fossa superiorly
2) transverse cervical artery
3) spinal accessory for motor
- C3 and C4 for pain and proprioception

Question 5

Latissimus dorsi

1) action
2) blood supply
3) nerve

Answer 5

1) medially rotate, adduct, extend humerus, pull torso upwards
2) thoracodorsal
3) thoracodorsal

Question 6

scapulothoracic joint is made of what?

Answer 6

soft tissue only. anterior scapula to ribs

Question 7

triangle of auscultation

Answer 7

less tissue. triangle in deltoid, traps, lats, and can hear breathing here

Question 8

lumbar triangle

Answer 8

slight weakening in lateral abdominal wall, prone to herniation

Question 9

Rhomboid minor and Major

1) action
2) blood supply
3) nerve supply

Answer 9

1) retract, elevate, and rotate scapula downward, fix it to thoracic wall
2) dorsal scapular artery
2) dorsal scapular nerve

Question 10

levator scapulae

1) action
2) blood supply
3) innervation

Answer 10

1) elevates scapula and tilts glenoid fossa inferiorly
2) dorsal scapular artery
3) dorsal scapular and C3-C4

Question 11

medial part of subclavian artery

Answer 11

1) internal thoracic artery
2) vertebral artery
3) thyrocervical arterial trunk

Question 12

thyrocervical arterial trunk

Answer 12

1) suprascapular
2) transverse cervical artery (superficial and deep dorsal scapular artery branch)
3) ascending cervical artery

Question 13

posterior part subclavian

Answer 13

costocervical arterial trunk: 1)supreme intercostal artery

2) deep cervical artery

Question 14

lateral 1/3 subclavian may have ____ artery independ

Answer 14

dorsal scapular

Question 15

scapular anastomoste

Answer 15

1) circumflex scapular artery
2) thoracodorsal artery
3) posterior intercostal arteries
4) suprascapular artery
5) dorsal scapular artery

Question 16

blood supply to multifidius

Answer 16

posterior lumbar

Question 17

blood supply to rotatores

Answer 17

posterior intercostals

Question 18

blood supply to semispinalis cervisics and capitias

Answer 18

deep cerival artery