Back + Thoracic Cage + Abdominal Wall

Question 1

2 groups of dorsal muscles

Answer 1

Extrinsic (migrated)
Intrinsic (autochthonous)

Question 2

Extrinsic muscles innervation

Answer 2

Anterior rami

Question 3

Extrinsic muscles groups

Answer 3

Superficial
Intermediate

Question 4

Extrinsic muscles superficial group

Answer 4

Trapezius
Latissimus dorsi
Levator scapulae
Minor rhomboid
Major rhomboid

Question 5

Extrinsic muscles intermediate group

Answer 5

Posterosuperior serratus
Posteroinferior serratus

Question 6

Trapezius innervation

Answer 6

Accessory nerve (CN XI)

Question 7

Trapezius function

Answer 7

Scapular elevation, retraction and rotation
Neck lateral flexion and extension

Question 8

Latissimus dorsi innervation

Answer 8

Thoracodorsal nerve

Question 9

Latissimus dorsi function

Answer 9

Shoulder retraction, adduction, internal rotation and extension

Question 10

Levator scapulae innervation

Answer 10

Dorsal scapular nerve

Question 11

Levator scapulae function

Answer 11

Scapular elevation
Lateral neck flexion

Question 12

Minor rhomboid innervation

Answer 12

Dorsal scapular nerve

Question 13

Minor rhomboid function

Answer 13

Retraction, rotation and scapula stabilisation

Question 14

Major rhomboid innervation

Answer 14

Dorsal scapular nerve

Question 15

Major rhomboid function

Answer 15

Retraction, rotation and scapula stabilisation

Question 16

Posterosuperior serratus innervation

Answer 16

Spinal nerves T1-T4

Question 17

Posterosuperior serratus function

Answer 17

Ribs elevation

Question 18

Posteroinferior serratus innervation

Answer 18

Spinal nerves T9-T12

Question 19

Posteroinferior serratus function

Answer 19

Ribs depression

Question 20

Intrinsic muscles groups
(+superficial to +deep, +long to + short)

Answer 20

Spinotransverse
Erector spinae
Transversoespinalis
Short segmental

Question 21

Spinotransverse intrinsic muscles

Answer 21

Splenius capitis
Splenius colli

Question 22

Erector spinae intrinsic muscles

Answer 22

Iliocostalis muscles
Longissimus muscles
Spinalis

Question 23

Transversoespinalis intrinsic muscles

Answer 23

Semiespinalis muscles
Multifidus
Rotators

Question 24

Short segmental intrinsic muscles

Answer 24

True segmentaries:
Interspinous and intertransverse
Levator costarum

Question 25

Suboccipital muscles

Answer 25

Rectus capitis posterior (major and minor)
Oblique capitis (superior and inferior)

Question 26

Muscles thoracic cage

Answer 26

External intercostals
Internal intercostals
Middle (intimate) intercostals
Subcostal muscles
Transversus thoracic muscle

Question 27

External intercostals function

Answer 27

Inspiration

Question 28

Internal intercostals function

Answer 28

Expiration

Question 29

Middle (intimate) intercostals function

Answer 29

Expiration

Question 30

Transversus thoracic muscle origin

Answer 30

Posterior surface of the sternum

Question 31

Thoracic cage muscles irrigation

Answer 31

Posterior intercostal arteries
Anterior intercostal arteries
Veins w/ them
Cutaneous branches

Question 32

Lymphatic drainage thoracic cage

Answer 32

Parasternal nodes
Intercostal nodes
Diaphragmatic nodes

Question 33

Thoracic cage muscles innervation

Answer 33

Intercostobrachial nerve (T2)
(+T4 is at the mammillary level, T6 at the xiphoid process and T10 at the umbilicus)

Question 34

Anterior abdominal wall components

Answer 34

Superficial fascia
External oblique muscle
Internal oblique muscle
Transversus
Transversalis fascia
Rectus ambdominis
Pyramidalis
Sheath of the rectus

Question 35

Anterior abdominal wall muscles innervation

Answer 35

Myotomes: T7-L1
Dermatomes: T6+T10+L1