Back muscles

Question 1

Trapezius Proximal Attachments

Answer 1

Superior nuchal line, external occipital protruberance, nuchal ligament, spinous processes C7-T12

Question 2

Trapezius Distal Attachments

Answer 2

Clavicle, acromion, scapular spine

Question 3

Trapezius Actions

Answer 3

Elevation, retraction, depression of scapula; rotation of glenoid fossa superiorly

Question 4

Trapezius Innervation

Answer 4

Cranial nerve XI (spinal accessory nerve)

Question 5

Trapezius Blood Supply

Answer 5

Transverse Cervical Artery

Question 6

Latissimus Dorsi Proximal Attachments

Answer 6

Spinous processes T7-12, thoracolumbar fascia, iliac crest

Question 7

Latissimus Dorsi Distal Attachments

Answer 7

Floor of intertubercular sulcus of humerus

Question 8

Latissimus Dorsi Actions

Answer 8

Extension, adduction, medial/internal rotation of humerus; lifts body toward arm in climbing

Question 9

Latissimus Dorsi Innervation

Answer 9

thoracodorsal nerve

Question 10

Latissimus Dorsi Blood Supply

Answer 10

thoracodorsal artery

Question 11

Levator Scapulae Proximal Attachments

Answer 11

Transverse processes, C1-4

Question 12

Levator Scapulae Distal Attachments

Answer 12

Superior angle of scapula

Question 13

Levator Scapulae Innervation

Answer 13

Dorsal scapular nerve (C5)

Question 14

Levator Scapulae Blood Supply

Answer 14

Dorsal scapular artery

Question 15

Rhomboid Major Proximal Attachments

Answer 15

spinous processes of T2-T5

Question 16

Rhomboid Major Distal Attachments

Answer 16

Medial border of scapula , below scapular spine

Question 17

Rhomboid minor proximal attachments

Answer 17

nuchal ligament, spinous processes of C7, T1

Question 18

Rhomboid minor distal attachments

Answer 18

Medial border of scapula, superior to scapular spine

Question 19

Serratus posterior superior

Answer 19

Elevation of ribs

Question 20

Serratus posterior inferior

Answer 20

Depression of ribs

Question 21

Splenius capitus origin

Answer 21

Lower cervical and upper thoracic spinous processes

Question 22

Splenius Cervicis origin

Answer 22

Lower cervical and upper thoracic spinous processes

Question 23

Capitus insertion

Answer 23

Mastoid process, superior nuchal line

Question 24

Cervicis insertion

Answer 24

Upper cervical transverse processes

Question 25

Splenius capitus actions

Answer 25

Unilateral contraction yields lateral flexion of neck and rotation of head to side of contraction Bilateral contraction yields head and neck extension

Question 26

Erector spinae origin

Answer 26

Iliac crest, sacrum

Question 27

Illiocostalis Insertion

Answer 27

angles of lower ribs, cervical transverse processes

Question 28

Longissimus insertion

Answer 28

angles of ribs, cervical/thoracic transverse processes, mastoid process

Question 29

Spinalis Insertion

Answer 29

spinous processes

Question 30

Erector Spinae action

Answer 30

Unilateral contraction yields lateral flexion Bilateral contraction yields extension

Question 31

Semispinalis action

Answer 31

4-6 ... Extension of vertebral column (semispinalis cervicis) and head (semispinalis capitus)

Question 32

Multifidus action

Answer 32

2-4 ... Unilateral contraction rotates to contralateral side; stabilizes vertebrae

Question 33

Rotator action

Answer 33

1-2 ... Extension and rotation of vertebral column

Question 34

Answer 34

Question 35

Answer 35

Question 36

Answer 36

Atlanto-occipital joints

Question 37

Answer 37

Atlanto-axial joints

Question 38

Answer 38

Anterior longitudinal ligament

Question 39

Answer 39

Posterior Longitudinal ligament

Question 40

Answer 40

Ligamentum flavum

Question 41

Answer 41

Purple - Intersinous ligaments Yellow- Suprasinous ligaments (ligamentum nuchaeat cervical levels)

Question 42

Answer 42

Trapezius

Question 43

Answer 43

Latissimus Dorsi

Question 44

Answer 44

Levator Scapulae

Question 45

Answer 45

Purple - Rhomboid major Black - minor

Question 46

Answer 46

Purple - Serratus posterior superior Green - Serratus posterior inferior

Question 47

Answer 47

Triangle of auscultation Lumbar triangle of Petit

Question 48

Answer 48

Blue - Nuchal fascia/ligament Green- Thoracolumbar fascia

Question 49

Answer 49

Red - splenius capitus Purple- Splenius Cervicis

Question 50

Answer 50

Erector spinae

Question 51

Answer 51

Question 52

Answer 52

Question 53

Answer 53

Semispinalis capitus (with greater occipital nerves)

Question 54

Answer 54

Seminispinalis cervicis

Question 55

Answer 55

Multifidis-- lumbar

Question 56

Answer 56

Rotators -- thoracic

Question 57

Answer 57

Question 58

Answer 58