Gross Anatomy Lab 1

Front 1

Upper traps origin

Back 1

External occipital protuberance
Ligamentum nuchae
C7-T12 spinous processes

Front 2

Upper traps insertion

Back 2

Lateral third of the clavicle

Front 3

Upper traps action

Back 3

Elevation of Scapula
Upward rotation of Scapula

Front 4

Upper traps blood supply

Back 4

Transverse cervical artery

Front 5

Upper traps nerve supply

Back 5

Cranial nerve XI

Front 6

Middle traps origin

Back 6

External occipital protuberance
Ligamentum nuchae
C7-T12 spinous processes

Front 7

Middle traps insertion

Back 7

Spine of Scapula

Front 8

Middle traps action

Back 8

Retraction

Front 9

Middle traps blood supply

Back 9

Transverse cervical artery

Front 10

Middle traps nerve supply

Back 10

Cranial nerve XI

Front 11

Lower traps origin

Back 11

External occipital protuberance
Ligamentum nuchae
C7-T12 spinous processes

Front 12

Lower traps insertion

Back 12

Root of spine of scapula

Front 13

Lower traps action

Back 13

Depression of Scapula
Upward rotation of Scapula

Front 14

Lower traps blood supply

Back 14

Transverse cervical artery

Front 15

Lower traps nerve supply

Back 15

Cranial nerve XI

Front 16

Rhomboid minor origin

Back 16

C7 & T1 spinous processes

Front 17

Rhomboid minor insertion

Back 17

Root of spine of scapula

Front 18

Rhomboid minor action

Back 18

Retraction of scapula
Downward rotation of scapula

Front 19

Rhomboid minor blood supply

Back 19

Dorsal Scapular Artery

Front 20

Rhomboid minor nerve supply

Back 20

Dorsal Scapular Nerve

Front 21

Rhomboid Major origin

Back 21

T2-T5 Spinous Processes

Front 22

Rhomboid Major insertion

Back 22

Vertebral border of scapula from root of the spine to inferior angle

Front 23

Rhomboid Major action

Back 23

Retraction of Scapula
Downward rotation of Scapula

Front 24

Rhomboid Major blood supply

Back 24

Dorsal Scapular Artery

Front 25

Rhomboid Major nerve supply

Back 25

Dorsal Scapular Nerve

Front 26

Levator Scapulae Origin

Back 26

C1-C4 Transverse Processes

Front 27

Levator Scapulae Insertion

Back 27

Vertebral Border of Scapula from Superior Angle to Root of Spine

Front 28

Levator Scapulae action

Back 28

Elevation of Scapula
Downward Rotation of Scapula

Front 29

Levator Scapulae blood supply

Back 29

Dorsal Scapular Artery

Front 30

Levator Scapulae nerve

Back 30

Dorsal Scapular Nerve

Front 31

Latissimus Dorsi origin

Back 31

Thoracolumbar Aponeurosis
Lower 6 Thoracic Spinous Processes
Sacrum & Iliac Crest
Lower 3 to 4 Ribs
Inferior Angle of Scapula

Front 32

Latissimus Dorsi insertion

Back 32

Floor of the Bicipital Groove of Humerus

Front 33

Latissimus Dorsi Action

Back 33

Extension of Humerus
Medial Rotation of Humerus
Adduction of Humerus

Front 34

Latissimus Dorsi nerve supply

Back 34

Thoracodorsal nerve

Front 35

Latissimus Dorsi blood supply

Back 35

Thoracodorsal artery

Front 36

Serratus Posterior Superior origin

Back 36

Caudal Ligamentum Nuchae
Spinous Processes of C7-T2

Front 37

Serratus Posterior Superior Insertion

Back 37

Superior Borders of Ribs 2, 3, 4 & 5

Front 38

Serratus Posterior Superior action

Back 38

Raises ribs to increase thoracic cavity during inspiration

Front 39

Serratus Posterior Superior nerve supply

Back 39

Intercostal Nerves T1-T4

Front 40

Serratus Posterior Superior blood supply

Back 40

Posterior Intercostal Artery

Front 41

Serratus Posterior Inferior origin

Back 41

Spinous Processes of T11-L3

Front 42

Serratus Posterior Inferior insertion

Back 42

Inferior Border of the Last 4 Ribs

Front 43

Serratus Posterior Inferior action

Back 43

Draws ribs outward and downward counteracting the inward pull of the diaghram during expiration

Front 44

Serratus Posterior Inferior nerve supply

Back 44

Intercostal Nerves T9-T12

Front 45

Serratus Posterior Inferior blood supply

Back 45

Posterior Intercostal Artery

Front 46

Iliocostalis origin

Back 46

Thoracolumbar Aponeurosis
Posterior ribs

Front 47

Iliocostalis insertion

Back 47

Posterior ribs
Cervical Transverse Processes

Front 48

Iliocostalis action

Back 48

Bilaterally - extension of spine
Unilaterally - Lateral flexion of Spine

Front 49

Iliocostalis nerve supply

Back 49

Dorsal Rami of Spinal Nerves

Front 50

Iliocostalis blood supply

Back 50

Posterior Intercostal Arteries
Lumbar Arteries

Front 51

Longissimus origin

Back 51

Thoracolumbar Aponeurosis
Lumbar & Thoracic Transverse Processes

Front 52

Longissimus insertion

Back 52

Cervical & Thoracic Transverse Processes
Mastoid Process

Front 53

Longissimus action

Back 53

Bilaterally - extension of spine
Unilaterally - lateral flexion of spine

Front 54

Longissimus nerve supply

Back 54

Dorsal Rami of Spinal Nerves

Front 55

Longissimus blood supply

Back 55

Posterior Intercostal Arteries
Lumbar Arteries

Front 56

Spinalis origin

Back 56

Ligamentum Nuchae
Cervical & Thoracic Spinous Processes

Front 57

Spinalis insertion

Back 57

Cervical & Thoracic Spinous Processes
Occipital Bone

Front 58

Spinalis action

Back 58

Bilaterally - extension of spine
Unilaterally - lateral flexion of spine

Front 59

Spinalis nerve supply

Back 59

Dorsal rami of Spinal nerves

Front 60

Spinalis blood supply

Back 60

Posterior Intercostal Arteries
Lumbar Arteries