Spinal Anat Final

Front 1

Boundaries of the Greater Pelvis

Back 1

Iiac Ala
Anterior S1
Abdominal Vicera

Front 2

Lesser Pelvis Boundaries

Back 2

Hip bones
Sacrum
Coccyx
Includes the pelvic cavity
Plus the peritoneum

Front 3

Boundaries of the pelvic outlet

Back 3

Pubic arch
Ischial Tuberosity
Inferior of the Sacrotuberous Ligament
Tip of the Coccyx ligaments

Front 4

Illiolumbar Ligaments extend from

Back 4

L5-Tp to Sacrum & Iliac Crest

Front 5

Inferior Band of the ILL

Back 5

L5-Tp to AnteroSupero of Sacral Ala

Front 6

Superior Band of the ILL

Back 6

L5-Tp to the Iliac Tuberosity

Front 7

SI Joint Anterior is what type of joint?

Back 7

Synovial

Front 8

SI joint posterior is what type of joint

Back 8

Syndesmoses

Front 9

Articular capsules only appear on the anterior SI jt

Back 9

True

Front 10

Articular capsules are on the posterior SI Joint

Back 10

False

Front 11

Interosseous SI Ligaments

Back 11

Connect 3 sacral fossae to the iliac tuberosity
Has a superficial and deep layer
Border the SI jt posteriorly
No articular capsule
Deep/Anterior to the short posterior sacroiliac ligaments

Front 12

Anterior Sacroiliac Ligaments

Back 12

Anterior to the articular capsule and pelvic surface SIJ
Runs horizontally from sacrum to illium

Front 13

Posterior Sacroilliac

Back 13

2 parts - Long and Short
Long:PSIS to S3-S4 tubercles, runs vertically along POSTERIOR aspect of SIJ ends by blending with sacrotuerous lig.
Short: S1, S2 to illiac crest and illiac tuberosity - horizontally

Front 14

Sacroischial Ligaments

Back 14

Sacrotuberous and Sacrospinous
Stability of the SIJ

Front 15

Sacrotuberous

Back 15

From posterior inferior sacrum to the ischial tuberosity

Front 16

Sacrospinous lig.

Back 16

from the anterior aspect of the sacrum to the SPINE OF THE Ischium

Front 17

Posterior Sacrococcgyeal Ligament

Back 17

Deep &
Superficial
Continuation of PLL

Front 18

Lateral Sacrococcygeal LIg

Back 18

 Extends from TP of Coccyx To the Inferolateral aspect of the Sacrum

Front 19

Intercornual Lig

Back 19

From the Sacral Cornua To the Coccygeal Cornua

Front 20

Spondylolysis

Back 20

Lysis=loosening
Separation of the vertebral arch from the body.
Defect or fracture of the isthmus
No anterior displacement of the vert body.
Radiograpgh: scottie dog

Front 21

spondylolithesis

Back 21

Fracture of the isthmus with dispacement of the vertebrae
more common between L5 –Sacrum and may stretch the Roots of LumboSacral Spinal nerve in the Cauda Equina.

Front 22

Whiplash

Back 22

Sever hyperextension of neck or head and neck combined
ALL maybe stretched or torn
Caused by rear end MVA

Front 23

Sacralization

Back 23

L5 is part of sacrum- all or part

Front 24

Lumbarization

Back 24

S1 separated from sacrum and fused to L5 - this is strong but L4-L5 degenerates

Front 25

Anterior prevertebral muscles

Back 25

Longus Coli
Longus Capitus
Rectus Capitus Anterior
Anterior Scalene

Front 26

Lateral Vertebral Muscles

Back 26

Rectus Capitus lateralis
Splenius Capitus
Levator Scapulae
Middle Scalene
Posterior Scalene

Front 27

Longus Coli

Back 27

Flexes neck with rotation to opposite side

Front 28

Splenious Capitus

Back 28

Extends head and neck bilaterally

Front 29

Inferior attachment of the middle scalene

Back 29

1st rib, posterior to the subclavian artery

Front 30

Action of middle scalene

Back 30

Elevates 1st rib during breathing

Front 31

Posterior scalene inf attachment

Back 31

2nd rib - external border

Front 32

Posterior scalene action

Back 32

Elevates second rib during FORCED inspiration

Front 33

Spinal nerves

Back 33

31 pairs
Named for where they come out of the spine

Front 34

Spinal nerve roots - ventral

Back 34

Motor efferent - innervate skeletal muscle

Front 35

Spinal nerve roots - dorsal

Back 35

Afferent - sensory from dorsal root ganglia
transmit sensory input from the periphery

Front 36

Rami

Back 36

Spinal nerves branches
All ventral rami except for T2-T12 form plexus
T2-T12- intercostal nerves supply muscles of the ribs, anterolateral thorax, and abdominal wall
back innervated by dorsal rami

Front 37

Which anterior rami make up the cervical plexus

Back 37

C1-C4

Front 38

Major nerve of the diaphram receiving fibers from C3-C5

Back 38

Phrenic Nerve

Front 39

Ansa cervicalis

Back 39

C1-C3 fibers that supply the infrahyoid muscles (except thyrohyoid)

Front 40

Supraclavicular nerves

Back 40

C3-C4 loop
supply skin of neck that cross the clavicle and the skin over the shoulder

Front 41

Lesser Occipital nerve

Back 41

C2 - skin of neck and scalp posteriosuperior to auricle

Front 42

Greater auricular nerve

Back 42

C2-C3 loop -
gland, mastoid processs both surfaces of the auricle and an aerea of the skin extending from the angle of the mandible to the mastoid process

Front 43

Transverse cervical nerve

Back 43

C2-C3 - skin covering anterior cervical region

Front 44

Brachial plexus

Back 44

Formed by ventral rami of C3-C8 and T1

Front 45

Lumbar plexus

Back 45

(T12)L1-L4

Front 46

Nerves of the Lumbar plexus

Back 46

Femoral N. (L2-L4)
Obturator N. (L2-L4)
Illiohypogastric (L1)
Illioinguinal (L1)
Genitofemora(L1-L2)
Lateral cutaneous n of thigh(L2-L4)
Lumbosacral Trunk(L4-L5)

Front 47

Genitofemoral N.

Back 47

Cremaster muscles and skin of scrotum in males
Labia in females
L1-L2

Front 48

Illioinguinal

Back 48

L1 - Inferior abdominal muscles, skin of external genitalia

Front 49

Illiohypogastric

Back 49

wall of anterolateral abdominals and skin
internal oblique and transverse abdominis

Front 50

Sacral Plexus

Back 50

L4-S4
Sciatic nerve (ventral rami L4-S3)
Superior Gluteal Nv (L4,L5,S1):
Inferior Gluteal Nv (L5-S2)
Posterior Cutaneous Nerve of the thigh =(S1-S3)
Pudendal Nerve (S2-S4)

Front 51

Parasthesia

Back 51

Loss of sensory function

Front 52

Paralysis

Back 52

Loss of motor function

Front 53

Parapelegia

Back 53

T1-T9
Both lower limbs affected

Front 54

Quadrapelegia

Back 54

Transection in the cervical region (C4-C5)
All four limbs effected

Front 55

Flacid paralysis

Back 55

Damage to ventral root or ventral horn
Impulses do not reach muscles
atrophy

Front 56

Hemipegia

Back 56

paraylsis of one side of the body

Front 57

• Hilton’s law:

Back 57

Any nerve serving a muscle that produces movement at a joint also innervates the joint and the skin over the joint