Deep Spinal Mm

Question 1

Iliocostalis
Lumb
Thorac
Cervic

Innerv

Answer 1

L
O: -Iliac crest MED; Sacral crest MED + LAT
I: R7-12 angles

T
O: R7-12 angle
I:R1-6 angle, C7 TVP

C
R3-6 angle C4-6 TVP

Inn: Dorsal Rami of Spinal

Question 2

Longissmus
Thorac:
Cervic
Capitalis

Answer 2

T
O: - Iliac MED, Sacrum POST, TVP L1-5 (Lumbar vert)
I: TVP T1-12 (Thorac Vert)
R4-12

Cerv:
O- TVP T1-5 (Mid trap)
I - TVP C2-6 (post tubercle)

Cap:
O: TVP T1-5 (same as cerv), C5-7 Art. process (post scalene)
I: Temp bone Mastoid (SCM)

Question 3

Spinalis
Thorac!
Cerv!
Capitis

Answer 3

T
O - T11-L2 SP (serratus posterior inferior)
I - SP T4-8

Cer
O - Inferior Nuchal Lig, C7 SP
I - SP of C2

Cap
O - Semispinalis capitis - MED
C7-T6 (close to mid-trap) TVP
C4-6 articular process (neck flx palp)

I - Occipital - btw superior and inferior nuchal

Question 4

Transversospinalis:

Semispinalis

Answer 4

(5-6, oblique fiber dir)
Thor:
O - T6-10 TVP
I - C6-T4 SP

Cerv:
O - T1-5 TVP
I - C2-5 SP

Cap:
O - C7-T6 TVP, C4-6 articular process
I - Occipital bone Sup+ Inferior nuchal line (spinalis cap)

Question 5

TS: Multifidus
Lum
Thor
Cerv

Answer 5

Lum -
O - Mamillary processes deep to ESG

Thor -
O - TVPs deep to semispinal

Cerv -
O - C4-7 articular process (deep to semispinalis)

I - 3-4 segmt above SP

Question 6

TS: Rotatores

Answer 6

O - TVP

I - SP 1-2segment above

Question 7

Splenius Capitis

Answer 7

O - Nuchal lig C3-6, C7-T4 SP

I - Mastoid process, lat 1/3 of superior nuchal line of occiput (less than SCM)

Question 8

Splenius Cervicis

Function

Answer 8

O - T3-6 SP
I - C1-3 TVP post tubercles

EXT, LAT FLX, IPS ROT Neck

Question 9

Subocc: Rectus Capitis Posterior Minor

Func
Inn

Answer 9

O - C1 post tubercle
I - inferior nuchal med 1/3

Protract, Cap EXT, SideFLX AOJ

Inn: Dorsal ramus C1, Subocc N.

Question 10

Subocc: Rectus Capitis Post Major

Action:

Answer 10

O - C2/Axis SP
I - Lat 1/2 inferior nuchal line occiput

EXT , LAT FLX, IPS ROT AOJ

Question 11

Suboccip: Obliquus Capitis Inferior

Answer 11

O - C2/Axis SP
I - C1 TVP

Act: IPS ROT of head at AAJ

Question 12

Longus Colli

Function
Innv:

Answer 12

O - C3-T3 TVP and Ant. Body
I - C2-6 TVP and Ant. Body; C1 Ant. Arch

A: LAT FLX, FLX, CON ROT neck

N - Cerv spinal, Ventral rami C2-6

Question 13

Longus Cap

Function

Innv:

Answer 13

O - C3-5 TVP Ant. tubercle
I - Occiput, inferior of basilar

FLX, LAT FLX neck and head at spinal

Cerv spinal Ventral rami C1-3

Question 14

Rectus Cap Ant

Funct

Innv:

Answer 14

O - C1/Atlas TVP (obliqu supr)
I - Occiput (basilar)

FLX head at AOJ

C1-2 Ventral Rami

Question 15

Rectus Cap. Lat

Funct

Answer 15

O - C1 TVP
I - Occiput Jugular process

A: Side flex

Question 16

Serratus Post Superior

Function

Inn

Answer 16

O - C7-T3 SP
I - R2-5 superior border and ext. surface

A: ELEV R2-5 @ sternocosto and costospinal jt.

N: Intercostal N2-5 (insertion)

Question 17

Serratus Post. Inferior

Function
Inn

Answer 17

O - SP T11-L2 (spinalis thoracis origin)
I - R9-12 inferior + ext border

Pulls down R9-12 at costospinal and sternocostal jt.

N: Subcostal N. and Innercostal 9-11 (one less, inferior)

Question 18

Diaphragm

Func
Innv

Answer 18

O:
Costal: r7-12 (except all true ribs aside from 7)
Sternal: Xiphoid process
Lumbar: L1-3, MED + LAT arcuate ligament, (R)+(L) crura (tendon)

I - Central tendon

A - Incr. Thoracic cavity w/ respir

N - Phrenic N. C3-5

Question 19

Deep EXT Rotat: Pirf

Function
Innv

Answer 19

O - Ant sacrum + ant of sacrotuberous ligamnt

I - Supero MED (wrap around) surface

A - EXT ROT HORZ ABD, INT ROT thigh

Innv: N. to piriformis

Question 20

Sup Gemellus

Answer 20

O - Ischial Spine
I - MED surf of greater trochanter

Func: LAT ROT, HORZ ABD thigh
N - N. to Obturator Interus L5,S1

Question 21

Obturator Int

Answer 21

O - Int surface Pelvic (ischium, pubis, ilium)
I - MED sur of greater trochanter

A - LAT ROT, HORZ ABD thigh

Innv: N. to Obturator Int L5, S1

Question 22

Inferior Gemellus

Answer 22

O - Isch tub (sup)
I - MED Greater trochanter
N. Quad Fem N.

Question 23

Obturator Externus

Answer 23

O - Obturator foramen margin (ischium, pubis, obturator membrane)
I - Trochanteric fossa

N - Obturator N.

Question 24

Quadratus Femor

Answer 24

O - Ischial Tub
I - Intertochanteric Crest
N. Quad Fem. N.

N - Quad Fem. N. (L5-S1)