Toilet Wall Muscle o,i,A,Ns

8/11/2019 Toilet Wall Muscle o,i,A,Ns

1/34

MUSCLE ORIGIN INSERTION N/S ACTION

Trapezius Medial third of superiornuchal line; external

occipital protuberance;nuchal ligament; S.Ps ofC7 C12 ertebrae

!ateral third of claicle;acromion and spine of

scapula

"ccessor# nere $C%&'( and C)* C+ spinal

neres

,escending part eleates;ascending part depresses;

and middle part retractscapula; descending andascending parts act

together to rotate glenoidcait# superiorl#

Pectoralis Minor )rd-thribs near their costal

cartilageCoracoid Process Medial pectoral

%ere $C/* 01(Stabilies scapula b#draing it inferiorl#against thoracic all

Subclavius 3unction of 1strib and its

costal cartilage'nferior surface ofmiddle third of claicle

%ere to subclaius$C* C4(

"nchors and depressesclaicle

Levator Scapulae Posterior tubercles of 0.Ps

of C1 C+ ertebrae

Medial border of scapula

superior to root of spine

,orsal scapular $C(

and cerical $C)* C+(neres

5leates scapula and tilts

its glenoid cait#inferiorl# b# rotatingscapula
http://images.google.com.au/imgres?imgurl=http://www.fotosearch.com/comp/LIF/LIF125/3D507005.jpg&imgrefurl=http://www.fotosearch.com/LIF125/3d507005/&h=264&w=300&sz=24&hl=en&start=2&tbnid=7ngZPwlYgeF8_M:&tbnh=102&tbnw=116&prev=/images%3Fq%3Dsubclavius%26gbv%3D2%26ndsp%3D20%26svnum%3D10%26hl%3Den%26sa%3DN


2/34

ROTATOR CUMUSCLE ORIGIN INSERTION N/S ACTION

Supraspinatus Supraspinous fossa ofscapula

Superior facet of greater

tubercle of humerus

Suprascapular nere

$C+* C* C4(

"bduction of arm and

helps hold the humeralhead 'n the glenoid cait#

of the scapula

In!raspinatus 'nfraspinous fossa ofscapula

Middle facet of greatertubercle of humerus

Suprascapular %ere$C* C4(

!aterall# rotates arm*6elps hold humeral head

in glenoid cait# ofscapula

Teres Minor Middle part of lateral borderof scapula

'nferior facet of greater

tubercle of humerus

"xillar# %ere

$C* C4(

!aterall# rotates arm*

6elps hold humeral headin glenoid cait# ofscapula

Subscapularis Subscapular fossa !esser tubercle ofhumerus

pper and !oer

Subscapular neres

$C* C4* C7(

Mediall# rotates and

adduct arm* helps hold

humeral head in theglenoid cait# of thescapula


3/34


Teres Ma"or Posterior surface of inferiorangle of scapula

Medial lip ofintertubercular grooe of

humerus8'C'P'0"! 9:


4/34

R%o#boi$ Minor/

R%o#boi$ Ma"or

Rhomboid Minor:

%uchal ligament* S.Ps of C7

and 01 ertebraeRhomboid Major:

S.Ps of 02 0 ertebrae

Rhomboid Minor:

Smooth triangular area at

medial end of scapulaspineRhomboid Major:

Medial border of scapulafrom leel of spine to

inferior angle

,orsal scapular nere

$C+* C(

:etract scapula and rotate

it to depress glenoidcait#; fix scapula tothoracic all

&eltoi$ !ateral third of claicle;acromion and spine ofscapula

,eltoid tuberosit# ofhumerus

"xillar# nere$C* C4(

Anterior part:=lexes andmediall# rotates armMiddle part:abducts armPosterior part:extends

and laterall# rotates arm

Serratus Anterior 5xternal surfaces of lateralparts of 1st-/thribs

"nterior surface ofmedial border of scapula

!ong thoracic nere$C* C4* C7(

Protracts scapula andholds it against thoracicall* rotates scapula



5/34

'iceps 'rac%ii Short head:tip of coracoidprocess of scapulaLong head:Supraglenoidtubercle of scapula

0uberosit# of radius

fascia of forearm iabicipital aponeurosis

Musculocutaneous

nere $C* C4(

Supinates forearm and*

hen it is supine* flexesforearm; short head resistsdislocation of shoulder

'rac%ialis ,istal half of anteriorsurface of humerus

Coronoid process andtuberosit# of ulna

Musculocutaneousnere $C* C4(

=lexes forearm in allpositions

Coracobrac%ialis 0ip of coracoid process ofscapula

Middle third of medial

surface of humerus

Musculocutaneous

nere $C* C4* C7(

6elps flex and adduct

arm; resists dislocation ofshoulder



6/34

Anconeus !ateral epicond#le ofhumerus

!ateral surface of

olecranon and superiorpart of posterior surfaceof ulna

:adial nere

$C7* C/* 01(

"ssists triceps in

extending the forearm;stabilies elbo ?oint;ma# abduct ulna during

pronation

Triceps 'rac%ii Long Head:infraglenoidtubercle of scapulaLateral Head:posteriorsurface of humerus* superior

to radial grooeMedial Head:posteriorsurface of humerus* inferiorto radial grooe

Proximal end ofolecranon of ulna andfascia of forearm

:adial nere$C4* C7* C/(

Chief extensor of forearm;long head resistsdislocation of humerus;especiall# important

during abduction

OREARM LE(ORSMUSCLE ORIGIN INSERTION N/S ACTION


7/34

Pronator

Teres

Medial epicond#le of

6umerus $common flexororigin( and coronoid processof ulna

Middle of conexit# of

lateral surface of radius

Median nere

$C4* C7(

Pronates and flexes

forearm $at elbo(

le)or

CarpiRa$ialis

Medial epicond#le of

humerus $common flexororigin(

8ase of 2ndmetacarpal Median nere

$C4* C7(

=lexes and abducts hand

$at rist(

Pal#aris

Lon*us

Medial epicond#le ofhumerus$common flexor origin(

,istal half of flexorretinaculum and apex of

palmer aponeurosis

Median nere$C7* C/(

=lexes hand $at rist( andtenses palmer aponeurosis

le)or

Carpi

Ulnaris

Medial epicond#le ofhumerus

$common flexor origin(

,istal half of flexorretinaculum and apex of

palmer aponeurosis

Median nere$C7* C/(

=lexes and adducts hand$at rist(

OREARM LE(ORSMUSCLE ORIGIN INSERTION N/S ACTION


8/34

le)or

&i*itoru#

Super!icialis

Medial epicond#le $common

flexor origin and coronoidprocess(

Shafts $bodies( of middle

phalanges of medial fourfingers

Median %ere

$C7* C/* 01(

=lexes middle phalanges

at Proximal'nterphalangeal ?oints ofmiddle four fingers* alsoflexes phalanges at

metacarpophalangeal?oints

le)or&i*itoru#

Pro!un$us

Proximal three @uarters ofmedial and anterior surfaces

of ulna and interosseousmembrane

8ases of distal phalangesof +thand thfingers

lnar nere$C/* 01(

=lexes distal phalanges +and at distal

interphalangeal ?oints

le)or

Pollicis

Lon*us

"nterior surface of radius

and ad?acent interosseousmembrane

8ase of distal phalanx of

thumb

"nterior interosseous

nere* from mediannere$C/* 01(

=lexes phalanges of 1st

digit $thumb(

Pronator

+ua$ratus

,istal @uarter of anteriorsurface of ulna

,istal @uarter of anteriorsurface of radius

"nterior interosseousnere* from mediannere

$C/* 01(

Pronates forearm* bindsthe radius and ulnatogether.

OREARM E(TENSORSMUSCLE ORIGIN INSERTION N/S ACTION


9/34

'rac%iora$ialis Proximal to thirds ofsupraepicond#lar ridge ofhumerus

!ateral surface of distal

end of radius proximal tost#loid process

:adial nere

$C* C4* C7(

:elatiel# eeA finger

flexion of forearm*maximal hen forearm isin midpronated position

E)tensor

Carpi

Ra$ialis

Lon*us

!ateral supraepicond#larridge of humerus

,orsal aspect of base of2ndmetacarpal

:adial nere$C4* C7(

5xtend and abduct handand rist ?oint; actieduring fist clenching

E)tensor

CarpiRa$ialis

'revis

!ateral epicond#le of

humerus $commonextensor origin(

,orsal aspect of base of

)rdmetacarpal

,eep branch of radial

nere$C7* C/(

5xtend and abduct hand

and rist ?oint

E)tensor

&i*itoru#

!ateral epicond#le ofhumerus $common

extensor origin(

5xtensor expansions ofmedial four fingers

Posteriorinterosseous nere

$C7* C/(

5xtends medial fourfingers primaril# at

metacarpophalangeal?oints* secondaril# at

interphalangeal ?oints.



10/34

E)tensor

&i*iti

Mini#i

!ateral epicond#le of

humerus $common extensororigin(

5xtensor expansion of th

finger

Posterior

interosseous nere$C7* C/(

5xtends thfinger

primaril# atmetacarpophalangeal

?oint* secondaril# atinterphalangeal ?oints

E)tensor

Carpi

Ulnaris

!ateral epicond#le ofhumerus; posterior border of

ulna ia a sharedaponeurosis

,orsal aspect off base ofthmetacarpal

Posteriorinterosseous nere

$C7* C/(

5xtends and adducts handat rist ?oint $also actie

during rist flexion(

Supinator !ateral epicond#le ofhumerus; radial collateral

and anular ligaments;supinator fossa; crest of ulna

!ateral posterior* andanterior surfaces of

proximal third of radius

,eep branch of radialnere

$C7* C/(

Supinates forearm; rotatesradius to turn palm

anteriorl# or superiorl#

E)tensor

In$icis

Posterior surface of distalthird of ulna andinterosseous membrane

5xtensor expansion of2ndfinger

Posteriorinterosseous nere$C7* C/(

5xtends 2ndfinger$enabling its independentextension(; helps extend

the rist ?oint



11/34

Ab$uctor

Pollicis

Lon*us

Posterior surface of proximal

hales of ulna* radius andinterosseous membrane

8ase of 1stmetacarpal Posterior

interosseous nere$C7* C/(

"bducts thumb and extends

it at carpometacarpal ?oint

E)tensorPollicis

Lon*us

Posterior surface of middlethird of ulna andinterosseous membrane

,orsal aspect of base ofdistal phalanx of thumb


5xtends distal phalanx ofthumb at interphalangeal

?oint; extendsmetacarpophalangeal and

carpometacarpal ?oints

E)tensor

Pollicis'revis

Posterior surface of distalthird of radius andinterosseous membrane

,orsal aspect of base ofproximal phalanx ofthumb


5xtends proximal phalanxof thumb atmetacarpophalangeal ?oint;extends carpometacarpal

?oint

T,ENAR MUSCLESMUSCLE ORIGIN INSERTION N/S ACTION


12/34

Opponens

pollicis

=lexor retinaculum and

tubercles of scaphoid andtrapeium

!ateral side of 1st

metacarpal

:ecurrent branch of

median nere$C/* 01(

0o oppose thumb* it dras

1stmetacarpal mediall# tocentre of palm and rotates itmediall#

Ab$uctor

Pollicis

'revis

=lexor retinaculum andtubercles of scaphoid andtrapeium

!ateral side of base ofproximal phalanx ofthumb

:ecurrent branch ofmedian nere$C/* 01(

"bducts thumb; helpsoppose it

le)or

Pollicis'revis

=lexor retinaculum and

tubercles of scaphoid andtrapeium

!ateral side of base of

proximal phalanx ofthumb

:ecurrent branch of

median nere$C/* 01(

=lexes thumb

A$$uctor

Pollicis

Oblique Head:8ases of 2ndand )rdmetacarpals* capitate*

ad?acent carpalsransverse Head:"nteriorsurface of shaft of )rdmetacarpal

Medial side of base ofproximal phalanx of

thumb

,eep branch of ulnarnere

$C/* 01(

"dducts thumb toardlateral border of palm

,-POT,ENAR MUSCLESMUSCLE ORIGIN INSERTION N/S ACTION


13/34

Ab$uctor

&i*iti

Mini#i

Pisiform Medial side of base of

proximal phalanx of thfinger

,eep branch of ulnar

nere$C/* 01(

"bducts thfinger* assists in

flexion of its proximalphalanx

le)or

&i*iti

Mini#i

'revis

6ooA of hamate and flexor

retinaculum

Medial side of base of

proximal phalanx of thfinger


nere$C/* 01(

=lexes proximal phalanx of

thfinger

Opponens

&i*iti

Mini#i

6ooA of hamate and flexorretinaculum

Medial border of thmetacarpal

,eep branch of ulnarnere$C/* 01(

,ras thmetacarpalanterior and rotates it*

brings the thfinger intoopposition ith thumb

S,ORT MUSCLESMUSCLE ORIGIN INSERTION N/S ACTION


14/34

Lu#brical

.st 0n$

!ateral to tendons of flexor

digitorum profundus

!ateral sides of extensor

expansions of 2nd-thfingers

Median %ere

$C/* 01(

=lex metacarpophalangeal

?oints; extendinterphalangeal ?oints of2nd-thfingers

Lu#brical

1r$ 2t%

Medial three tendons of

flexor digitorum profundus

!ateral sides of extensor

expansions of 2

nd

-

th

fingers


nere$C/* 01(

=lex metacarpophalangeal

?oints; extendinterphalangeal ?oints of2nd-thfingers

&orsal

interossei

.st 3 2t%

"d?acent sides of tometacarpals

8ases of proximalphalanges; extensorexpansions of 2nd-+th

fingers

,eep branch of ulnarnere$C/* 01(

"bduct 2nd-+thfingers fromaxial line; act ithlumbricals in flexing

metacarpophalangeal ?oints

and extendinginterphalangeal ?oints

Pal#ar

interossei

.s t3 1r$

Palmar surfaces of 2nd* +thand thmetacarpals

8ases of proximalphalanges; extensor

expansions of 2nd* +thandthfingers

,eep branch of ulnarnere

$C/* 01(

"dduct 2nd* +thand thdigitstoard axial line and assist

lumbricals in flexingmetacarpophalangeal ?ointsand extendinginterphalangeal ?oints

SUPRA,-OI& MUSCLES


15/34

MUSCLE ORIGIN INSERTION N/S ACTIONM4lo%4oi$ M#loh#oid line of mandible M#loh#oid raphe and

bod# of h#oid%ere to M#loh#oid* abranch of inferioraleolar nere $frommandibular nere* C%


16/34


17/34

INRA,-OI& MUSCLESMUSCLE ORIGIN INSERTION N/S ACTION

Sterno%4oi$ Manubrium of sternum andmedial end of claicle

8od# of h#oid C1 C) b# branch ofansa cericalis

,epresses h#oid aftereleation during salloing

O#o%4oi$ Superior border of scapulanear suprascapular notch

'nferior border of h#oid C1 C) b# branch ofansa cericalis

,epresses* retracts* andsteadies h#oid

Sternot%4roi$ Posterior surface ofmanubrium of sternum

bli@ue line of th#roid

cartilage

C2 and C) b# branch

of ansa cericalis

,epresses h#oid and lar#nx

T%4ro%4oi$ bli@ue line of th#roidcartilage

'nferior border of bod#and greater horn of

h#oid

C1 ia h#poglossalnere $C% &''(

,epresses h#oid andeleates lar#nx

ANTERIOR 5ERTE'RAL MUSCLES


18/34

MUSCLE ORIGIN INSERTION N/S ACTIONLon*us Coli "nterior tubercle of C1

ertebra $atlas(; bodies of C1 C) and 0.Ps of C) C4ertebrae

8odies of C 0)ertebrae; 0.Ps of C) C ertebrae

"nterior rami of C2 C4 spinal neres

=lexes necA ith rotation toopposite side if actingunilaterall#

Lon*us Capitis 8asilar part of occipital bone "nterior tubercles of C) C4 0.Ps

"nterior rami of C1 C) spinal neres

=lex head

Rectus Capitis

Anterior

8ase of SAull* ?ust anterior

to occipital cond#le

"nterior surface of

lateral mass of atlas$C1 ertebra(

8ranches from loop

beteen

=lex 6ead

Rectus Capitis

Lateralis

3ugular process of occipitalbone

0.Ps of atlas $C1( 8ranches from loopbeteen C1 and C2spinal neres

=lexes head and helpsstabilie


19/34

LATERAL 5ERTE'RAL MUSCLES


20/34

MUSCLE ORIGIN INSERTION N/S ACTIONSplenius Capitis 'nferior nuchal ligament and

S.Ps of superior 4 thoracicertebrae

!ateral aspect of mastoidprocess and lateral thirdof superior nuchal line

Posterior rami ofmiddle cerical spinalneres

!aterall# flexes and rotateshead and necA to same side>

bilaterall# extends head andnecA

Splenius Cervicis%uchal !igament and S.Psof C7 0) or 0+ ertebrae

0ubercles of 0.Ps of C1 C) or C+ ertebrae

Posterior rami ofspinal neres

!aterall# flexes and rotateshead and necA to same side>

bilaterall# extends head andnecA

Anterior Scalene 0.Ps of C+ C4 1strib Cerical spinal neres

C+ C4=lex 6ead

Mi$$le Scalene Posterior tubercles of 0.Psof C+ C4 ertebrae

Superior surface of 1strib; posterior grooe forsubclaian arter#

"nterior rami ofcerical spinal neres

=lexes necA laterall#;eleates 1strib during forcedinspiration

Posterior Scalene Posterior tubercles of 0.Psof C+ C4 ertebrae

5xternal border of 2ndrib "nterior rami of

cerical spinal neresC7 and C/

=lexes necA laterall#;

eleates 2ndrib duringforced inspiration

SU'OCCIPITAL MUSCLES


21/34

MUSCLE ORIGIN INSERTION N/S ACTIONSuperior Obli6ue 0.P of C1 ccipital bone beteen

superior and inferiornuchal line

Suboccipital %ere

In!erior Obli6ue S.P of C2 0.P of C1 Suboccipital %ere

Rectus Capitis

Posterior Ma"or

S.P of C2 'nferior nuchal line of

occipital bone

Suboccipital %ere

C1

Rectus Capitis

Posterior Minor

Posterior tubercle of arch ofertebra o C1

'nferior nuchal line ofoccipital line

8ranch of Suboccipital%ere

:ectus CapitisPosterior Minor

:ectus Capitis

Posterior Ma?or

bli@ue Superior

bli@ue 'nferior


22/34



23/34

Plat4s#a 'nferior border of mandible*sAin* and subcutaneoustissues of loer face

=ascia coering superior

parts of pectoralis ma?orand deltoid muscles

Cerical branch of

=acial nere$C% "nterior surface ofmanubrium of sternumClavicular Head:Superior surface of

medial third of claicle

Spinal "ccessor#nere $C% &'(;C2 and C) neres

"nilateral contraction:

0ilts head to same side androtates it so face is turnedsuperiorl# toard opposite side#ilateral contraction:

1. extends necA at " ?oints

2. flexes cerical ertebrae sothat chin approachesmanubrium). extends superior cerical

ertebrae hile flexing inferiorertebrae so chin is thrustforard ith head Aept leel

ACIAL MUSCLESMUSCLE ORIGIN INSERTION N/S ACTION
http://images.google.com.au/imgres?imgurl=http://www.atlantadentist.com/sternocleidomastoid.jpg&imgrefurl=http://www.atlantadentist.com/sternocleidomastoid.html&h=235&w=220&sz=39&hl=en&start=1&tbnid=eQ1P189JCA_ynM:&tbnh=109&tbnw=102&prev=/images%3Fq%3Dsternocleidomastoid%26gbv%3D2%26svnum%3D10%26hl%3Denhttp://images.google.com.au/imgres?imgurl=http://www.yorku.ca/earmstro/journey/images/platysma.jpeg&imgrefurl=http://www.yorku.ca/earmstro/journey/facial.html&h=266&w=212&sz=13&hl=en&start=6&tbnid=jUg0m5qfZFREGM:&tbnh=113&tbnw=90&prev=/images%3Fq%3Dplatysma%26gbv%3D2%26ndsp%3D20%26svnum%3D10%26hl%3Den%26sa%3DN


24/34

Occipito!rontalis

rontal bell4

Occipital bell4

5picranial aponeurosis

!ateral to thirds of

superior nuchal line

SAin and subcutaneous

tissue of e#ebros andforehead

5picranial aponeurosis

C%


25/34

ACIAL MUSCLESMUSCLE ORIGIN INSERTION N/S ACTION


26/34


27/34

Te#poralis 0riangular muscle ithbroad attachment to floor oftemporal fossa and deepsurface of temporal fascia

%arro attachment to lip

and medial surface ofcoronoid process andanterior border of ramusof mandible

C%


28/34

Iliocostalis.:

Lon*issi#us0:

Spinalis1:

"rises b# a broad tendon

from posterior part of iliaccrest* posterior surface ofsacrum* sacroiliacligaments* sacral and

inferior lumbar S.Ps* andsupraspinous ligament

!umboruum* thoracic *

cericis; fibres runsuperiorl# to angles ofloer ribs and cerical0.Ps

Posterior rami of

spinal neres

#ilaterall!:5xtend ertebral

column and head; as bacA isflexed* control moement

b# graduall# lengtheningtheir fibres"nilaterall!:!aterall# flexertebral column

"rises b# a broad tendonfrom posterior part of iliaccrest* posterior surface ofsacrum* sacroiliac

ligaments* sacral andinferior lumbar S.Ps* andsupraspinous ligament

0horacic * cericis*capitis; fibres runsuperiorl# to ribs

beteen tubercles and

angles to 0.Ps inthoracic and cericalregions* and to mastoid

process


#ilaterall!:5xtend ertebralcolumn and head; as bacA isflexed* control moement

b# graduall# lengthening

their fibres"nilaterall!:!aterall# flexertebral column

"rises b# a broad tendon

from posterior part of iliaccrest* posterior surface ofsacrum* sacroiliacligaments* sacral andinferior lumbar S.Ps* and

supraspinous ligament

0horacic* cericis*

capitis; fibres runsuperiorl# to S.Ps in theupper thoracic regionand to the cranium

Posterior rami of

spinal neres

#ilaterall!:5xtend ertebral

column and head; as bacA isflexed* control moement

b# graduall# lengtheningtheir fibres"nilaterall!:!aterall# flex

ertebral column

TRANS5ERSOSPINALIS MUSCLES


29/34

MUSCLE ORIGIN INSERTION N/S ACTIONSe#ispinalis "rises from 0.Ps of C+

C12 ertebrae0horacic* cericis*capitis; fibres runsuperomediall# tooccipital bone and S.Ps

in thoracic and cerical

regions spanning + 4segments


5xtends head and thoracicand cerical regions ofertebral column and rotatesthem contralaterall#

Multi!i$us "rises from posteriorsacrum* posterior superioriliac spine of ilium*aponeurosis of erector

spinae* sacroiliac ligaments*

mamillar# processes oflumbar ertebrae* 0.Ps of01 0). articular processes

of C+ C7

0hicAest in lumbarregion; fibres passobli@uel#superomediall# to entire

length of S.Ps of

ertebrae * located 2 +segments superior toorigin


Stabilies ertebrae duringlocal moements ofertebral column

Rotatores "rise from 0.Ps ofertebrae; best deeloped in

thoracic region

=ibres passsuperomediall# to attach

to ?unction of lamina and0.Ps or S.Ps of ertebraimmediatel# $breis( or2 segments $!ongus(

superior to ertebra oforigin


Stabilie ertebrae andassist ith local extension

and rotator# moements ofertebral column; ma#function as organs of

proprioception

ANTEROLATERAL A'&OMINAL ;ALL MUSCLES


30/34

MUSCLE ORIGIN INSERTION N/S ACTIONE)ternal

Obli6ue

5xternal Surfaces of ribs -12

!inea "lba* pubictubercle* anterior half ofiliac crest

'nferior 4 0horacicneres* and subcostalneres.

Compresses and supportsabdominal iscera* flexesand rotates trunA.

Internal

Obli6ue

0horacolumbar =ascia*anterior 2B) of iliac crest*lateral D of inguinal

ligament.

'nferior borders of 1Eth-12thribs* !inea "lba*con?oint tendon.


31/34

MUSCLE ORIGIN INSERTION N/S ACTIONPsoas

Ma"or

0Ps of !umbar


32/34

MUSCLE ORIGIN7sup8 INS 7in!8 N/S ACTION&iap%ra*# Sternal origins* costal

origins* ertebral origins*median arcuate ligament$aorta(* medial arcuate

ligament $psoas(* lateral

arcuate ligament $!(

=ibres runsuperomediall# toconerge and insert intoa central tendon

:F! Phrenic %eres$C)-+- Aeeps thediaphragm alie(

E)ternal

Intercostals

'nferior border of ribs Superior border of ribs 'ntercostal neres 5leates ribs during forcedinspiration.

Internal

Intercostals

'nferior border of ribs Superior border of ribs 'ntercostal neres 'nterosseous part depresses

ribs* interchondral parteleates ribs during actierespiration.


33/34

Serratus Posterior

Superior

%uchal !igament* spinous

processes of C7-0)ertebrae

Superior borders of 2ndto

+thribs

2ndto thintercostal

neres

5leates ribs

Serratus Posterior

In!erior

Spinous Processes of 011-!2ertebrae

'nferior borders of /th-12th ribs near angles.

"nterior :ami of 0G-012 thoracic spinalneres

,epresses :ibs


34/34

Toilet Wall Muscle o,i,A,Ns

Documents

Transcript of Toilet Wall Muscle o,i,A,Ns