HOSIN – SOOL – TÉCNICAS DE DEFENSA PERSONAL

through the sl·mllo>ving c ent er, b l ock any contraction waves pas s ing

through o r b eing initiated L� this region of the es ophagus.

Altel�tiv ely, thos e obs erva t i ons could b e int e rpret ed as an indication of distal neuromuscular activity b eing at l eas t partly related to or c ont rolled by the proc eeding activity in tw re proxir::t.J.l

es ophageal ::wgm ents. It is sugc;es ·c e d that the normal funct ion and pas sage of a bo lus through any part of the cs o:phagus is dependent t o s ome ext ent on the normal neuro1mscular ros pon:::; es a n d th e passage o f

a bolus th:r:ough the adjacent proxih.al s cgillent. Longhi and Jordan

(

1

971 )

reached a s iLlilo.r c onc lus iOi.1 and IIondri::�

( 1 974 )

sugges ts that the

c ont ro l of thj_s int erdep endenc e is m ediat ed through the c entral sual lo11ing c cmc cr. L parc:,lys ed c ervical es o�:llagus wo ctld int errupt

the uav e s equenc e , and perhaps ::mo t h er 1·r::v 8 typ e , a l boi t l ess

effic i ent , could be involved dis t.J.l t o t h e p�ralys od ret:;i on.

'.Chi:::; phenomenon of t cr,ipor..lry p.J.res is and meal retent ion in u.n appa.ronjcly normal s egment of es ophat,"US distal to a paralys e d s egment

was s itaiJ.arly obs erved in tuo dog:.:J aft er bil<::.t er.::>..l r,,curroat lu.ryngoal

nourect oe1y , fwroove r , t llis phenomenon e-Tas als o ob:3 ervcd i:1 three intact

doGs : in the choracic os ophagus in hro dogs , and.

in

tho c orvicnl and

thorac ic es ophagus of the other dog. If plu.t e radiogrdphs h.sd b een

taken of t he s e clinica.l ly normal dogs Khen the large mass of meal was

temporarily in the tho rac ic regi on, a complet ely fals e diagnosis of ach.J.lasia or megaes ophagus illc:ty have been indicat ed.

Aft er bilat eral t rans ection of the pha_ryngo_csopha_geal nerven ,

the c ervic al es ophagus remained paralysed throughout the 45 day

postoperativ e obs ervation period . 'fhis c ont ras ts with the findings

" in the cours e of

a

fe1v tme::.;:s n , and his opinioi1.

vms that

the recurrent

lar-.tneeal nerv es gain ed c o n �rol of the �.notili

ty of the c erv ical es

ophagus

and

ue1·e respons ibl e for its rec ov ery .

Previoua l y ,

it he.

s b een s ta t ed t hat the :cecurrent la r.}'Jlgeal nerv es •re:re entirely s ens ory to tile c ervicc.l

esophaguG (Chauveau,

1 891 ) .

Hm·reve:r, i

n

this current expe riillent it uas found

that ,

uhen

these nerves 1wre trans e c t ed at their origins ,

the

c e:;:vico.l es ophagus funct ionec"t. ab

n

ormally in tha.t the cont rac t ion ;rav es appea:ced t o be l os s

effic ient than

before t rans ection . On e explm::.o.tiu:1 COi'.lu

be

that

thes e nerv es c o ntribut e mo_tor s

up1

�l

y to

this region of the es opl1a,;us .

Other vmrkers have als o c oncluded Jc11at the recurrent nc;:tvos a.re

involv ed in the motor c o ntrol of the c e rvical e:soJla;<;Lls

(

Kroneclwr

and J"uscrw r ,

1 S96 ;

Lemer e ,

1 932b ;

II1·rang,

1 'J5 :J ) ,

<-.ltho1.1.gh i.: er JGre

( 1 932b )

states tll.:.t t}w pa rarecurrent nerves a re lllot_or

,

s e c r etouot or , and s ens o ry t o t11e lo\;er t im thirds of t�1is reci m1 , and �iuanG

( 1 95 3 )

coul d , �y el ect:cic::;.lly s t iPmlat ing the rccur1·ent lal�y-n,;enl nerves at

the bas e of the neck , produc t a co11tra c t i on

of

the c orv ic:al es o pha r;v.s

but only aft

er

t rans ec tion of the pharyn:;oesophac;eal EGivos and not b efore .

�lhen both recurrent

laryngeal n

e

rve

s

;.rcre transec

t

ed

at their

o

r

it;

ins

,

no

external

si

gns

of

e

s ophag

e

a.l d

ys

fun

c

t

ion 1vere obs erved

even though

r

a

d

io

g

r

aphic examination reveal ed that tho

esophagus in

t

he cranial tho

r

acic

r

e

gi

o

n was

paralys ed.

'rlw

dis t ribution patt ern of the l eft pararecurrent laryngeal

In document La enseñanza del tae Kwondo como medio facilitador en el tratamiento de la obesidad infantil (página 71-75)