I-radial nerve ingenye yezinzwa eziyinhloko zesitho esingaphezulu, esibhekene nokungena ngaphakathi kwemisipha nesikhumba sesifunda esingemuva kwengalo, ingalo, nesandla. Isuka ku-plexus ye-brachial futhi igijima ingalo ize ifike esandleni, lapho ihlukana khona ibe amagatsha ukuze ingabonakali izakhiwo ezihlukene. Imisebenzi yayo eyinhloko ihlanganisa ukunwetshwa kwesihlakala, iminwe, nesithupha, kanye nokuzwela endaweni yomgogodla wesandla. Kulesi sihloko, sizoxoxa nge-anatomy nemisebenzi ye-radial nerve ngokuningiliziwe.
Yini ukubaluleka kanye nomsebenzi we-radial nerve emzimbeni womuntu?
I-radial nerve ingenye yezinzwa ezibaluleke kakhulu emzimbeni womuntu, edlala indima ebalulekile ekungeneni kwezifunda ezahlukahlukene. Isuka ku-plexus ye-brachial futhi igijima bonke ubude bengalo, inikeza ukuzwa nokunyakaza ezakhiweni ezihlukahlukene.
Omunye wemisebenzi eyinhloko yenzwa ye-radial ukulawula imisipha ye-extensor yengalo, okuvumela ukunyakaza okunwetshiwe kwesihlakala neminwe. Iphinde ivikele isikhumba ngemuva kwengalo, ingalo, nesandla.
Lapho i-radial nerve ilimale, izimpawu ezinjengobuthakathaka bemisipha, ukuncenceza, ukuba ndikindiki, ngisho nokulahlekelwa ukuzwa kwezinye izindawo kungase kwenzeke. Lokhu kungakhinyabeza kakhulu amandla okwenza imisebenzi yansuku zonke, efana nokubamba izinto noma ukunyakaza kahle kwezandla.
Ngakho-ke, kubalulekile ukugcina ubuqotho be-radial nerve futhi ufune ukwelashwa okufanele uma kwenzeka kulimala. Ukwelashwa ngokomzimba, imithi, futhi, kwezinye izimo, ukuhlinzwa kungase kudingeke ukubuyisela ukusebenza okujwayelekile kwezinzwa nokugwema izinkinga zesikhathi eside.
Ngakho-ke, kubalulekile ukuqaphela izimpawu zokulimala futhi ufune usizo lwezokwelapha noma nini lapho kudingekile.
Yimiphi imisipha engavinjelwa yi-radial nerve?
I-nerve ye-radial inesibopho sokugcina imisipha eminingana yomlenze ongaphezulu. Eminye yemisipha eyinhloko engenakuvinjelwa yile nerve ihlanganisa triceps brachii, noma i-anconeus, noma i-extensor carpi radialis longus, noma i-extensor carpi radialis brevis, noma extensor yeminwe futhi i isandiso sesithupha.
Ithini incazelo ye-radial ku-anatomy yomuntu nokubaluleka kwayo ezithweni ezingaphezulu?
Umsipha osabalalayo Ingenye yezinzwa ezinhlanu eziyinhloko ezihlinzeka ngezitho ezingenhla emzimbeni womuntu. Isuka ku-brachial plexus, inethiwekhi yezinzwa ezisentanyeni nasemahlombe. I-radial nerve yehla engalweni, idlule endaweni yendololwane futhi iqhubeke yehle kuze kufike engalweni nasesandleni.
Umsebenzi wayo oyinhloko uwukunikeza imisipha enwetshiwe yesihlakala, iminwe, nesithupha, ngaleyo ndlela inike amandla ukunyakaza okunwetshiwe kulawa malungu. Ngaphezu kwalokho, i-radial nerve inesibopho sokuzwela endaweni ye-dorsal yesandla neminwe.
Ukubaluleka kwenzwa osabalalayo Ezithweni ezingenhla, kubalulekile ukwenza imisebenzi ehlukahlukene yansuku zonke, njengokubamba izinto, ukubhala, ukuthayipha, nokwenza ukunyakaza kokuncinza. Noma yikuphi ukulimala noma ukucindezelwa kwale nzwa kungaholela ebuthakathakeni bemisipha, ukuba ndikindiki, ukuntweza, ngisho nokulahlekelwa ukusebenza kwesandla nesihlakala.
Ngakho-ke, kubalulekile ukwazi i-anatomy nemisebenzi ye-nerve osabalalayo ukuqinisekisa impilo nokusebenza kahle kwezitho ezingaphezulu, kanye nokubona kusenesikhathi noma yiziphi izinkinga ezingase ziphakame kulesi sifunda somzimba.
Imiphumela yokulimala kwenzwa ye-radial: thola ukuthi kwenzekani uma isengozini.
I-radial nerve ingenye yezinzwa eziyinhloko ezingalweni, ezibhekene nemisipha engapheli futhi inikeze ukuzwa ezindaweni ezithile zesitho esiphezulu. Lapho le nerve isengozini, kungakhathaliseki ukuthi ukulimala okubuhlungu, ukucindezela, noma ezinye izimbangela, imiphumela eminingana ingavela.
Omunye wemiphumela eyinhloko yokulimala kwe-radial nerve ubuthakathaka bemisipha. Lokhu kwenzeka ngoba i-radial nerve ivalela imisipha ye-extensor yesihlakala, iminwe, nendololwane. Ngakho-ke, lapho le nerve isengozini, umuntu angase abe nobunzima bokwenza ukunyakaza okunwetshiwe, njengokwelula isihlakala noma iminwe.
Ngaphezu kobuthakathaka bemisipha, ukulahlekelwa ukuzwa kungase futhi kube umphumela wokulimala kwenzwa ye-radial. Lokhu kwenzeka ngoba kunikeza inzwa ezindaweni ezithile zesandla nengalo. Ngakho-ke, umuntu angase abe ndikindiki, alume, noma angabi namizwa kwezinye izindawo.
Omunye umphumela obalulekile wokulimala kwenzwa ye-radial ukungasebenzi kahle kwemoto esandleni. Ngenxa yokuthi i-radial nerve ivalela izicubu ezinomthwalo wemfanelo wokunyakaza okunembile, njengemisipha yokukhipha umunwe, umuntu angase abe nobunzima bokwenza imisebenzi edinga ukunemba, njengokubhala noma ukuphatha izinto ezincane.
Ngakho-ke, kubalulekile ukufuna usizo lwezokwelapha uma usola ukulimala kule nerve, ukuze wenze ukuxilongwa okulungile futhi uqale ukwelashwa okufanele.
I-radial nerve: i-anatomy nemisebenzi
O i-radial nerve iyinzwa eseceleni emzimbeni womuntu engavaleli indawo engemuva kwemikhawulo engaphezulu. Isuka ku-posterior fascicle ye-plexus ye-brachial futhi ithola iminikelo evela ezimpandeni zemizwa yomgogodla i-C5, i-C6, i-C7, i-C8, ne-T1.
I-radial nerve ihlinzeka ngokusebenza kwe-motor kanye nezinzwa engalweni nasengalo, kanye nokungangeni kwezinzwa esandleni. Isuka entanjeni yangemuva ye-brachial plexus, ngemuva komthambo we-axillary, futhi itholakala ekhwapheni. Ifinyelela engxenyeni engemuva yengalo, idlule ngaphansi kwemisipha emikhulu ye-teres.
Kuleli gumbi, izungeza umsele ozungezayo we-humer, ehambisana nomthambo ojulile we-brachial. Ibe isingena ku-lateral intermuscular septum ize ifike engxenyeni engaphambili yengalo.
Bese, idlula ngendololwane ukuze ifinyelele ingalo. Lapho ingena ku-cubital fossa, ihlukana ibe amagatsha angaphandle najulile.
- Igatsha elijulile: Inemisebenzi ye-motor futhi ivimbela iningi lemisipha engxenyeni engemuva yengalo. Kusukela kuleli gatsha, i-posterior interosseous nerve, edlula phakathi kwemisipha ye-supinator, ingena engxenyeni engemuva ye-forearm futhi inqamule ekuhlanganyeleni kwesihlakala.
- Igatsha eliphezulu: Inesibopho sokugcina izinzwa, ikakhulukazi isikhumba, izandla, neminwe. Leli gatsha le-radial nerve ligijimela ohlangothini lwesihlakala kuya kumthambo we-radial bese lingena esandleni. Lapho, ihlukana ibe amagatsha e-digital cutaneous.
Imisebenzi ye-radial nerve
I-radial nerve ihlinzeka ngeziphetho zemizwa yemisipha yengalo, ingalo, isihlakala, nesandla, futhi inikeza nokuzwa ngemuva kwesandla. Iningi lemisipha i-radial nerve activates iyimisipha ephumayo.
Imisebenzi yenjini
I-radial nerve inikeza ukunyakaza emisipha etholakala ngemuva kwendawo yengalo engenhla, kanye ne-forearm yangemuva.
Esifundeni sengalo, i-radial nerve ivalela amakhanda amathathu e-tricep brachii, esiza ukunweba ingalo endololwaneni.
Le nerve nayo inesibopho semisipha yengalo yangemuva, njenge-extensor brachioradialis ne-carpi radialis longus.
Igatsha elijulile le-radial nerve, okuyigatsha elibulalayo, alivali imisipha esele yengalo yangemuva. Le misipha ngokuvamile isebenzela ukunweba amalunga esihlakala neminwe. Bavumela futhi ukukhonjiswa kwengalo.
Imisebenzi yezinzwa
Kunamagatsha amane we-radial nerve enza innervate isikhumba semikhawulo engaphezulu. Ezintathu zazo zisuka engalweni. Lawa magatsha:
– Inzwa engaphansi kwe-lateral cutaneous yengalo: inikeza ukuzwa engxenyeni engemuva yengalo, ngaphansi komsipha we-deltoid.
– I-Posterior cutaneous nerve yengalo: yenza indawo engemuva yengalo isebenze.
- I-Posterior cutaneous nerve of the forearm: ivala indawo yesikhumba enqamula phakathi nengalo, ukusuka endololwaneni kuye esihlakaleni.
- Igatsha elingaphezulu: Lokhu ukuhlukaniswa kwe-radial nerve. Yenza kusebenze indawo engemuva yesandla, kanye nesithupha, umunwe wokukhomba, umunwe ophakathi, nomunwe ophakathi womunwe wendandatho.
I-Radial nerve pathologies
I-Radial nerve pathologies ingaba yinkimbinkimbi futhi ingenzeka noma yikuphi (ezingeni le-axillary, emhubheni we-radial, ku-posterior interosseous, egatsheni elingaphezulu, njll.).
- Umhubhe we-radial
Enye ye-pathologies evame kakhulu i-radial tunnel syndrome. Kuhilela ukucindezelwa kwenzwa engemuva kwe-interterosseous engalweni, ngemuva kwengalo, noma endololwaneni. Izimbangela zayo eziyinhloko ukuhlukumezeka, izimila, ama-lipomas (izimila zezicubu ze-adipose), ama-gabions (ama-cysts), ukuvuvukala, njll.
Izimpawu eziyinhloko yilezi: izinhlungu zokugwaza engxenyeni engenhla yengalo, ingemuva lesandla, nohlangothi olulodwa lwendololwane. Lobu buhlungu buyakhula lapho isiguli sinweba isihlakala neminwe.
Ngokungafani namanye ama-nerve pathologies, akubangeli ukuba ndikindiki ngoba i-radial nerve ingena ngaphakathi kwemisipha.
Ukwelashwa kuhlanganisa isihlakala kanye/noma ukuphotha kwendololwane. Nakuba lokhu kungayixazululi inkinga, kungase kudingeke ukuhlinzwa.
- i-radial europathy
Uma i-radial nerve ilimale, ingaholela ku-radial neuropathy, eyaziwa nangokuthi i-radial nerve palsy. Lokhu kungabangelwa izici eziningi, okuhlanganisa i-humer ephukile, ukulala endaweni engakhululekile, izifo, ngisho nokuchayeka ebuthini.
Kuvela njengokushoshozela, ukuba ndikindiki, ubuthakathaka, noma ubunzima bokunyakazisa isihlakala, isandla, noma iminwe. Kungase kuhambisane noma kungahambi nobuhlungu. Lokhu kulimala kwelashwa ngokubhekana nezimbangela zakhona.
- Ukuhlukaniswa ngokwendawo
Ukulimala kwe-radial nerve kungahlukaniswa ngamaqembu amathathu ngokusho kwendawo yomonakalo, njengoba izimpawu zizohluka.
Ezingeni lamakhwapha
I-nerve ye-radial ingalimala kule ndawo ngokukhishwa kwehlombe noma ukuphuka kwe-humer eseduze. Izimpawu zihlanganisa ukushoda kwezimoto ku-triceps brachii kanye nemisipha ye-posterior compartment.
Ngenxa yalokho, isiguli asikwazi ukunweba ingalo, isihlakala, noma iminwe. Ukunwebeka kwesihlakala okungaphikiswa kuvamile. Ngaphezu kwalokho, amagatsha amane e-cutaneous nerve radial nawo ayathinteka.
Kukhona ukulahlekelwa ukuzwa engalweni engemuva nangaphezulu, ingalo yangemuva, kanye nengemuva leminwe emithathu yokuqala.
I-Radial groove
I-radial nerve isengozini yokulimala uma kukhona ukuphuka kwe-humeral shaft. Lokhu kubonakala njengobuthakathaka (kodwa hhayi ukukhubazeka) kwe-triceps brachii, kanye nezinkinga zokunwetshwa kwesandla nomunwe ngenxa yezinguquko engalweni yangemuva.
Ekhwapheni
Ngenxa yokuthi kunamagatsha amabili abulalayo engxenyeni engaphambili, izimpawu ziyahlukahluka kuye ngokuthi igatsha elithintekile. Ngakho-ke, isilonda esihilela igatsha elingaphandle sikhiqiza ukulahlekelwa kwezinzwa eminwe engenalutho kanye nesundu esihlobene, ngokulondolozwa kwemisebenzi yemoto.
Ukulimala kwegatsha elijulile kuthinta imisebenzi yemoto yemisipha ye-forearm ngaphandle kokulahlekelwa kwezinzwa.
Kubuye kubonakale ekulahlekelweni kokuzwa kwengxenye yomgogodla yeminwe emithathu yokuqala nengxenye yendandatho, kanye nesundu esihlobene.
Ukuze uthole izimpawu, imithi elwa nokuvuvukala, ama-analgesics, ama-anticonvulsants, noma ama-tricyclic antidepressants angase abekwe. Kungase kunconywe izinsiza zamathambo noma izinzipho, kanye nokwelashwa ngokomzimba.
Izinkomba
- Ukulimala kwenzwa ye-radial. (n.d.). Ibuyiselwe ngomhla ka-Ephreli 16, 2017, kusukela ku-Healthline: healthline.com.
- Knipe, H. (n.d.). I-Radial nerve Itholwe ngo-April 16, 2017, kusukela ku-Radiopaedia: radiopaedia.org.
- I-radial nerve (n.d.). Ibuyiselwe ngomhla ka-Ephreli 16, 2017, isuka ku-Wikipedia: en.wikipedia.org.
- Steinberg, D. (n.d.). I-Radial Tunnel Syndrome. Ibuyiselwe ngomhla ka-Ephreli 16, 2017, Isuka kuManuwali ye-MSD: msdmanuals.com.
- I-RADIAL NERVE. (n.d.). Ibuyiselwe ngomhla ka-Ephreli 16, 2017, kusukela ku-Teach Me Anatomy: teachingmeanatomy.info.