UkubunjwaImfundo Secondary nezikolo

Kwemilenze Human: isakhiwo. komzimba Human: izihlunu umlenze

yesiqephu Lower zisebenza njengomsebenzi izixhobo weentshukumo. Xa lihamba inkxaso ncinane ukuya phezulu, oko kukuthi, emqolo, ezinqeni okanye iziphelo ephezulu, utshintsho umsebenzi kwezihlunu kunye notshintsho ngakwicala saliphosa. Irubrikhi uphawu ezahlukeneyo kwisindululo elinye okanye elinye lomzimba.

Eli nqaku lijongana kunye nokwakheka iinyawo kunye nesakhiwo yonke kwemilenze yabantu ngokukodwa.

Amathambo namalunga

isiseko bone Solid le nemilenze zinika yifemur, enkulu kunye lesiquluba. Umthwalo eziphambili iwela phezu kwabo. Kulo mzekelo, inkulu kule nxalenye kwakunye umzimba uphela yifemur. Ezincinane kunye lesiquluba kunye zibumba umzantsi womlenze nasezantsi unyawo kulapho amathambo kufuneka isakhiwo ezintsonkothileyo ngamathambo ezininzi ezincinane. Phakathi ke amalungu Abayili yekani ukuba ukuhamba kangaka. Ivumela umntu ukuba babe ngabantu abakwizihlalo izinzile.

Amalungu inkulu kakhulu iinyawo womlenze, nanamhla iqatha nedolo, ngalinye elinoxanduva na intshukumo. Xa beqala kakuhle, ngoko ke intshukumo kunzima, kwaye zinokude nzima ukuyenza.

imithambo yegazi kwalapho

nemilenze kufuneka eninzi ioksijini nesondlo. Ngoko ke, kukho iphuhlise inkqubo olubanzi nemithambo, nto leyo eqinisekisa ukuba inxalenye yegazi. The main nqanawa apha - umthambo femoral. Lonke igazi yesiqephu asezantsi kubonelelwe ngalo. Ngaphezu koko, ukuba amasebe abe ezininzi kwamasebe, ekugqibeleni ezenza uthungelwano capillary. Vienna phinda lokuqhubeka kwemithambo.

Ngaphandle abese-luvo intshukumo bekuya kuba nzima. Luvo zizwana kwizihlunu, kokuyenza isebenze kubo xa kuyimfuneko. Ubume bale imilenze lilonke isakhiwo izihlunu unyawo ngokobuntu (jonga ifoto. Ngezantsi), ngokukodwa esekelwe imithetho efanayo njengoko wonke umzimba. Ngoko ke, ukuba imithambo-luvo ezonakeleyo yezithuthi uya kutyumka phantsi okuvela ukukhubazeka.

Loo nto kule ndawo komzimba womntu. kwemilenze, ubume babo noyilo, ngoku sihlole kabanzi.

imisipha

Izihlunu kweqondo asezantsi zinamandla ngaphezu izihlunu ingalo. Kodwa ke, kwelinye icala, ukuba ayikho ngokuchaneke kwi yesiqephu eliphezulu. umlenze kwemisipha Human okwabangela ukuba umsebenzi mkhulu. Umzekelo, inqaba inkxaso xa ukutsiba isebenzisa midlalo ingaphezulu amathandathu, anamakhulu eekhilogram. uxinzelelo Okuninzi bona banamava ngokutsiba eziphakamileyo, ilandelwe yi isizathu.

Kuzo zonke ezi zinto kunye nezinye iintshukumo inxaxheba a izihlunu nje kuphela yabantu umlenze, kodwa amanye amaqela izihlunu: iingalo, amagxa, esifubeni. Le umthwalo kuthiwa jikelele, kuba ifuna amandla amaninzi.

komzimba Human: izihlunu umlenze

Izihlunu umzimba yahlulwe kumaqela amane:

  1. Iqela ngaphambili ethangeni.

  2. iqela hip diff.

  3. Ezinqeni.

  4. Izihlunu umzantsi womlenze.

Makhe sihlolisise ngokweenkcukacha nganye amaqela ngokwahlukeneyo.

Iqela phambi womlenze

Leg izihlunu indoda igama kule ndawo zezi "quadriceps", njengoko bazenze zambi iintloko ezine:

  • imisipha rectus;
  • vastus zangaphakathi;
  • izihlunu rectus lateral;
  • vastus avareji.

Quadriceps - onamandla kunayo yonke izihlunu emzimbeni womntu. Nangabo phezu komhlaba yonke ngaphambili, nto leyo unqumla sartorius elibhalwe ngokumileyo.

Zonke iintloko quadriceps idibane inxalenye esezantsi imicu nomlenze ngokubanzi.

Rectus na dvuperistoy kunye elide. Ayanda phansi yaye ifikelela phakathi womlenze, ngoko linciphise lube imicu, leyo zidibana kunye edolweni-indebe. Isendaweni phezu ngaphambili, le nto iyeza, kwaye luphele tuberosity le lesiquluba.

vastus yangaphakathi zamafu. Le ukwakweli cipande-medial zomphandle kunye ngohlangothi ngaphambili iquka imisipha rectus. Ngaphakathi ke wadibana neqela medial. Kwezinye iindawo ezikuyo sartorius. Iinyanda izihlunu angqonge umphezulu cipande-medial, yiya phambili wehla kwicala elibhalwe ngokumileyo. Kwinxalenye esezantsi yifemur akungeni imicu osuka umsipha imicu iinyawo zabantu.

Ingalo zangaphandle tyaba ububanzi, ngoxa kumphezulu olungaphandle ngaphambili. Kwezinye iindawo babugubungela izihlunu, nto leyo abahluza ifascia ebanzi. edge ngqo ngaphambili egubungele kwezihlunu. Iinyanda izihlunu ukuya phambili kwaye kokuhla kwicala elibhalwe ngokumileyo, ezifikelela nomlenze phambi Ekuveleni ezantsi kwi imicu, baluka kuyo (imicu rectus).

Umyinge vastus ke ebuthathaka ezine ezingenisiweyo. Kuyinto tyaba kwaye uninzi lwazo babhityile, kubekwe phezu ngaphambili. Umyinge vastus igqunyiweyo ngqo, ukuqala umgca mezhvertalnoy ngaphakathi encopho yayo ¾. Besusa acacile ezantsi kwicala nkqo, ajike abe imicu flat. Emazantsi imicu lethanga encamathele kwezinye imicu, ezinxulumene umsipha ngqo.

Umsebenzi main lwenziwa yi esihlunwini quadriceps - nokolula amadolo zakho. part-Two izihlunu ababandakanyekayo flexion kasikrobana kwaye isinqe ibheke phambili.

kwemilenze, iifoto ezo thaca kwinqaku - inkqubo entsonkothileyo lomzimba wethu.

Iqela hip diff

Kule nxalenye, kufutshane emacaleni, lo femoris zomfana. Njengoko igama libonisa, le nkqubo ibandakanya iintloko ezimbini:

  • elide, ezivela tuberosity ischial;
  • elifutshane, evela imilebe wesithathu zisecaleni embindini.

Owona msebenzi walo flexion ye kwedolo ukwandiswa asezantsi hip umlenze. Ukongeza, kunye enkulu izihlunu gluteal nangabo umzimba lo gama ekomelezeni umzantsi womlenze.

ezinqeni

Le ndima ibandakanya izihlunu zilandelayo zeenyawo yabantu:

  • gluteus Maximus;
  • gluteus avareji;
  • gluteal amancinci.

Eyokuqala lugubungela kumphezulu ezimpundu. Ngoko ke, imilo ezimpundwini ezixhomekeke ngayo kuyo. Umsipha ivela kwi ilium, coccyx kunye amaphiko phezu sacrum. Umsebenzi ophambili kukuqinisekisa intshukumo welungu hip: nokolula umzimba, ngokunjalo retracting imilenze.

imisipha ithole

Ukuqwalasela kwakhona isakhiwo izihlunu umlenze yabantu ukuze bathi, ukuba zigcine umzantsi womlenze. Kukho esineendidi ezibandakanya amabini, apho kukho imicu eqhelekileyo.

Ithole kwezihlunu asuka kwi condyles femoral ye kwisibini iintloko ukuba baye imicu. Ke uyaqhubeka kwi umsipha isambuku, oludityaniswe kumphezulu elingasemva calcaneus.

Enye ebizwa imisipha soleus. Kuyinto inyama yaye shinyi, ukwakweli izihlunu gastrocnemius kwaye uqhuba inxalenye enkulu amathambo umlenze. It esuka intloko nowesithathu eliphezulu lesiquluba wehlela phezu tibial ngaphandle uchukumisa wesithathu phakathi yomlenze ukususela ezantsi. Ekupheleni iya umsipha.

Umsipha elingasemva plantar thaca eqala ngaphezu condyle kunye nedolo femoral ezidityanelweyo (njengezingxobo). It zidibana kunye imicu elide olomileyo, le nto andigweqe busisigxina endulini. Noko ke, le imisipha kusenokungabi konke konke.

Iingcali ezininzi ebizwa izihlunu namaqatha lukhuni njengoko ukuphuhlisa kule nxalenye yomzimba iba ngumbandela mandla anzima kakhulu. Zexesha elide kunye neguquguqukayo nomthwalo iqela ochazwe wenza singapheli kakhulu. Ngoko ke, ukuze kuphuhliswe ngakumbi nzima ukuze nabo. Kodwa ukuba kukho imfuneko, abaqeqeshi zenza i iseti eyodwa olulandelenayo zezi izihlunu.

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