Esimweni somuntu, inhlanganisela yindawo yokuxhumana phakathi kwamathambo amabili. Isibonelo, idolo elihlangene liphuzu lokuxhuma phakathi kwe-femur, noma ithambo lethanga, ne-tibia, noma isifuba.
Amajoyina aqukethe izicubu ezinhlobonhlobo ezihlukahlukene. Amagamente axhuma amathambo komunye nomunye; izintambo zixhuma imisipha kuya ethambo kanye ne-cartilage ihlanganisa umkhawulo wamathambo futhi inikeza ukuxoshwa.
Ama-Synovial Joints
Amalungu ajwayelekile kakhulu angama-joints ahamba ngokukhululekile emzimbeni okuthiwa ama- synovial joints . Ama-synovial azungezwe izicubu ezinamafutha noma isikhwama esibizwa ngokuthi i-capsule ehlangene. Lesi capsule sizungezile ukujoyina futhi sigcwele umchamo obizwa ngokuthi u-synovial fluid ogcwala izicubu nezikhala ngaphakathi kwalesi capsule.
Amajoyini weBhola neziKhethi
Lolu hlobo lokujoyina lunikeza ububanzi obuningi bokujikeleza nokuhamba, kufaka phakathi ukujikeleza. Ihlombe lakho kanye ne-hip ziyizibonelo zebhola namajoyini amathanga.
Ama-Condyloid Joints
Umhlathi neminwe zombili zinezixhumo zomzimba. Lawa majoyina awavumeli ukujikeleza, kodwa ahambisana nalokho; cabanga ngendlela i-joystick ehamba ngayo ku-console yemidlalo yevidiyo.
Ama-Joints Joli
Unalolu hlobo lokujoyina, oluvumela amathambo ukuba aqhubekele futhi ahambisane emgodini wakho, izinkinobho, nezigqoko.
Amajoyini amaHinge
Njengoba nje igama liphakamisa, la majoyina asebenza njengama-hinges. Cabanga ngamadolo akho nengxenye yendwangu yakho egoqa (i-ulna).
Lezi zingxube zezinhlanga.
Ama-Pivot Joints
Intamo yakho kanye ne-elbow zombili zihlangene, okuvumela amathambo ukuba aphike noma aphike amanye amathambo.
I-Saddle Joint
Isibonelo esihle kakhulu sokuhlanganiswa kwesigqoko kanye nalokho okwenzayo sitholakala esisekelweni sesithupha. Amajoyina e-saddle avumela ukuhamba ngakwesokunene nangemuva, kepha ungajikelezi ngokugcwele.
Ububanzi bokuhamba
Iningi lamalungu omzimba womuntu avumela ukunyakaza. Abambalwa, njengamajoyini ekhanda, musa. Amalungu avumela ukunyakaza, njengama kne noma amaqaqa, abe nokuhamba okuchazwe ngaphambilini, okuyisisekelo esikude ukuqondisa ngakunye okuhlangene nakho okungashukumisela noma ukugoba ngokunethezeka.
Ububanzi bokuhamba kwesibambiso kuvame ukulinganiswa ngamadigri. Ngokuvamile, ukunwetshwa kokuhlanganyela kunciphise ama-degree angu-180 noma ngaphansi. Ngamanye amazwi, lokho kuhlangene kungavulwa kuze kuqondile. Cabanga ngengalo noma umlenze wakho njengesibonelo: zikwazi ukugoqa kuze kube yilapho ziqondana ngqo, kodwa azikwazi ukuqhutshelwa ngaphezu kwezingu-180 ngaphandle kokulimala noma ukulimala.
Isandiso
Ukwandisa ukugoqa kwesibindi ukuze amathambo akha ihlangene ahanjiswe kude, noma aqondiswe. Lesi yisimo somzimba esinciphisa i-angle emkhatsini wamathambo wesilungu esihlangene. Kwenzeka lapho inkontileka yemisipha namathambo ehambisa ukujoyina endaweni egobile.
Ukubheka
Ukubheka ukugoqa kwesibalo esithile ukuze amathambo abumba lokho kuhlangene athathwa eduze. Ngesikhathi se-crossxion, i-angle phakathi kwamathambo omlenze ohlangene wehla. Ukuvuthwa kwenzeka ngokuyinhloko lapho inkontileka yemisipha futhi amathambo ashukumisela ukuhlanganyela okuhlangene kube yindawo ephikisiwe.
Ukukhipha isimo somzimba esinciphisa i-angle emkhatsini wamathambo wesilwane ekuhlanganyeleni. Kwenzeka lapho inkontileka yemisipha namathambo ehambisa ukujoyina endaweni egobile.