HangangaPūtaiao

Uaua pokohiwi, ata horoia me te whitiki pokohiwi

Kei pokohiwi whitiki o wheua e toru: te āhei, scapula, peke wheua (wheua o te runga ringa), me te uaua, mea tuhonohono me tendons. hononga pokohiwi he hononga turanga i waenganui i nga wheua pokohiwi. Uaua me hononga ko te pokohiwi tukua ki reira neke i roto i te whānuitanga tomu'a o nekehanga. He kawenga mō te kaupapa o te scapula, peke, me āhei te uaua o te pokohiwi me te whitiki pokohiwi. I tua atu, kei te āhua enei uaua pokohiwi, te tahi pokohiwi me te axillae (peke). Hei tauira, te aratau porotaka o te tahi pokohiwi i hanga te ua pakihiwi. Anatomically, tohu te reira i te huinga rerekē o muka e ruruku e te pūnaha io pokapū nei mahi.

pokohiwi Human - ko te wahi o runga o te ringa ki te uaua, me wheua, mutu i waenganui i te pokohiwi, me te whatīanga hononga. Ko te rohe o runga o te pokohiwi - he aho hake o te mata o raro o te ua rei nui, teres uaua nui me uaua whānui hoki. takoto te rohe o raro i runga ake (2 hake maihao) o nga condyles o te peke. uaua pokohiwi e whakaritea i runga i nga papa mua, me te hoki o te peke. Ko te rōpū mua o uaua i huaina te uarua (i roto i Latin - musculus uarua brachii) uarua ranei. uaua Posterior rōpū - tengi (i roto i Latin - musculus tengi brachii) me tengi.

kiko manahau me te rapa (kōhiwi, kua huaina ranei reira hoki striated) e hanga ake nga uaua pokohiwi, whakawhetai ki to ratou kaha ki te whakaiti i ponana io. No te mea o enei āhuatanga o uaua kikokiko ko te kaupapa o te whatīanga me ko nga tengi me uarua kawenga mō ēnei nekehanga. I tua atu, whakatau e rua o enei uaua te āhua o te pokohiwi, i tei runga i te tohu o te ngako me te uaua. Nā ki te ngako subcutaneous i roto i ngā tamariki, me nga wahine e mānia reliefs uaua, me te ringa he tata puka ki te puoto tika. I roto i te tangata ki te rōrahi pokohiwi uaua nui i roto i te wahi o runga atu i roto i te rohe wahi e te whatīanga.

I ahu mai te i kupu e rua Latin ingoa kīwaha o te uarua - - uarua: bis, e whakamāoritanga rite rua, me caput, te tikanga upoko i roto i te iritiraa. Uarua (e rua paihere uaua) E rua nga upoko, tūhono i te waenganui o te pokohiwi ki te kopu uaua noa. Kei te piri ana te upoko roa ki te mata (hōruarua roughness epiarticular) iohere tuatahi. tīmata hoki upoko poto i te mata (tukanga coracoid). Uarua piri ki te tihi o te iohere mutunga kikowhiti, ki nei te puku katoa. Ko te mahi matua o tenei uaua ko flexion o te tahi whatīanga o te ringa. Kei te innervated reira e te karere uaua-waihakihaki.

ingoa kīwaha o te uaua tengi - tengi - mai hoki i rua kupu Latin, te tuatahi o ratou (tri) ko e toru, me te tuarua (caput), kua rite kua whakaahuatia ana i runga. Ko tenei he uaua nui ko āhua 2/3 uaua ringa, me te he kawenga mō te faaafaro i (te faaafaro i) ringa i te whatīanga, kapo hoki te tahi whatīanga ka kikowhiti me e whakamahia mō te kaupapa pai, pērā i ka tuhituhi. Kei a ia ko e toru paihere o te uaua kikokiko e haamata ki toru upoko (roa, medial me lateral), a ūngutungutu tahi i roto i te kotahi whatīanga iohere. Classically, kua whakapono reira e innervated katoa upoko e toru o te ua toru e te karere toropā. Heoi, i reira ko nga hua o te rangahau e whakaatu ana i taua innervation kia he peka o te karere axillary.

kikowhiti Human Ko te wahi o te ringa, kei nei i waenganui i te tahi whatīanga me te ringa (te kore e mohiotia ana ko te kawititanga). Kei te kikowhiti o rua wheua, me uaua (ulnar me toropā). i hanga Uaua kiko e o ngā papa e wha o uaua, e ko te rōpū mua, me te rua ngā papa o ngā rōpū uaua hoki. Ko te hua o to ratou mahi, ko te kaupapa o nga ringa (tae atu ki ngā phalanges) me te kawititanga o. I roto i te whānui, i te uaua o te pokohiwi me te kikowhiti whakarato te whānuitanga o nekehanga ringa, ata horoia me ringa momo.

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