AhụikeỌgwụ

Ọdịnaya. Ọdịnihu ụmụ mmadụ

Nhazi nke ogwe aka na ala elu bụ otu. N'ime usoro mmepe, aka kwụsịrị ịkwado mmadụ. Ugbu a, o nwere ike ime ka ya dị iche iche dị iche iche. N'ihi ya, ọkpụkpụ na ọkpụkpụ aka nke ogwe aka dị elu na-egosipụta ọrụ ha, dị ka akụkụ nke ahụ na-enye nnwere onwe n'efu. N'okwu a, nnwere onwe imegharị bụ mkpebi nke nnwere onwe na nkwonkwo.

E kewara akụkụ aka nke mmadụ na akụkụ atọ: ubu, aka na aka. Ọkpụkpụ na nkwonkwo jikọtara ọkpụkpụ, na-eke njikọ ndị na-arụ ọrụ dị ka ndị levers.

Ọdịdị nke ogwe aka na-agụnye ọkpụkpụ (ulnar na radial), nkwonkwo nkwonkwo elu na nke ala, yana akwara ndị dị n'azụ na n'azụ.

Mkpụrụ ahụ dị n'akụkụ (n'akụkụ akụkụ aka nta), ọkpụkpụ radial dị n'akụkụ (n'akụkụ aka mkpịsị aka). A na-ejikọta ha site na nkwonkwo cylindrical elu na nke ala. Ihe ha jikọtara na-eme ka mmeghari ntụgharị nke ogwe aka na n'ime. N'okwu a, agagharị bụ naanị ọkpụkpụ ọkpụkpụ. Ọ na-akpali (dị ka ije nke ụkwụ nke compass) gburugburu ulna fọdụrụ motionless. Ụra n'okpuru n'ikpere aka ọkpụkpụ, okirikiri articulates na ọkpụkpụ nke nkwojiaka.

Ọhụụ mmadụ nwere uru nke ndị na-etolite na ndị ọzọ. N'ihu nwere mmeghari maka mkpịsị aka na aka na akwara na-agbanwegharị n'ime. N'akụkụ azụ, ọ na-agbapụta mkpịsị aka na aka na akwara na-agagharị.

Ekwesiri iburu n'uche na ihe omuma di iche iche na mgbagwoju anya n'olu nke akuku aka di iche iche bu ihe mgbagwoju anya nke mmeghari ihe di iche.

Akpara mmadụ nwere ike ehulata, gbanwee n'ime ma ọ bụ n'èzí ma hapụ ya. The mezuo iwu na-emepụta gburugburu mpụta na vetikal axis na n'ikpere aka. Ihe nkedo na-eme site na ọrụ dị iche iche nke anọ.

A na-eme mgbanwe mmegharị: pronator gburugburu na mgbochi ihu na-amalite site na humerus (n'ime epicondyle), biceps ogwe aka aka, muscle brachial, muscle brachial.

Ọ bụ ụbụrụ triceps na-arụ ọrụ nke mgbatị ahụ. Ọ bụ akụkụ nke ubu na mejupụtara n'ikpere aka uru, uru nke aka, malite na epicondyle dị na mpụta na humerus.

A na-arụgharị ntụgharị (rotation) n'ime (pronation) site na pronator gburugburu na square. Na nke a akụkụ brachioradialis muscle (na-abụghị nke omume ọnọdụ).

Mgbaghari (ntụgharị) na mpụga (supari) na mbemiso mmadụ na-eme site na muscle-supinator na muscle biceps. A na-emegharị mmegharị ntụgharị site na nkwụsị (site n'èzí).

Mgbochi ndị a na-etinye na mbemiso mmadụ na-etinye aka na mmegharị nke nkwojiaka na nkwojiaka.

A na-eme mgbanwe site na nkwonkwo radial na ulnar nke mkpịsị aka, ụbụrụ ogologo, ụbụrụ dị elu, ogologo na ogologo oge nke mkpịsị aka. Ekwesiri ighota na okpukpu ato nke mkpịsị aka na-emepụta otu ihe ahụ.

Mkpịsị aka ya nwere ike ịsụ, gbanwee n'ime ma ọ bụ n'èzí ma hapụ ya. Ekwesiri ighota na onodu ndi ozo adighi oke na nke a. E wezụga bụ nkwonkwo carpometacarpal nke mkpịsị aka.

A na-ekpebi nnwere onwe nnwere onwe nke akụkụ niile nke akụkụ aka elu site na oke nnwere onwe nke nwere ikike n'ime nkwonkwo ọ bụla. Ekwesiri iburu n'obi na mmepe nke akwara nke isi, karia, tinye aka na mmeghari aka na mkpịsị aka, dị oke mkpa n'ịzụlite nwatakịrị ahụ. Ya mere, mgbe ọ dị obere, ọ dị mkpa ka ya na ha rụọ ọrụ, nke mere na mkpịsị aka aka na-emetụta afọ nwata ahụ. E gosipụtara na ụzọ ọkpụkpụ aka na-emepụta nke ọma na-egbochi nsogbu na mmepe okwu okwu.

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