Umxhelo wegxalaba ngumda phakathi kwesifuba kunye nomgca ophezulu . Amalungu amaninzi asemagxeni. Umxube we-glenohumeral ngumgca webhola kunye nekhokhsi yesiphakamiso sesifuba lesengalo, kunye nesiseko sekhasi lesigxina. Intsebenziswano yesibini epaleni yinkqutyana yecala lekhola elisegxeni, elibizwa ngokuba yi-acromioclavicular joint.
Ininzi yependuli iqhutyelwa kwibhola kunye ne-socket glenohumeral joint, kodwa ukuhambelana ngokupheleleyo kwegxala, umxube we- acromioclavicular kufuneka usebenze ngokuqhelekileyo.
Amagqabi Aphezu Kwamahlombe
Amathambo amathathu emagxeni angumfuyo wengalo (humerus), ihlombe (scapula), kunye ne-collarbone (i-clavicle). I-scapula inomnye inxalenye eyenza isakhelo sokubambisana kwebhola kunye ne-socket; oku kubizwa ngokuba yi-glenoid. I-glenoid ihlanganiswe ne- cartilage ehamba phambili. Lapho intloko ejikeleziweyo yesifuba lesangalo (i-humerus) idibanisa iqela lehlombe libizwa ngokuba ngumxube we-glenohumeral.
Umxube wesibini phezulu kwiphepha apho iindawo ezihlukeneyo zecala lehlombe, i-acromion, idibanisa kwi-collarbone. Oku kubizwa ngokuba yi-acromioclavicular joint.
I Rotator Cuff
Ikhuphe yokujikeleza liqela leemisipha ezine kunye neentoni ezijikeleza umxube we-glenohumeral. Izivumelwano zesikhumba ukuhambisa amathambo; iitoni zixhamle umxube ukuya kwithambo.
Iimfudu zebhokisi zomjikelezo zibalulekile ekuhambeni kweqela lebhola kunye neenqwelo.
Ikhuphe yokujikeleza ibalulekile kwimisebenzi emininzi, kwaye xa kunokulimala kunokubangela intlungu ebuhlungu. Xa isitya sokujikeleza sivutha okanye sithukuthele, oku kuthethwa njengetyhunta ye- tendonitis okanye i- bursitis yamagxa .
Xa i-tendon ye- rotator cuff ichithwe, oku kubizwa ngokuba yi- rotator cuff .
I-Capsule ye-Shoulder
I-capsule yamagxa iyakujikeleza inxalenye yebhola kunye ne-socket yehlangeneyo. I-capsule ihlukanisa intsebenziswano evela kuwo wonke umzimba kwaye iqulethe umbane ohlangeneyo. Iigamente ezininzi zenza iindawo ze-capsule edibeneyo, kwaye le mida ibalulekile ekugcineni umxhelo wegxina kwindawo efanelekileyo. Xa igxalaba lihamba, iigaments ze-capsule yamagxa zingabhidliza.
Ukuxhatshazwa kwe-capsule yamagxa kubalulekile. Ukuba i-capsule ikhululekile kakhulu, le meko ibizwa ukungazinzi kwamanye amazwe . Xa i-capsule yamagxa iyomelele kakhulu, le meko ibizwa ngokuba ngumgca weqabunga .
I-Labulder Labrum
Ibhulogi yintlambo ye-cartilage ejikeleze isixokelelwano somxhelo. Isiseko sendawo kufuneka sidibanise, kwaye i-labrum inika isiseko ngakumbi, kwaye ngoko ke ukuzinza ngakumbi. Ibhulogi nayo isebenza njengekhonkco yethenda enkulu kwixhepha, i-biceps tendon .
Iinyembezi zeLabral ehlombe zingabangela intlungu, ukungazinzi kokubambisana, okanye zombini. Iinyembezi zeLabral zihlala zihlulwa ngokusekelwe kwindawo yazo. Iinyembezi eziqhelekileyo zeelbral zilabo badibaniswa nokuxhalaba kwegxalaba , okubizwa ngokuba yi- Bankart izinyembezi kunye nalabo badibana neengxaki ze-biceps ze-tendon, ezibizwa ngokuba yi- SLAP .
Imisipha yeNgxowa
Ngelixa abaninzi abantu bacinga ngumbhobho we-rotator xa bacinga ngezihlunu ezijikeleze umxhelo wegxalaba, ezi zi-4 kuphela kwezi-muscle eziyi-17 eziwela umxhelo. Ezinye zezinye izihlunu nazo zibaluleke kakhulu kumsebenzi wesigxina.
Enye yamaqela omzimba aqhelekileyo kubandakanyeka kubantu abaneengxaki zengxowankulu yimizimba ye-periscapular muscle. Ezi zihlunu zikunceda ukulawula ukunyakaza kwesalathisa (i-scapula), kwaye le ntshukumo ibaluleke kakhulu kumsebenzi wesigxina. Isiseko soxanduva lwegxala liyingxenye yesigapula, kwaye ukuba ukunyakaza kwe-scapular akuqhelekanga, ngoko umsebenzi wesigxina awukwazi ukuqheleka.
Abantu abaninzi abanentlungu, ababuthathaka kunye nokungazinzi kufuneka badla ngokugxininisa ekuphuculeni umsebenzi wabo wokunceda ukuphucula umbane wabo.