2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cov leeg nqaij gastrocnemius flexes ko taw ntawm pob qij txha- uas yog nws ua rau taw taw ko taw nqes los ntawm khoov nws ntawm pob taws pob taws, xws li thaum koj sawv ntawm koj. cov ntiv taw. Qhov kev txiav txim no hu ua plantar flexion. Lub gastrocnemius kuj flexes ceg ntawm lub hauv caug sib koom.
Cov leeg twg khoov ko taw nce mus rau ceg?
Dorsiflexion ntawm Ko Taw (rub ko taw nce mus rau sab ceg): Ua los ntawm tibialis anterior, extensor hallucis longus thiab extensor digitorum longus. Plantarflexion ntawm Ko Taw (rub ko taw downwards deb ntawm sab ceg): Ua los ntawm gastrocnemius, plantaris, soleus thiab fibularis longus.
Yuav ua li cas rau cov leeg nqaij gastrocnemius ntawm koj txhais ceg thaum lub shank yog flexed li thaum taug kev?
Thaum koj flex koj lub hauv caug, lub gastrocnemius ua nrog cov hamstrings, uas yog cov leeg ntawm cov leeg sab sauv sab sauv, thiab cov popliteus khoov nws ntawm kev sib koom tes. … Cov leeg Achilles (nrog rau lwm cov leeg) rub rau ntawm calcaneus, lossis tso nws rov qab rau nws lub xeev so.
Cov leeg nqaij gastrocnemius yog dab tsi?
Lub gastrocnemius yog cov nqaij ntshiv loj dua, tsim cov pob pom hauv qab ntawm daim tawv nqaij. Lub gastrocnemius muaj ob feem lossis "lub taub hau," uas ua ke tsim nws cov pob zeb diamond. Lub soleus yog cov nqaij me me, tiaj tus uas nyob hauv qab cov leeg nqaij gastrocnemius.
Yuav ua li cas cov leeg nqaij loj yuav siv los tsa ceg qis rau ntawm pob tw?
Muaj 17 cov leeg pob txha, uas tuaj yeem muab faib ua plaub pawg: Gluteal nqaij. Cov leeg no pab koj nyob ncaj thiab tsa koj tus ncej puab mus rau sab, thawb koj lub duav mus rau pem hauv ntej, thiab tig koj txhais ceg. Cov pab pawg no suav nrog gluteus maximus (btocks), gluteus minimus, gluteus medius, thiab tensor fasciae latae.
Pom zoo:
Nyob rau hauv cov txheej txheem ntawm daim tawv nqaij hauv qab no yuav ua rau subcutaneous?
Hypodermis. Lub hypodermis (tseem hu ua subcutaneous txheej los yog superficial fascia) yog ib txheej ncaj qha hauv qab dermis thiab ua haujlwm txuas cov tawv nqaij mus rau hauv qab fascia (cov ntaub so ntswg fibrous) ntawm cov pob txha thiab cov leeg.
Cov khoom xyaw twg hauv qab no ua cov tshuaj tsw qab hauv cov tshuaj txhuam hniav?
Sodium lauryl sulfate (SLS) yog surfactant feem ntau siv. YPuas yog tshuaj txhuam hniav puas yog surfactant? Surfactants. Ntau, txawm tias tsis yog tag nrho, tshuaj txhuam hniav muaj sodium lauryl sulfate (SLS) lossis lwm yam surfactants (detergents).
Nyob rau hauv cov leeg nqaij contraction cross-bridges tsim ntawm?
Yog tias tam sim no, calcium ions khi rau troponin, ua rau muaj kev hloov pauv hauv troponin uas tso cai rau tropomyosin txav deb ntawm myosin binding qhov chaw ntawm actin. Thaum cov tropomyosin raug tshem tawm, tus choj hla tuaj yeem tsimnruab nrab ntawm actin thiab myosin, ua rau kev cog lus.
Lub sijhawm cov leeg nqaij leeg lub zog yog muab los ntawm?
Lub hauv paus ntawm lub zog uas siv los ua lub zog txav ntawm kev sib cog lus hauv cov leeg ua haujlwm yog adenosine triphosphate (ATP)- lub cev txoj kev biochemical khaws cia thiab thauj lub zog. Yuav ua li cas muab lub zog rau cov leeg nqaij?
Thaum cov leeg nqaij atrophies qhov twg hauv qab no tshwm sim?
Muscle atrophy is thaum cov nqaij ntshiv pov tseg. Nws feem ntau yog tshwm sim los ntawm kev tsis ua haujlwm ntawm lub cev. Thaum muaj kab mob lossis kev raug mob ua rau nws nyuaj lossis ua tsis tau rau koj txav caj npab lossis txhais ceg, qhov tsis muaj kev txav mus los tuaj yeem ua rau cov leeg mob.
