I-Tibialis anterior (Tibialis anticus) ikwicala elisecaleni le-tibia; ityebile kwaye inenyama ngaphezulu, inemisipha engezantsi. Iifayibha zihamba ngokuthe nkqo ziye ezantsi, zize ziphele nge-tendon, ebonakala kumphezulu ongaphambili wemisipha kwisithathu esisezantsi somlenze. Esi sihlunu sigquma imithambo ye-tibial yangaphambili kunye ne-nerve enzulu ye-peroneal kwinxalenye ephezulu yomlenze.
Utshintsho.—Inxalenye enzulu yesihlunu ayifakwa rhoqo kwi-talus, okanye ukutyibilika kwemisipha kungadlulela entlokweni yethambo lokuqala le-metatarsal okanye kwisiseko se-phalanx yokuqala yonyawo olukhulu. I-Tibiofascialis yangaphambili, isihlunu esincinci esivela kwinxalenye esezantsi ye-tibia ukuya kwi-transverse okanye i-cruciate crural ligaments okanye i-deep fascia.
I-Tibialis yangaphambili yi-dorsiflexor ephambili yeqakala enesenzo se-synergistic se-extensor digitorium longus kunye ne-peroneous tertius.
Ukuguquka konyawo.
Ukunyusa unyawo.
Igalelo lokugcina i-medial arch yonyawo.
Kwisigaba sokulungiselela ukuma okukhawulezileyo (APA) ngexesha lokuqalisa ukuhamba, i-tibialis ikhuthaza ukugoba kwedolo ngaphambili kwilungu lokuma ngokubangela ukushenxa kwe-tibia phambili.
Ukucotha kwe-eccentric kwe-foot plantarflexion, i-eversion kunye ne-foot pronation.