BANDI KOSU RON (Articulatio coxae), payvande, ki ustukhoni huqqa (kosachai kos) va saraki ustukhoni ron ba vujud meorand. Huqqa dar mahalli tamosi ustukhonhoi tihigoh, surin (nishastgoh) va zihor qaror dorad. Andozai huqqa nisbat ba andozai saraki ustukhoni ron khurd ast. Sathi saraki ustukhoni ron bo qabati tunuki tagoyaki gialini faro girifta shudaast. Huqqa boshad, faqat dar sathi hilolshaklii khud chunin tagoyak dorad. Haltai mafsilii B. nihoyat ustuvor ast; on az kanori komai payvand guzashta ba ustukhoni ron mepayvandad. Qismi ziyodi gardanai ustukhoni ron dar javfi B. joy giriftaast. Bandaki saraki ustukhoni ron andaruni payvand qaror dorad; ahamiyati mekhanikii bandak ziyod naboshad ham, dar qabati on raghoe, ki saraki ustukhoni kosro bo gizo tamin mesozand, joy giriftaand. Binobar chuqur mavqe doshtani huqqa va bisyor mustahkam budani bandakho harakati B. mahdud ast. On asosan harakathoi qat va rost shudanro ijro mekunad, ba chapu rost megardad, ba darun va berun davr mezanad.
KL
Rasmi 1. Bandakhoi bandi kosu roni rost:
1 – mavzei joygirshavii khaltai zulolii tihigoh; 2 – qismi boriki khaltai zuloli; 3 – bandaki zihoru ron; 4 – pardai sidodi; 5 – dungichai surin; 6 – khati baynigirdnoi; 7 – bandaki tihigohu ron.
Rasmi 2. Bandi kosu ron: 1 – saraki ustukhoni ron; 2 – ustukhoni kos; 3 – tagoyaki band; 4 – javfi band; 5 – bandaki saraki ustukhoni ron; 6 – bandaki kundalangi huqqa; 7 – gilofaki band; 8 – mavkhei doirashakl; 9 – labi huqqa.
S.S. Qurbonov.