A AB BS S T TR RA AC CT T O Ob b j je ec c t ti i v ve e: : To in ves ti ga te the ef fects of 12-we ek two-dif fe rent in ten sity re sis tan ce tra i ning prog rams on bo ne tur no ver mar kers, bo ne mi ne ral den sity (BMD), os te op ro to ge rin (OPG), and so lub le recep tor ac ti va tor of nuc le ar fac tor kap pa β li gand (sRANKL) in post me no pa u sal wo men. M Ma a t te e r ri i a al l a an nd d M Me et t --h ho od ds s: : Forty he althy wo men (aged 45-60 ye ars) par ti ci pa ted in the study. High-in ten sity gro up (HIG; n=14) wor ked 4 days a we ek and per for med two sets of 8-10 re pe ti ti ons at ~70-80% of 1 re pe at ma xi mum (RM). Low-in ten sity gro up (LIG; n= 13) wor ked in the sa me du ra ti on, with 13-17 re pe ti ti ons, at ~40-50% of 1RM. Con trol gro up (CG; n = 13) did not per form any exer ci ses. Body com po si ti on, 1RM va lu e for 10 exer ci ses, re pe ti ti ons of sit-ups for 30 se conds, bo ne for ma ti on and re sorp ti on mar kers, se rum os te o cal ci ne (OC), bone al ka li ne phosp ha ta se (BAP), βCross Labs, OPG, and sRANKL le vels we re me a su red be fo re and af ter the tra i ning prog ram. BMD was me a su red vi a du al energy X-ray ab sorp ti o metry. R Re e s su ul lt ts s: : Re sis tan ce tra i ning ca u sed in cre a ses in spi ne BMD in HIG and LIG (p< 0.05), and OC le vels in cre a sed in the HIG (p< 0.05). We ob ser ved a sig ni fi cant dif fe ren ce bet we en the per cent chan ge in HIG ver sus the per cent chan ge in CG in the spi ne BMD va lu es (p< 0.01). sRANKL le vels dec re a sed sig ni fi cantly in all three gro ups. Strength me asu res in cre a sed in both exer ci se gro ups (p< 0.001), fa vo ring the HIG. C Co on nc c l lu u s si i o on n: : High-in ten sity re sis tance tra i ning may be mo re ef fec ti ve for in cre a sing musc le strength and pro tec ting aga inst os te o po ro sis and frac tu res. Du e to in sig ni fi cant chan ges in OPG le vels and sig ni fi cant re duc ti ons in sRANKL in all gro ups, me a su res of cir cu la ting OPG and sRANKL le vels se em not to be so use ful to pre dict BMD or bo ne tur nover sta tus af ter re sis tan ce tra i ning prog rams. The re fo re, the se pa ra me ters re ma in to be de ter mi ned di rectly in the bo ne mic ro en vi ron ments to get her with BMD me a su res and bo ne tur no ver mar kers.K Ke ey y W Wo or rd ds s: : Os te o po ro sis, post me no pa u sal; RANK li gand; os te op ro te ge rin Ö ÖZ ZE ET T A Am ma aç ç: : İki fark lı yük len me şid de tin de ya pı lan 12 haf ta lık di renç an tren man prog ram la rı nın postme ne po zal dö nem de ki ka dın la rın, ke mik tur no ver mar ker le ri, ke mik mi ne ral yo ğun lu ğu (KMY), os te opro ge rin (OPG) ve so lub le nük le er fak tör kap pa Β re sep tör ak ti va tör li gan dı (sRANKL) üze ri ne olan et ki si ni be lir le mek. G Ge e r re eç ç v ve e Y Yö ön n t te em m l le er r: : Post-me no poz dö nem de ki 40 sağ lık lı ka dın (45-60 yaş) ça lış ma ya ka tıl -dı. Yük sek şid det gru bu (YŞG; n= 14) haf ta da 4 gün, 1 tek rar mak si mu mun (TM)...