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跑台运动训练和停训对去卵巢大鼠胫骨无机矿物质含量的影响 被引量:2

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摘要 目的:观察中等强度跑台运动训练和停训对去卵巢大鼠胫骨无机矿物质含量的影响。方法将60只成年雌性SD大鼠按体重分层后,随机分为假手术组、去卵巢静止组和去卵巢运动组,每组20只。去卵巢运动组进行4次/w,45 min/次,速度18 m/min,跑道倾角5°的跑台训练,持续训练14 w后,将各组大鼠又随机分为两个亚组,分别是:假手术-16和-32 w组、去卵巢静止-16和-32 w组及去卵巢运动和停训组。分别在末次训练36~48 h及停训16 w时,腹主动脉取血处死各组大鼠,收集胫骨,称量其湿重、去脂肪干重及煅烧后的灰重。结果训练结束时,去卵巢静止组胫骨湿重/体重、胫骨去脂肪干重/体重及胫骨灰重/体重显著低于假手术组和去卵巢运动组;停训16 w时,去卵巢静止-32 w组胫骨湿重/体重、胫骨去脂肪干重/体重及胫骨灰重/体重显著低于假手术-32 w组,但与停训组差异无显著性。结论一定强度的跑台运动能减缓去卵巢大鼠无机骨矿物质含量的丢失,但此效应在停训16 w后消失。
机构地区 首都体育学院
出处 《中国老年学杂志》 CAS CSCD 北大核心 2014年第9期2499-2501,共3页 Chinese Journal of Gerontology
基金 北京市教委科技创新平台项目(PXM2012-014206-000051) 北京市市属高等院校长城学者培养项目(CIT&TCD20130337)
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