[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-31893":3,"doc-seo-31893":27},{"code":4,"msg":5,"data":6},0,"success",{"doc_id":7,"user_id":8,"nickname":9,"user_avatar":10,"doc_module":4,"category_id":11,"category_name":12,"doc_title":13,"doc_description":14,"file_id":15,"file_url":16,"file_type":17,"file_size":18,"view_count":4,"is_deleted":4,"is_public":19,"is_downloadable":19,"audit_status":19,"page_count":20,"language":21,"language_code":22,"table_of_contents":23,"faqs":24,"seo_title":13,"seo_description":14,"update_tm":25,"read_time":26},31893,34359740700684,"Finn","https://ap-avatar.wpscdn.com/avatar/1f400023980c374ae676?_k=1777273430885731487",8,"Research & Report","Eccentric versus Conventional Cycle Training to Improve Muscle Strength in Advanced COPD: A Randomized Clinical Trial","Advanced chronic obstructive pulmonary disease (COPD) is characterized by poor exercise tolerance driven by ventilatory limitation and peripheral muscle dysfunction, contributing to disability and higher health care use. Conventional concentric (CON) endurance cycling may not reach sufficient overload intensities in severe patients due to dyspnea. Eccentric (ECC) endurance cycling, which lengthens while generating force, can produce greater muscle power gains with lower metabolic and cardiorespiratory demand. A randomized clinical trial compares 10 weeks of ECC versus CON cycling matched by heart rate intensity to improve quadriceps strength and related functional outcomes.","cbCaimGqM3DvOn7w","https://ap.wps.com/l/cbCaimGqM3DvOn7w","pdf",540751,1,9,"English","en","# Introduction\n## Limitations of conventional concentric training in severe COPD\n## Rationale for eccentric cycle training\n## Evidence gap and trial objective","[{\"question\":\"Why is conventional concentric cycling challenging for patients with severe COPD?\",\"answer\":\"Conventional training may not achieve high enough intensities to overload lower-limb muscles because severe dyspnea can prevent patients from reaching and sustaining required work rates.\"},{\"question\":\"What is the physiological rationale for eccentric (ECC) cycling in COPD rehabilitation?\",\"answer\":\"Eccentric exercise lengthens muscles while producing force and has been associated with greater gains in muscle power at lower metabolic and cardiorespiratory demand than conventional concentric exercise.\"},{\"question\":\"What does the randomized clinical trial aim to compare and measure?\",\"answer\":\"The trial compares 10 weeks of ECC versus CON cycle training matched by heart rate intensity but with different absolute power outputs, focusing primarily on peak quadriceps muscle strength and secondarily on functional outcomes such as 6-minute walking distance and endurance time.\"}]",1780434042,23,{"code":4,"msg":28,"data":29},"ok",{"site_id":30,"language":22,"slug":31,"title":13,"keywords":32,"description":14,"schema_data":33,"social_meta":84,"head_meta":86,"extra_data":88,"updated_unix":25},105,"eccentric-versus-conventional-cycle-training-to-improve-muscle-strength-in-advanced-copd-a-randomized-clinical-trial","",{"@graph":34,"@context":83},[35,52,66],{"@type":36,"itemListElement":37},"BreadcrumbList",[38,42,46,49],{"item":39,"name":40,"@type":41,"position":19},"https://docshare.wps.com","Home","ListItem",{"item":43,"name":44,"@type":41,"position":45},"https://docshare.wps.com/document/","Document",2,{"item":47,"name":12,"@type":41,"position":48},"https://docshare.wps.com/document/research-report/",3,{"item":50,"name":13,"@type":41,"position":51},"https://docshare.wps.com/document/eccentric-versus-conventional-cycle-training-to-improve-muscle-strength-in-advanced-copd-a-randomized-clinical-trial/31893/",4,{"url":50,"name":13,"@type":53,"author":54,"headline":13,"publisher":56,"fileFormat":59,"description":14,"dateModified":60,"datePublished":60,"encodingFormat":59,"isAccessibleForFree":61,"interactionStatistic":62},"DigitalDocument",{"name":9,"@type":55},"Person",{"url":39,"name":57,"@type":58},"DocShare","Organization","application/pdf","2026-06-02",true,{"@type":63,"interactionType":64,"userInteractionCount":4},"InteractionCounter",{"@type":65},"ViewAction",{"@type":67,"mainEntity":68},"FAQPage",[69,75,79],{"name":70,"@type":71,"acceptedAnswer":72},"Why is conventional concentric cycling challenging for patients with severe COPD?","Question",{"text":73,"@type":74},"Conventional training may not achieve high enough intensities to overload lower-limb muscles because severe dyspnea can prevent patients from reaching and sustaining required work rates.","Answer",{"name":76,"@type":71,"acceptedAnswer":77},"What is the physiological rationale for eccentric (ECC) cycling in COPD rehabilitation?",{"text":78,"@type":74},"Eccentric exercise lengthens muscles while producing force and has been associated with greater gains in muscle power at lower metabolic and cardiorespiratory demand than conventional concentric exercise.",{"name":80,"@type":71,"acceptedAnswer":81},"What does the randomized clinical trial aim to compare and measure?",{"text":82,"@type":74},"The trial compares 10 weeks of ECC versus CON cycle training matched by heart rate intensity but with different absolute power outputs, focusing primarily on peak quadriceps muscle strength and secondarily on functional outcomes such as 6-minute walking distance and endurance time.","https://schema.org",{"og:url":50,"og:type":85,"og:title":13,"og:site_name":57,"og:description":14},"article",{"robots":87,"canonical":50},"index,follow",{"doc_id":7,"site_id":30}]