{"id":"https://openalex.org/W7201840436","doi":"https://doi.org/10.64898/2026.08.04.26359742","title":"Video-based gait analysis using pose estimation can quantify gait differences among non-frail, pre-frail, and frail older adults","display_name":"Video-based gait analysis using pose estimation can quantify gait differences among non-frail, pre-frail, and frail older adults","publication_year":2026,"publication_date":"2026-08-07","ids":{"openalex":"https://openalex.org/W7201840436","doi":"https://doi.org/10.64898/2026.08.04.26359742","pmid":"https://pubmed.ncbi.nlm.nih.gov/42620119","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/13484832"},"language":"en","primary_location":{"id":"doi:10.64898/2026.08.04.26359742","doi":"https://doi.org/10.64898/2026.08.04.26359742","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.08.04.26359742","pdf_url":"https://www.medrxiv.org/content/medrxiv/early/2026/08/07/2026.08.04.26359742.full.pdf","source":{"id":"https://openalex.org/S3005729997","display_name":"medRxiv","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4310315909"],"host_organization_lineage_names":["Cold Spring Harbor Laboratory Press"],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"medRxiv","raw_type":"posted-content"},"volume":null,"type":"preprint","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.medrxiv.org/content/medrxiv/early/2026/08/07/2026.08.04.26359742.full.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056270443","display_name":"Kaleb Burch","orcid":"https://orcid.org/0000-0002-5498-3415","observed_orcids":["https://orcid.org/0000-0002-5498-3415"]},"institutions":[{"id":"https://openalex.org/I1298154867","display_name":"Kennedy Krieger Institute","ror":"https://ror.org/05q6tgt32","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1298154867"]},{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2799853436","display_name":"Johns Hopkins Medicine","ror":"https://ror.org/037zgn354","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Kaleb Burch","raw_affiliation_strings":["Center for Movement Studies, The Kennedy Krieger Institute, Baltimore, MD 21205","Department of Medicine, Division of Geriatric Medicine and Gerontology, The Johns Hopkins University School of Medicine, Baltimore, MD 21224"],"raw_orcid":"https://orcid.org/0000-0002-5498-3415","affiliations":[{"raw_affiliation_string":"Center for Movement Studies, The Kennedy Krieger Institute, Baltimore, MD 21205","institution_ids":["https://openalex.org/I1298154867"]},{"raw_affiliation_string":"Department of Medicine, Division of Geriatric Medicine and Gerontology, The Johns Hopkins University School of Medicine, Baltimore, MD 21224","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I2799853436"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5146019852","display_name":"Jaya Hamkins","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2799853436","display_name":"Johns Hopkins Medicine","ror":"https://ror.org/037zgn354","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jaya Hamkins","raw_affiliation_strings":["Department of Biomedical Engineering, The Johns Hopkins University School of Medicine, Baltimore, MD 21205"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, The Johns Hopkins University School of Medicine, Baltimore, MD 21205","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I2799853436"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031308659","display_name":"Laura T. McDaniel","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Laura McDaniel","raw_affiliation_strings":["Department of Electrical and Computer Engineering, The Johns Hopkins University, Baltimore, MD 21218"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, The Johns Hopkins University, Baltimore, MD 21218","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5146016354","display_name":"Ana Raquel Castro e Costa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2799853436","display_name":"Johns Hopkins Medicine","ror":"https://ror.org/037zgn354","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ana Raquel Castro e Costa","raw_affiliation_strings":["Department of Neuroscience, The Johns Hopkins University School of Medicine, Baltimore, MD 21205"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neuroscience, The Johns Hopkins University School of Medicine, Baltimore, MD 21205","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I2799853436"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5145947488","display_name":"Zechen Yang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1298154867","display_name":"Kennedy Krieger Institute","ror":"https://ror.org/05q6tgt32","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1298154867"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zechen Yang","raw_affiliation_strings":["Center for Movement Studies, The Kennedy Krieger Institute, Baltimore, MD 21205"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Movement Studies, The Kennedy Krieger Institute, Baltimore, MD 21205","institution_ids":["https://openalex.org/I1298154867"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000561574","display_name":"Jan Stenum","orcid":"https://orcid.org/0000-0002-0088-8703","observed_orcids":["https://orcid.org/0000-0002-0088-8703"]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2799853436","display_name":"Johns Hopkins Medicine","ror":"https://ror.org/037zgn354","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jan Stenum","raw_affiliation_strings":["Department of Physical Medicine and Rehabilitation, The Johns Hopkins University School of Medicine, Baltimore, MD 21205"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physical Medicine and Rehabilitation, The Johns Hopkins University School of Medicine, Baltimore, MD 21205","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I2799853436"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079394446","display_name":"Andrew Pagliocchini","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2799853436","display_name":"Johns Hopkins Medicine","ror":"https://ror.org/037zgn354","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Andrew Pagliocchini","raw_affiliation_strings":["Department of Medicine, Division of Geriatric Medicine and Gerontology, The Johns Hopkins University School of Medicine, Baltimore, MD 21224"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Medicine, Division of Geriatric Medicine and Gerontology, The Johns Hopkins University School of Medicine, Baltimore, MD 21224","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I2799853436"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5120571069","display_name":"Crystal Szczesny","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2799853436","display_name":"Johns Hopkins Medicine","ror":"https://ror.org/037zgn354","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Crystal Szczesny","raw_affiliation_strings":["Department of Medicine, Division of Geriatric Medicine and Gerontology, The Johns Hopkins University School of Medicine, Baltimore, MD 21224"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Medicine, Division of Geriatric Medicine and Gerontology, The Johns Hopkins University School of Medicine, Baltimore, MD 21224","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I2799853436"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113993562","display_name":"Jacqueline M. Langdon","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2799853436","display_name":"Johns Hopkins Medicine","ror":"https://ror.org/037zgn354","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jacqueline Langdon","raw_affiliation_strings":["Department of Medicine, Division of Geriatric Medicine and Gerontology, The Johns Hopkins University School of Medicine, Baltimore, MD 21224"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Medicine, Division of Geriatric Medicine and Gerontology, The Johns Hopkins University School of Medicine, Baltimore, MD 21224","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I2799853436"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074009856","display_name":"Rama R. Chellappa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2799853436","display_name":"Johns Hopkins Medicine","ror":"https://ror.org/037zgn354","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rama Chellappa","raw_affiliation_strings":["Department of Biomedical Engineering, The Johns Hopkins University School of Medicine, Baltimore, MD 21205","Department of Electrical and Computer Engineering, The Johns Hopkins University, Baltimore, MD 21218"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, The Johns Hopkins University School of Medicine, Baltimore, MD 21205","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I2799853436"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, The Johns Hopkins University, Baltimore, MD 21218","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025618178","display_name":"Peter M. Abadir","orcid":"https://orcid.org/0000-0002-8186-0066","observed_orcids":["https://orcid.org/0000-0002-8186-0066"]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2799853436","display_name":"Johns Hopkins Medicine","ror":"https://ror.org/037zgn354","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Peter M. Abadir","raw_affiliation_strings":["Department of Medicine, Division of Geriatric Medicine and Gerontology, The Johns Hopkins University School of Medicine, Baltimore, MD 21224"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Medicine, Division of Geriatric Medicine and Gerontology, The Johns Hopkins University School of Medicine, Baltimore, MD 21224","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I2799853436"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070261005","display_name":"Ryan Thomas Roemmich","orcid":"https://orcid.org/0000-0003-0797-6455","observed_orcids":["https://orcid.org/0000-0003-0797-6455"]},"institutions":[{"id":"https://openalex.org/I1298154867","display_name":"Kennedy Krieger Institute","ror":"https://ror.org/05q6tgt32","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1298154867"]},{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2799853436","display_name":"Johns Hopkins Medicine","ror":"https://ror.org/037zgn354","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ryan T. Roemmich","raw_affiliation_strings":["Center for Movement Studies, The Kennedy Krieger Institute, Baltimore, MD 21205","Department of Physical Medicine and Rehabilitation, The Johns Hopkins University School of Medicine, Baltimore, MD 21205"],"raw_orcid":"https://orcid.org/0000-0003-0797-6455","affiliations":[{"raw_affiliation_string":"Center for Movement Studies, The Kennedy Krieger Institute, Baltimore, MD 21205","institution_ids":["https://openalex.org/I1298154867"]},{"raw_affiliation_string":"Department of Physical Medicine and Rehabilitation, The Johns Hopkins University School of Medicine, Baltimore, MD 21205","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I2799853436"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5056270443"],"corresponding_institution_ids":["https://openalex.org/I1298154867","https://openalex.org/I145311948","https://openalex.org/I2799853436"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11011","display_name":"Frailty in Older Adults","score":0.7562999725341797,"subfield":{"id":"https://openalex.org/subfields/2717","display_name":"Geriatrics and Gerontology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11011","display_name":"Frailty in Older Adults","score":0.7562999725341797,"subfield":{"id":"https://openalex.org/subfields/2717","display_name":"Geriatrics and Gerontology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10114","display_name":"Balance, Gait, and Falls Prevention","score":0.22310000658035278,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12740","display_name":"Gait Recognition and Analysis","score":0.007799999788403511,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/frailty","display_name":"frailty","score":0.8460000157356262},{"id":"https://openalex.org/keywords/pre-frailty","display_name":"pre-frailty","score":0.921999990940094},{"id":"https://openalex.org/keywords/gait-analysis","display_name":"gait analysis","score":0.7490000128746033},{"id":"https://openalex.org/keywords/human-pose-estimation","display_name":"human pose estimation","score":0.9269999861717224},{"id":"https://openalex.org/keywords/video-based-gait-analysis","display_name":"video-based gait analysis","score":0.8330000042915344},{"id":"https://openalex.org/keywords/older-adults","display_name":"older adults","score":0.9819999933242798},{"id":"https://openalex.org/keywords/walking-speed","display_name":"walking speed","score":0.6579999923706055},{"id":"https://openalex.org/keywords/step-time","display_name":"step time","score":0.7620000243186951},{"id":"https://openalex.org/keywords/spatiotemporal-gait-parameters","display_name":"spatiotemporal gait parameters","score":0.9710000157356262},{"id":"https://openalex.org/keywords/frailty-screening","display_name":"frailty screening","score":0.8859999775886536}],"concepts":[{"id":"https://openalex.org/C151800584","wikidata":"https://www.wikidata.org/wiki/Q2370000","display_name":"Gait","level":2,"score":0.8227999806404114},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.6620000004768372},{"id":"https://openalex.org/C173906292","wikidata":"https://www.wikidata.org/wiki/Q1493441","display_name":"Gait analysis","level":3,"score":0.5939000248908997},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4406999945640564},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.40639999508857727},{"id":"https://openalex.org/C27415008","wikidata":"https://www.wikidata.org/wiki/Q7256382","display_name":"Psychological intervention","level":2,"score":0.35749998688697815},{"id":"https://openalex.org/C3019887659","wikidata":"https://www.wikidata.org/wiki/Q191089","display_name":"Older people","level":2,"score":0.33329999446868896},{"id":"https://openalex.org/C70770792","wikidata":"https://www.wikidata.org/wiki/Q7239848","display_name":"Preferred walking speed","level":2,"score":0.3319000005722046},{"id":"https://openalex.org/C3017944768","wikidata":"https://www.wikidata.org/wiki/Q1450463","display_name":"Poison control","level":2,"score":0.33160001039505005},{"id":"https://openalex.org/C2777131913","wikidata":"https://www.wikidata.org/wiki/Q2359404","display_name":"Falls in older adults","level":4,"score":0.30570000410079956},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.29490000009536743},{"id":"https://openalex.org/C79544238","wikidata":"https://www.wikidata.org/wiki/Q423243","display_name":"Activities of daily living","level":2,"score":0.2831999957561493},{"id":"https://openalex.org/C190385971","wikidata":"https://www.wikidata.org/wiki/Q373494","display_name":"Injury prevention","level":3,"score":0.262800008058548},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.25110000371932983}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.64898/2026.08.04.26359742","doi":"https://doi.org/10.64898/2026.08.04.26359742","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.08.04.26359742","pdf_url":"https://www.medrxiv.org/content/medrxiv/early/2026/08/07/2026.08.04.26359742.full.pdf","source":{"id":"https://openalex.org/S3005729997","display_name":"medRxiv","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4310315909"],"host_organization_lineage_names":["Cold Spring Harbor Laboratory Press"],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"medRxiv","raw_type":"posted-content"},{"id":"pmid:42620119","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/42620119","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"medRxiv : the preprint server for health sciences","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:13484832","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC13484832/","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"medRxiv","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.64898/2026.08.04.26359742","doi":"https://doi.org/10.64898/2026.08.04.26359742","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.08.04.26359742","pdf_url":"https://www.medrxiv.org/content/medrxiv/early/2026/08/07/2026.08.04.26359742.full.pdf","source":{"id":"https://openalex.org/S3005729997","display_name":"medRxiv","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4310315909"],"host_organization_lineage_names":["Cold Spring Harbor Laboratory Press"],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"medRxiv","raw_type":"posted-content"},"sustainable_development_goals":[{"score":0.9391000270843506,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[{"id":"https://openalex.org/G2192929767","display_name":null,"funder_award_id":"P30AG021334","funder_id":"https://openalex.org/F4320310145","funder_display_name":"Johns Hopkins University"},{"id":"https://openalex.org/G6148831341","display_name":"Precision Rehabilitation Across the Lifespan","funder_award_id":"1p50hd118624-01","funder_id":"https://openalex.org/F4320332161","funder_display_name":"National Institutes of Health"},{"id":"https://openalex.org/G9000858274","display_name":"Translational Aging Research Training Program","funder_award_id":"T32AG058527","funder_id":"https://openalex.org/F4320337337","funder_display_name":"National Institute on Aging"},{"id":"https://openalex.org/G9000917273","display_name":"Older Americans Independence Center","funder_award_id":"P30AG021334","funder_id":"https://openalex.org/F4320337337","funder_display_name":"National Institute on Aging"}],"funders":[{"id":"https://openalex.org/F4320310145","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95"},{"id":"https://openalex.org/F4320332161","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88"},{"id":"https://openalex.org/F4320337337","display_name":"National Institute on Aging","ror":"https://ror.org/049v75w11"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7201840436.pdf","grobid_xml":"https://content.openalex.org/works/W7201840436.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W2006455433","https://openalex.org/W2015795623","https://openalex.org/W2108869018","https://openalex.org/W2115783700","https://openalex.org/W2127864943","https://openalex.org/W2139520621","https://openalex.org/W2159790336","https://openalex.org/W2160351178","https://openalex.org/W2304576790","https://openalex.org/W2305754229","https://openalex.org/W2556869693","https://openalex.org/W2802067770","https://openalex.org/W2887114371","https://openalex.org/W3118851953","https://openalex.org/W3154625726","https://openalex.org/W4206556668","https://openalex.org/W4386531420","https://openalex.org/W4391845811","https://openalex.org/W4393201840"],"related_works":["https://openalex.org/W2006455433","https://openalex.org/W1572558947","https://openalex.org/W6991328245","https://openalex.org/W2468749988","https://openalex.org/W3213566735","https://openalex.org/W7160537842","https://openalex.org/W2105229970","https://openalex.org/W3021352319","https://openalex.org/W2001286221","https://openalex.org/W4285678829"],"abstract_inverted_index":{"ABSTRACT":[0],"Frailty":[1,17],"is":[2,80],"a":[3,184],"common":[4],"consequence":[5],"of":[6,84,101,160,172,186,220],"aging":[7],"that":[8,201],"makes":[9],"individuals":[10,24],"increasingly":[11],"susceptible":[12],"to":[13,25,33,127,164,168],"adverse":[14],"health":[15],"outcomes.":[16],"screening":[18],"can":[19,205],"identify":[20],"pre-frail":[21],"and":[22,42,48,70,86,115,118,129,155,196],"frail":[23,197],"prescribe":[26],"interventions":[27],"or":[28,35],"inform":[29],"clinical":[30,50],"decision":[31],"making":[32],"prevent":[34],"slow":[36,77],"additional":[37],"frailty":[38,44,51,134,213,229],"progression.":[39],"Objective,":[40],"scalable,":[41],"automated":[43],"assessments":[45],"may":[46],"expedite":[47],"improve":[49],"screening.":[52],"Here,":[53],"we":[54],"leveraged":[55],"human":[56],"pose":[57,122,222],"estimation":[58,223],"for":[59,208,224],"video-based":[60,174,202,221],"gait":[61,75,88,124,131,175,191,203,210,226],"analysis":[62,125,176,204],"in":[63,93,178,189,231],"older":[64,94,103,179,198,232],"adults":[65,95,104],"who":[66],"were":[67,141],"non-frail,":[68,106,194],"pre-frail,":[69,108,195],"frail.":[71],"We":[72,98,181],"focused":[73],"on":[74],"because":[76],"walking":[78,111],"speed":[79],"key":[81],"diagnostic":[82],"criteria":[83],"frailty,":[85],"many":[87],"deviations":[89],"are":[90],"often":[91],"observed":[92],"with":[96,144],"frailty.":[97],"collected":[99],"videos":[100],"68":[102],"(25":[105],"25":[107],"18":[109],"frail)":[110],"at":[112],"both":[113],"self-selected":[114],"fast":[116],"paces":[117],"used":[119],"an":[120],"established":[121],"estimation-based":[123,137],"approach":[126,177],"measure":[128],"compare":[130],"parameters":[132,192],"across":[133,212,228],"statuses.":[135,214],"Pose":[136],"step":[138],"time":[139],"measurements":[140],"strongly":[142],"correlated":[143],"manual":[145],"annotations":[146],"(self-selected:":[147,162],"R":[148,152],"2":[149,153],"=0.93,":[150],"fast:":[151,166],"=0.80)":[154],"showed":[156],"tight":[157],"Bland-Altman":[158],"limits":[159],"agreement":[161],"-0.082":[163],"0.052s,":[165],"-0.114":[167],"0.110s),":[169],"establishing":[170],"validity":[171],"this":[173],"adults.":[180,233],"then":[182],"identified":[183],"series":[185],"cross-sectional":[187],"differences":[188,211],"spatiotemporal":[190],"among":[193],"adults,":[199],"demonstrating":[200],"be":[206],"useful":[207],"measuring":[209],"This":[215],"study":[216],"demonstrates":[217],"the":[218],"potential":[219],"scalable":[225],"tracking":[227],"statuses":[230]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-08-08T00:00:00"}
