{"id":"https://openalex.org/W4213417251","doi":"https://doi.org/10.3390/s22051749","title":"Amputee Fall Risk Classification Using Machine Learning and Smartphone Sensor Data from 2-Minute and 6-Minute Walk Tests","display_name":"Amputee Fall Risk Classification Using Machine Learning and Smartphone Sensor Data from 2-Minute and 6-Minute Walk Tests","publication_year":2022,"publication_date":"2022-02-23","ids":{"openalex":"https://openalex.org/W4213417251","doi":"https://doi.org/10.3390/s22051749","pmid":"https://pubmed.ncbi.nlm.nih.gov/35270892"},"language":"en","primary_location":{"id":"doi:10.3390/s22051749","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22051749","pdf_url":"https://www.mdpi.com/1424-8220/22/5/1749/pdf?version=1645673183","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/22/5/1749/pdf?version=1645673183","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5035535526","display_name":"Pascale Juneau","orcid":"https://orcid.org/0000-0001-8682-6054"},"institutions":[{"id":"https://openalex.org/I153718931","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16","country_code":"CA","type":"education","lineage":["https://openalex.org/I153718931"]},{"id":"https://openalex.org/I2800722420","display_name":"Ottawa Hospital","ror":"https://ror.org/03c62dg59","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I2800722420"]},{"id":"https://openalex.org/I4388482656","display_name":"Ottawa Hospital Research Institute","ror":"https://ror.org/05jtef216","country_code":null,"type":"healthcare","lineage":["https://openalex.org/I153718931","https://openalex.org/I2800722420","https://openalex.org/I4388482656"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Pascale Juneau","raw_affiliation_strings":["Department of Mechanical Engineering, University of Ottawa, Ottawa, ON K1N 6N5, Canada","Ottawa Hospital Research Institute, Ottawa, ON K1Y 4E9, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, University of Ottawa, Ottawa, ON K1N 6N5, Canada","institution_ids":["https://openalex.org/I153718931"]},{"raw_affiliation_string":"Ottawa Hospital Research Institute, Ottawa, ON K1Y 4E9, Canada","institution_ids":["https://openalex.org/I2800722420","https://openalex.org/I4388482656"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042049538","display_name":"Natalie Baddour","orcid":"https://orcid.org/0000-0002-7025-7501"},"institutions":[{"id":"https://openalex.org/I153718931","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16","country_code":"CA","type":"education","lineage":["https://openalex.org/I153718931"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Natalie Baddour","raw_affiliation_strings":["Department of Mechanical Engineering, University of Ottawa, Ottawa, ON K1N 6N5, Canada"],"raw_orcid":"https://orcid.org/0000-0002-7025-7501","affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, University of Ottawa, Ottawa, ON K1N 6N5, Canada","institution_ids":["https://openalex.org/I153718931"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061764810","display_name":"Helena Burger","orcid":"https://orcid.org/0000-0001-9789-9689"},"institutions":[{"id":"https://openalex.org/I153976015","display_name":"University of Ljubljana","ror":"https://ror.org/05njb9z20","country_code":"SI","type":"education","lineage":["https://openalex.org/I153976015"]},{"id":"https://openalex.org/I4210104232","display_name":"Univerzitetni Rehabilitacijski In\u0161titut","ror":"https://ror.org/00vsmb158","country_code":"SI","type":"education","lineage":["https://openalex.org/I4210104232"]}],"countries":["SI"],"is_corresponding":false,"raw_author_name":"Helena Burger","raw_affiliation_strings":["Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia","University Rehabilitation Institute, University of Ljubljana, 1000 Ljubljana, Slovenia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia","institution_ids":["https://openalex.org/I153976015"]},{"raw_affiliation_string":"University Rehabilitation Institute, University of Ljubljana, 1000 Ljubljana, Slovenia","institution_ids":["https://openalex.org/I4210104232","https://openalex.org/I153976015"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078148341","display_name":"Andrej Bavec","orcid":null},"institutions":[{"id":"https://openalex.org/I153976015","display_name":"University of Ljubljana","ror":"https://ror.org/05njb9z20","country_code":"SI","type":"education","lineage":["https://openalex.org/I153976015"]},{"id":"https://openalex.org/I4210104232","display_name":"Univerzitetni Rehabilitacijski In\u0161titut","ror":"https://ror.org/00vsmb158","country_code":"SI","type":"education","lineage":["https://openalex.org/I4210104232"]}],"countries":["SI"],"is_corresponding":false,"raw_author_name":"Andrej Bavec","raw_affiliation_strings":["Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia","University Rehabilitation Institute, University of Ljubljana, 1000 Ljubljana, Slovenia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia","institution_ids":["https://openalex.org/I153976015"]},{"raw_affiliation_string":"University Rehabilitation Institute, University of Ljubljana, 1000 Ljubljana, Slovenia","institution_ids":["https://openalex.org/I4210104232","https://openalex.org/I153976015"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024956743","display_name":"Edward D. Lemaire","orcid":"https://orcid.org/0000-0003-4693-2623"},"institutions":[{"id":"https://openalex.org/I153718931","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16","country_code":"CA","type":"education","lineage":["https://openalex.org/I153718931"]},{"id":"https://openalex.org/I2800722420","display_name":"Ottawa Hospital","ror":"https://ror.org/03c62dg59","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I2800722420"]},{"id":"https://openalex.org/I4388482656","display_name":"Ottawa Hospital Research Institute","ror":"https://ror.org/05jtef216","country_code":null,"type":"healthcare","lineage":["https://openalex.org/I153718931","https://openalex.org/I2800722420","https://openalex.org/I4388482656"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Edward D. Lemaire","raw_affiliation_strings":["Faculty of Medicine, University of Ottawa, Ottawa, ON K1N 6N5, Canada","Ottawa Hospital Research Institute, Ottawa, ON K1Y 4E9, Canada"],"raw_orcid":"https://orcid.org/0000-0003-4693-2623","affiliations":[{"raw_affiliation_string":"Faculty of Medicine, University of Ottawa, Ottawa, ON K1N 6N5, Canada","institution_ids":["https://openalex.org/I153718931"]},{"raw_affiliation_string":"Ottawa Hospital Research Institute, Ottawa, ON K1Y 4E9, Canada","institution_ids":["https://openalex.org/I2800722420","https://openalex.org/I4388482656"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5035535526"],"corresponding_institution_ids":["https://openalex.org/I153718931","https://openalex.org/I2800722420","https://openalex.org/I4388482656"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":4.1938,"has_fulltext":true,"cited_by_count":11,"citation_normalized_percentile":{"value":0.93774024,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"22","issue":"5","first_page":"1749","last_page":"1749"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10114","display_name":"Balance, Gait, and Falls Prevention","score":0.9980999827384949,"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"}},"topics":[{"id":"https://openalex.org/T10114","display_name":"Balance, Gait, and Falls Prevention","score":0.9980999827384949,"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/T11023","display_name":"Prosthetics and Rehabilitation Robotics","score":0.9750999808311462,"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"}},{"id":"https://openalex.org/T10784","display_name":"Muscle activation and electromyography studies","score":0.9714999794960022,"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/smartphone-application","display_name":"Smartphone application","score":0.5117192268371582},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.47581273317337036},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4265490174293518},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.38721776008605957},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.3787882626056671},{"id":"https://openalex.org/keywords/physical-medicine-and-rehabilitation","display_name":"Physical medicine and rehabilitation","score":0.37753260135650635},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.3768211007118225},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.32925546169281006},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.287859708070755},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.18716168403625488}],"concepts":[{"id":"https://openalex.org/C3020250448","wikidata":"https://www.wikidata.org/wiki/Q620615","display_name":"Smartphone application","level":2,"score":0.5117192268371582},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.47581273317337036},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4265490174293518},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.38721776008605957},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.3787882626056671},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.37753260135650635},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.3768211007118225},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.32925546169281006},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.287859708070755},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.18716168403625488}],"mesh":[{"descriptor_ui":"D000068997","descriptor_name":"Smartphone","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000068997","descriptor_name":"Smartphone","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000068997","descriptor_name":"Smartphone","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000069550","descriptor_name":"Machine Learning","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000069550","descriptor_name":"Machine Learning","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000069550","descriptor_name":"Machine Learning","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000070857","descriptor_name":"Walk Test","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D000070857","descriptor_name":"Walk Test","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D000070857","descriptor_name":"Walk Test","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D000674","descriptor_name":"Amputees","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000674","descriptor_name":"Amputees","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000674","descriptor_name":"Amputees","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D001185","descriptor_name":"Artificial Intelligence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001185","descriptor_name":"Artificial Intelligence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001185","descriptor_name":"Artificial Intelligence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012189","descriptor_name":"Retrospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012189","descriptor_name":"Retrospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012189","descriptor_name":"Retrospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016138","descriptor_name":"Walking","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016138","descriptor_name":"Walking","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016138","descriptor_name":"Walking","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":5,"locations":[{"id":"doi:10.3390/s22051749","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22051749","pdf_url":"https://www.mdpi.com/1424-8220/22/5/1749/pdf?version=1645673183","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:35270892","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/35270892","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,"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":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:115e7162ed8345c78787485f02d53621","is_oa":true,"landing_page_url":"https://doaj.org/article/115e7162ed8345c78787485f02d53621","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 22, Iss 5, p 1749 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/22/5/1749/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s22051749","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors; Volume 22; Issue 5; Pages: 1749","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8914626","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8914626","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,"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s22051749","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22051749","pdf_url":"https://www.mdpi.com/1424-8220/22/5/1749/pdf?version=1645673183","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5694661585","display_name":null,"funder_award_id":"RGPIN-2019-04106","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"}],"funders":[{"id":"https://openalex.org/F4320310630","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16"},{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4213417251.pdf","grobid_xml":"https://content.openalex.org/works/W4213417251.grobid-xml"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W2042105519","https://openalex.org/W2046056849","https://openalex.org/W2065241879","https://openalex.org/W2077567687","https://openalex.org/W2086797595","https://openalex.org/W2110585947","https://openalex.org/W2146309387","https://openalex.org/W2155626000","https://openalex.org/W2163672424","https://openalex.org/W2166232227","https://openalex.org/W2168285335","https://openalex.org/W2181355203","https://openalex.org/W2464070031","https://openalex.org/W2610607594","https://openalex.org/W2621543313","https://openalex.org/W2755715597","https://openalex.org/W2789368928","https://openalex.org/W2805491049","https://openalex.org/W2894747149","https://openalex.org/W2980465517","https://openalex.org/W3015468399","https://openalex.org/W3083828561","https://openalex.org/W3135654362","https://openalex.org/W3161015022","https://openalex.org/W3205417097","https://openalex.org/W4245666729","https://openalex.org/W6748402078"],"related_works":["https://openalex.org/W2100279467","https://openalex.org/W2765396887","https://openalex.org/W4313418547","https://openalex.org/W2128187209","https://openalex.org/W2739511251","https://openalex.org/W4377982295","https://openalex.org/W2275027362","https://openalex.org/W2114040463","https://openalex.org/W4225093743","https://openalex.org/W2100557470"],"abstract_inverted_index":{"The":[0,36,140,174],"6-min":[1,113,162],"walk":[2,38,114],"test":[3,39,115],"(6MWT)":[4],"is":[5,41],"commonly":[6],"used":[7,88],"to":[8,269,275],"assess":[9],"a":[10,79,112,191,252],"person\u2019s":[11],"physical":[12],"mobility":[13,49],"and":[14,72,171,184,205,272],"aerobic":[15],"capacity.":[16],"However,":[17],"richer":[18],"knowledge":[19],"can":[20,266],"be":[21,267],"extracted":[22],"from":[23,78,151,209,218,284],"movement":[24],"assessments":[25],"using":[26,76,94,201,281],"artificial":[27],"intelligence":[28],"(AI)":[29],"models,":[30],"such":[31],"as":[32],"fall":[33,73,189,227,293],"risk":[34,74,228,294],"status.":[35],"2-min":[37,175],"(2MWT)":[40],"an":[42,120],"alternate":[43],"assessment":[44],"for":[45,89,143,229,255],"people":[46,58],"with":[47,59,101,160],"reduced":[48],"who":[50,239],"cannot":[51],"complete":[52],"the":[53,102,125,134,152,161,210,219,242],"full":[54],"6MWT,":[55],"including":[56],"some":[57],"lower":[60,261,296],"limb":[61,262,297],"amputations;":[62],"therefore,":[63],"this":[64],"research":[65,250],"investigated":[66],"automated":[67,90,206,256,282],"foot":[68,91,257],"strike":[69,92,258],"(FS)":[70],"detection":[71,93],"classification":[75],"data":[77,96,224,274,288],"2MWT.":[80],"A":[81],"long":[82],"short-term":[83],"memory":[84],"(LSTM)":[85],"model":[86,163,176,194],"was":[87,122,146,195],"retrospective":[95],"(n":[97],"=":[98],"80)":[99],"collected":[100],"Ottawa":[103],"Hospital":[104],"Rehabilitation":[105],"Centre":[106],"(TOHRC)":[107],"Walk":[108],"Test":[109],"app":[110],"during":[111],"(6MWT).":[116],"To":[117,187],"identify":[118],"FS,":[119],"LSTM":[121],"trained":[123,196],"on":[124,133,197],"entire":[126],"six":[127,244],"minutes":[128,137,155,213,222,286],"of":[129,138,156,214,223,231,237,287],"data,":[130],"then":[131],"re-trained":[132],"first":[135,153,211,220],"two":[136,154,212,221,285],"data.":[139,157,215],"validation":[141],"set":[142],"both":[144,270],"models":[145],"ground":[147],"truth":[148],"FS":[149,158,204,207,217,283],"labels":[150],"identification":[159,259],"had":[164],"99.2%":[165],"accuracy,":[166,179],"91.7%":[167],"sensitivity,":[168,181],"99.4%":[169],"specificity,":[170,183],"82.7%":[172],"precision.":[173,186],"achieved":[177],"98.0%":[178],"65.0%":[180],"99.1%":[182],"68.6%":[185],"classify":[188,292],"risk,":[190],"random":[192],"forest":[193],"step-based":[198],"features":[199],"calculated":[200,280],"manually":[202],"labeled":[203],"identified":[208],"Automated":[216],"correctly":[225,247],"classified":[226],"61":[230],"80":[232],"(76.3%)":[233],"participants;":[234],"however,":[235],"<50%":[236],"participants":[238],"fell":[240],"within":[241],"past":[243],"months":[245],"were":[246],"classified.":[248],"This":[249],"evaluated":[251],"novel":[253],"method":[254],"in":[260,295],"amputee":[263],"populations":[264],"that":[265],"applied":[268],"6MWT":[271],"2MWT":[273],"calculate":[276],"stride":[277],"parameters.":[278],"Features":[279],"could":[289],"not":[290],"sufficiently":[291],"amputees.":[298]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}