{"id":"https://openalex.org/W139720977","doi":null,"title":"A proposed model for load carriage on sloped terrain.","display_name":"A proposed model for load carriage on sloped terrain.","publication_year":2001,"publication_date":"2001-06-01","ids":{"openalex":"https://openalex.org/W139720977","mag":"139720977","pmid":"https://pubmed.ncbi.nlm.nih.gov/11396562"},"language":"en","primary_location":{"id":"pmid:11396562","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/11396562","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":"Aviation, space, and environmental medicine","raw_type":"Journal Article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5066048759","display_name":"William R. Santee","orcid":"https://orcid.org/0000-0002-0389-9862","observed_orcids":["https://orcid.org/0000-0002-0389-9862"]},"institutions":[{"id":"https://openalex.org/I121067369","display_name":"U.S. Army Research Institute of Environmental Medicine","ror":"https://ror.org/00rg6zq05","country_code":"US","type":"funder","lineage":["https://openalex.org/I106965489","https://openalex.org/I121067369","https://openalex.org/I1304082316","https://openalex.org/I1330347796","https://openalex.org/I2802581893"]},{"id":"https://openalex.org/I4210088792","display_name":"United States Army","ror":"https://ror.org/00afsp483","country_code":"US","type":"government","lineage":["https://openalex.org/I1304082316","https://openalex.org/I1330347796","https://openalex.org/I4210088792"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"W R Santee","raw_affiliation_strings":["US Army Research Institute of Environmental Medicine, Natick, MA 01760-5007, USA. william.santee@na.amedd.army.mil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"US Army Research Institute of Environmental Medicine, Natick, MA 01760-5007, USA. william.santee@na.amedd.army.mil","institution_ids":["https://openalex.org/I121067369","https://openalex.org/I4210088792"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109840722","display_name":"W F Allison","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"W F Allison","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034321641","display_name":"Laurie Blanchard","orcid":"https://orcid.org/0000-0003-4200-4352","observed_orcids":["https://orcid.org/0000-0003-4200-4352"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L A Blanchard","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5016172451","display_name":"Mark G. Small","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M G Small","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.0191,"has_fulltext":false,"cited_by_count":53,"citation_normalized_percentile":{"value":0.92830106,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"72","issue":"6","first_page":"562","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12138","display_name":"Occupational Health and Performance","score":0.8661999702453613,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/T12138","display_name":"Occupational Health and Performance","score":0.8661999702453613,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/T11209","display_name":"Cardiovascular and exercise physiology","score":0.08529999852180481,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology (medical)"},"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/T10157","display_name":"Sports Performance and Training","score":0.019099999219179153,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/load-carriage","display_name":"load carriage","score":0.9929999709129333},{"id":"https://openalex.org/keywords/sloped-terrain","display_name":"sloped terrain","score":0.9470000267028809},{"id":"https://openalex.org/keywords/uphill-walking","display_name":"uphill walking","score":0.7319999933242798},{"id":"https://openalex.org/keywords/downhill-walking","display_name":"downhill walking","score":0.9850000143051147},{"id":"https://openalex.org/keywords/oxygen-consumption","display_name":"oxygen consumption","score":0.6940000057220459},{"id":"https://openalex.org/keywords/energy-cost-of-walking","display_name":"energy cost of walking","score":0.7049999833106995},{"id":"https://openalex.org/keywords/walking-efficiency","display_name":"walking efficiency","score":0.3790000081062317},{"id":"https://openalex.org/keywords/slope-gradient","display_name":"slope gradient","score":0.5979999899864197},{"id":"https://openalex.org/keywords/predictive-model","display_name":"prediction model","score":0.5400000214576721}],"concepts":[{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.6753517389297485},{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.630374550819397},{"id":"https://openalex.org/C2780759522","wikidata":"https://www.wikidata.org/wiki/Q7922828","display_name":"Vertical displacement","level":2,"score":0.5928558111190796},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5731054544448853},{"id":"https://openalex.org/C107551265","wikidata":"https://www.wikidata.org/wiki/Q1458245","display_name":"Displacement (psychology)","level":2,"score":0.5466603636741638},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.49583324790000916},{"id":"https://openalex.org/C3019966295","wikidata":"https://www.wikidata.org/wiki/Q1341368","display_name":"Energy cost","level":2,"score":0.49069201946258545},{"id":"https://openalex.org/C151376022","wikidata":"https://www.wikidata.org/wiki/Q168698","display_name":"Exponential function","level":2,"score":0.4329809844493866},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.37130850553512573},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.34854745864868164},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.34439414739608765},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.19763538241386414},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.17052942514419556},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15578553080558777},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.1523621678352356},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1266719102859497},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.1190679669380188},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.11717298626899719},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000367","descriptor_name":"Age Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000704","descriptor_name":"Analysis of Variance","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001827","descriptor_name":"Body Height","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001830","descriptor_name":"Body Surface Area","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001835","descriptor_name":"Body Weight","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004734","descriptor_name":"Energy Metabolism","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","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":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008954","descriptor_name":"Models, Biological","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D010101","descriptor_name":"Oxygen Consumption","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D011237","descriptor_name":"Predictive Value of Tests","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016138","descriptor_name":"Walking","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D016474","descriptor_name":"Weight-Bearing","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D017770","descriptor_name":"Lifting","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"pmid:11396562","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/11396562","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":"Aviation, space, and environmental medicine","raw_type":"Journal Article"},{"id":"mag:139720977","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/11396562","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2083217450","https://openalex.org/W284405084","https://openalex.org/W144080665","https://openalex.org/W2155938277","https://openalex.org/W2096874222","https://openalex.org/W4401448600","https://openalex.org/W3183217478","https://openalex.org/W2008087384","https://openalex.org/W2072094665","https://openalex.org/W2103657151"],"abstract_inverted_index":{"BACKGROUND:":[0],"The":[1,49,139],"purpose":[2],"of":[3,46,52,99,160,163,170,191,203,212],"this":[4],"study":[5],"was":[6,89,185,206],"to":[7,19,57,68,236],"develop":[8],"a":[9,40,59,79,107,122],"predictive":[10],"model":[11,41,149],"for":[12,82,91,174,217],"uphill":[13,27,83,182],"and":[14,29,119,219],"downhill":[15,47,53,72,199],"load":[16,35,225],"carriage.":[17],"Relative":[18],"level":[20,164,218],"walking,":[21],"net":[22,50],"energy":[23,154],"costs":[24,73],"increase":[25,63],"with":[26,121,223,228],"movement":[28,54],"decrease":[30],"moving":[31],"downhill.":[32],"To":[33],"simulate":[34],"carriage":[36],"over":[37],"complex":[38],"terrain,":[39],"must":[42],"estimate":[43],"the":[44,152,158,161,168,175,189,201,213,239],"cost":[45,51,162,169,190,202],"movement.":[48],"is":[55,66,157],"expected":[56],"reach":[58],"minimum":[60,140],"value,":[61],"then":[62],"as":[64],"work":[65],"required":[67],"maintain":[69],"stability.":[70],"Thus,":[71],"cannot":[74],"be":[75],"simply":[76],"extrapolated":[77],"from":[78,232],"linear":[80],"relationship":[81],"work.":[84],"METHOD:":[85],"Oxygen":[86],"uptake":[87],"(VO2)":[88],"measured":[90],"16":[92],"subjects":[93],"during":[94],"test":[95],"sessions":[96],"which":[97],"consisted":[98],"walking":[100,165,222],"at":[101,144],"1.34":[102],"m":[103],"x":[104],"s(-1)":[105],"on":[106],"single":[108],"grade":[109],"(-12%,":[110],"-10%,":[111],"-8%,":[112],"-4%,":[113],"-2%,":[114],"0%,":[115],"+4%,":[116,117],"+8%":[118],"+12%)":[120],"0,":[123],"9.1-":[124],"or":[125],"18.1-kg":[126],"load.":[127],"RESULTS:":[128],"No":[129],"significant":[130],"gender":[131],"differences":[132],"were":[133,137,226],"found,":[134],"therefore":[135],"data":[136],"pooled.":[138],"VO2":[141],"values":[142,230],"occurred":[143],"-8%":[145],"grade.":[146],"CONCLUSION:":[147],"Our":[148],"assumes":[150],"that":[151],"total":[153,176],"requirement":[155],"(WT)":[156],"sum":[159],"(W(L))":[166],"plus":[167,179],"vertical":[171,192,204],"displacement":[172,193,205],"(Wv)":[173],"mass":[177],"(body":[178],"load).":[180],"For":[181,198],"work,":[183,200],"Wv":[184],"calculated":[186],"by":[187,194,208],"multiplying":[188],"an":[195,209],"efficiency":[196],"factor.":[197],"modified":[207],"exponential":[210],"function":[211],"slope":[214,221],"angle.":[215],"Values":[216],"negative":[220,240],"no":[224],"compared":[227],"estimated":[229],"derived":[231],"two":[233],"published":[234],"studies":[235],"partially":[237],"validate":[238],"model.":[241]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":4},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
