{"id":"https://openalex.org/W2159379142","doi":"https://doi.org/10.1093/ptj/69.11.897","title":"Quadriceps Femoris Muscle Angle: Normal Values and Relationships with Gender and Selected Skeletal Measures","display_name":"Quadriceps Femoris Muscle Angle: Normal Values and Relationships with Gender and Selected Skeletal Measures","publication_year":1989,"publication_date":"1989-11-01","ids":{"openalex":"https://openalex.org/W2159379142","doi":"https://doi.org/10.1093/ptj/69.11.897","mag":"2159379142","pmid":"https://pubmed.ncbi.nlm.nih.gov/2813517"},"language":"en","primary_location":{"id":"doi:10.1093/ptj/69.11.897","doi":"https://doi.org/10.1093/ptj/69.11.897","is_oa":false,"landing_page_url":"https://doi.org/10.1093/ptj/69.11.897","pdf_url":null,"source":{"id":"https://openalex.org/S4210185354","display_name":"Physical Therapy","issn_l":"0031-9023","issn":["0031-9023","1538-6724"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-2","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Therapy","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W2159379142"],"child_works_count":0,"type":"article","is_traditional":true,"indexed_in":["crossref","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/A5011483911","display_name":"Melissa G. Horton","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210138979","display_name":"Cape Fear Valley Medical Center","ror":"https://ror.org/045czjy48","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210127100","https://openalex.org/I4210138979"]},{"id":"https://openalex.org/I4210158401","display_name":"Novant Health Forsyth Medical Center","ror":"https://ror.org/04mm17p39","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2802152183","https://openalex.org/I4210158401"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Melissa G Horton","raw_affiliation_strings":["Forsyth Memorial Hospital, Winston-Salem, NC 27103","M Horton, BS, PT, is Staff Physical Therapist, Forsyth Memorial Hospital, 3333 Silas Creek Pkwy, Winston-Salem, NC 27103 (USA). She was Acute Physical Therapy Supervisor, Southeastern Regional Rehabilitation Center, Cape Fear Valley Medical Center, PO Box 2000, Fayetteville, NC 28302-2000, when this article was written"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Forsyth Memorial Hospital, Winston-Salem, NC 27103","institution_ids":["https://openalex.org/I4210158401"]},{"raw_affiliation_string":"M Horton, BS, PT, is Staff Physical Therapist, Forsyth Memorial Hospital, 3333 Silas Creek Pkwy, Winston-Salem, NC 27103 (USA). She was Acute Physical Therapy Supervisor, Southeastern Regional Rehabilitation Center, Cape Fear Valley Medical Center, PO Box 2000, Fayetteville, NC 28302-2000, when this article was written","institution_ids":["https://openalex.org/I4210138979"]}]},{"author_position":"last","author":{"id":null,"display_name":"Terry L Hall","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1324118502","display_name":"Moses H Cone Memorial Hospital","ror":"https://ror.org/045m9y072","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1313334418","https://openalex.org/I1324118502"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Terry L Hall","raw_affiliation_strings":["T Hall, BS, PT, is Staff Physical Therapist, Moses H Cone Memorial Hospital, 1200 N Elm St, Greensboro, NC 27401"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"T Hall, BS, PT, is Staff Physical Therapist, Moses H Cone Memorial Hospital, 1200 N Elm St, Greensboro, NC 27401","institution_ids":["https://openalex.org/I1324118502"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4035,"currency":"USD","value_usd":4035},"apc_paid":null,"fwci":0.8075,"has_fulltext":false,"cited_by_count":320,"citation_normalized_percentile":{"value":0.7113951,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"69","issue":"11","first_page":"897","last_page":"901"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11018","display_name":"Lower Extremity Biomechanics and Pathologies","score":0.7871000170707703,"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"}},"topics":[{"id":"https://openalex.org/T11018","display_name":"Lower Extremity Biomechanics and Pathologies","score":0.7871000170707703,"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/T10442","display_name":"Knee injuries and reconstruction techniques","score":0.20589999854564667,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10562","display_name":"Total Knee Arthroplasty Outcomes","score":0.001500000013038516,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/q-angle","display_name":"Q-angle","score":0.949999988079071},{"id":"https://openalex.org/keywords/knee-disorders","display_name":"knee disorders","score":0.7559999823570251},{"id":"https://openalex.org/keywords/reference-values","display_name":"reference values","score":0.5640000104904175},{"id":"https://openalex.org/keywords/sex-differences","display_name":"sex differences","score":0.8690000176429749},{"id":"https://openalex.org/keywords/hip-width","display_name":"hip width","score":0.7900000214576721},{"id":"https://openalex.org/keywords/femur-length","display_name":"femur length","score":0.996999979019165},{"id":"https://openalex.org/keywords/knee-anatomy","display_name":"knee anatomy","score":0.5429999828338623},{"id":"https://openalex.org/keywords/goniometry","display_name":"goniometry","score":0.6510000228881836}],"concepts":[{"id":"https://openalex.org/C186738849","wikidata":"https://www.wikidata.org/wiki/Q12408","display_name":"Calipers","level":2,"score":0.8172966241836548},{"id":"https://openalex.org/C2780554211","wikidata":"https://www.wikidata.org/wiki/Q176503","display_name":"Femur","level":2,"score":0.593130886554718},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5649776458740234},{"id":"https://openalex.org/C2987592631","wikidata":"https://www.wikidata.org/wiki/Q2910873","display_name":"Knee flexion","level":2,"score":0.5550628900527954},{"id":"https://openalex.org/C29694066","wikidata":"https://www.wikidata.org/wiki/Q118301","display_name":"Orthodontics","level":1,"score":0.4223124384880066},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.37169837951660156},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2426876723766327},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.15662696957588196},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.14579898118972778}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001696","descriptor_name":"Biomechanical Phenomena","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005269","descriptor_name":"Femur","qualifier_ui":"Q000033","qualifier_name":"anatomy & histology","is_major_topic":false},{"descriptor_ui":"D006615","descriptor_name":"Hip","qualifier_ui":"Q000033","qualifier_name":"anatomy & histology","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007085","descriptor_name":"Ilium","qualifier_ui":"Q000033","qualifier_name":"anatomy & histology","is_major_topic":false},{"descriptor_ui":"D007592","descriptor_name":"Joint Diseases","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D007719","descriptor_name":"Knee Joint","qualifier_ui":"Q000033","qualifier_name":"anatomy & histology","is_major_topic":true},{"descriptor_ui":"D007719","descriptor_name":"Knee Joint","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009132","descriptor_name":"Muscles","qualifier_ui":"Q000033","qualifier_name":"anatomy & histology","is_major_topic":true},{"descriptor_ui":"D009132","descriptor_name":"Muscles","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D010329","descriptor_name":"Patella","qualifier_ui":"Q000033","qualifier_name":"anatomy & histology","is_major_topic":false},{"descriptor_ui":"D012016","descriptor_name":"Reference Values","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012737","descriptor_name":"Sex Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1093/ptj/69.11.897","doi":"https://doi.org/10.1093/ptj/69.11.897","is_oa":false,"landing_page_url":"https://doi.org/10.1093/ptj/69.11.897","pdf_url":null,"source":{"id":"https://openalex.org/S4210185354","display_name":"Physical Therapy","issn_l":"0031-9023","issn":["0031-9023","1538-6724"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-2","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Therapy","raw_type":"journal-article"},{"id":"pmid:2813517","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/2813517","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":"Physical therapy","raw_type":"Comparative Study"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.7246000170707703,"display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1234130419","https://openalex.org/W1902203371","https://openalex.org/W2034536638","https://openalex.org/W2059463748","https://openalex.org/W2080823347","https://openalex.org/W2141403362","https://openalex.org/W2262210722","https://openalex.org/W2309252603","https://openalex.org/W2584208250","https://openalex.org/W4253089542"],"related_works":["https://openalex.org/W2954034649","https://openalex.org/W4403981422","https://openalex.org/W2951404889","https://openalex.org/W4318068217","https://openalex.org/W4388280510","https://openalex.org/W2415486421","https://openalex.org/W789379200","https://openalex.org/W1992646205","https://openalex.org/W3034389617","https://openalex.org/W2770948252"],"abstract_inverted_index":{"The":[0,52,72,85,139,160],"quadriceps":[1],"femoris":[2],"angle":[3,88,117,144],"(\"Q":[4],"angle\")":[5],"has":[6],"been":[7,23],"implicated":[8],"as":[9],"a":[10,105,111],"source":[11],"of":[12,55,66,78,131,156,186],"several":[13],"knee":[14,67],"disorders,":[15,68],"but":[16,173],"values":[17,38],"for":[18,89,97],"normal":[19,37],"knees":[20],"have":[21,167],"not":[22],"adequately":[24],"documented":[25],"in":[26],"the":[27,42,129,146,154,163],"literature.":[28],"This":[29],"study":[30],"was":[31,91,99,158],"designed":[32],"to":[33,176],"provide":[34,177],"clinicians":[35,178],"with":[36,83,179],"and":[39,48,75,96,115,134,145],"information":[40],"regarding":[41],"relationships":[43,140],"between":[44,113,142],"Q":[45,53,87,116,143,169,187],"angle,":[46],"gender,":[47],"selected":[49],"anatomical":[50,147,181],"measurements.":[51],"angles":[54,170],"100":[56],"individuals":[57],"(50":[58],"men,":[59,172],"50":[60],"women),":[61],"who":[62],"had":[63],"no":[64,150],"history":[65],"were":[69,81,137,149],"measured":[70,82],"goniometrically.":[71],"hip":[73,135],"widths":[74],"femur":[76,132],"lengths":[77],"all":[79],"subjects":[80],"calipers.":[84],"mean":[86],"women":[90,166],"15.8":[92],"+/-":[93,101],"4.5":[94],"degrees":[95],"men":[98],"11.2":[100],"3.0":[102],"degrees.":[103],"Using":[104],"point":[106],"biserial":[107],"correlation,":[108],"we":[109],"found":[110],"relationship":[112],"gender":[114,157],"(r":[118],"=":[119],"-.517)":[120],"that":[121,165],"remained":[122],"significant":[123,152],"(p":[124],"less":[125],"than":[126,171],".01)":[127],"when":[128,153],"effects":[130],"length":[133],"width":[136],"controlled.":[138],"identified":[141],"measurements":[148],"longer":[151],"effect":[155],"eliminated.":[159],"results":[161],"substantiate":[162],"belief":[164],"larger":[168],"they":[174],"fail":[175],"an":[180],"explanation":[182],"or":[183],"new":[184],"predictor":[185],"angle.":[188]},"counts_by_year":[{"year":2026,"cited_by_count":8},{"year":2025,"cited_by_count":15},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":13},{"year":2022,"cited_by_count":12},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":16},{"year":2019,"cited_by_count":12},{"year":2018,"cited_by_count":9},{"year":2017,"cited_by_count":11},{"year":2016,"cited_by_count":14},{"year":2015,"cited_by_count":8},{"year":2014,"cited_by_count":20},{"year":2013,"cited_by_count":24},{"year":2012,"cited_by_count":12}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
