{"id":"https://openalex.org/W2089456815","doi":"https://doi.org/10.1519/00139143-200604000-00006","title":"Effects of Age and ACL Reconstruction on Quadriceps Gamma Loop Function","display_name":"Effects of Age and ACL Reconstruction on Quadriceps Gamma Loop Function","publication_year":2006,"publication_date":"2006-04-01","ids":{"openalex":"https://openalex.org/W2089456815","doi":"https://doi.org/10.1519/00139143-200604000-00006","mag":"2089456815","pmid":"https://pubmed.ncbi.nlm.nih.gov/16630374"},"language":"en","primary_location":{"id":"doi:10.1519/00139143-200604000-00006","doi":"https://doi.org/10.1519/00139143-200604000-00006","is_oa":false,"landing_page_url":"https://doi.org/10.1519/00139143-200604000-00006","pdf_url":null,"source":{"id":"https://openalex.org/S2490232976","display_name":"Journal of Geriatric Physical Therapy","issn_l":"1539-8412","issn":["1539-8412","2152-0895"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Geriatric Physical Therapy","raw_type":"journal-article"},"volume":null,"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/A5104181862","display_name":"Michael S. A. Richardson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I8692664","display_name":"University of Oklahoma","ror":"https://ror.org/02aqsxs83","country_code":"US","type":"education","lineage":["https://openalex.org/I8692664"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael S. Richardson","raw_affiliation_strings":["Department of Health and Exercise Science, University of Oklahoma, Norman, OK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health and Exercise Science, University of Oklahoma, Norman, OK","institution_ids":["https://openalex.org/I8692664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025919991","display_name":"Joel T. Cramer","orcid":"https://orcid.org/0000-0002-5270-9359","observed_orcids":["https://orcid.org/0000-0002-5270-9359"]},"institutions":[{"id":"https://openalex.org/I8692664","display_name":"University of Oklahoma","ror":"https://ror.org/02aqsxs83","country_code":"US","type":"education","lineage":["https://openalex.org/I8692664"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Joel T. Cramer","raw_affiliation_strings":["Department of Health and Exercise Science, University of Oklahoma, Norman, OK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health and Exercise Science, University of Oklahoma, Norman, OK","institution_ids":["https://openalex.org/I8692664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112214317","display_name":"Debra A. Bemben","orcid":"https://orcid.org/0000-0003-4397-553X","observed_orcids":["https://orcid.org/0000-0003-4397-553X"]},"institutions":[{"id":"https://openalex.org/I8692664","display_name":"University of Oklahoma","ror":"https://ror.org/02aqsxs83","country_code":"US","type":"education","lineage":["https://openalex.org/I8692664"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Debra A. Bemben","raw_affiliation_strings":["Department of Health and Exercise Science, University of Oklahoma, Norman, OK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health and Exercise Science, University of Oklahoma, Norman, OK","institution_ids":["https://openalex.org/I8692664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073768507","display_name":"Randa L. Shehab","orcid":"https://orcid.org/0000-0002-2857-6082","observed_orcids":["https://orcid.org/0000-0002-2857-6082"]},"institutions":[{"id":"https://openalex.org/I8692664","display_name":"University of Oklahoma","ror":"https://ror.org/02aqsxs83","country_code":"US","type":"education","lineage":["https://openalex.org/I8692664"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Randa L. Shehab","raw_affiliation_strings":["School of Industrial Engineering, University of Oklahoma, Norman, OK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Industrial Engineering, University of Oklahoma, Norman, OK","institution_ids":["https://openalex.org/I8692664"]}]},{"author_position":"middle","author":{"id":null,"display_name":"John Glover","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I24624658","display_name":"Touro University California","ror":"https://ror.org/0556gk990","country_code":"US","type":"education","lineage":["https://openalex.org/I24624658"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John Glover","raw_affiliation_strings":["Department of Osteopathic Manipulative Medicine, Touro University \u2013 California, Vallejo, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Osteopathic Manipulative Medicine, Touro University \u2013 California, Vallejo, CA","institution_ids":["https://openalex.org/I24624658"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103062648","display_name":"Michael G. Bemben","orcid":"https://orcid.org/0000-0002-6542-3528","observed_orcids":["https://orcid.org/0000-0002-6542-3528"]},"institutions":[{"id":"https://openalex.org/I8692664","display_name":"University of Oklahoma","ror":"https://ror.org/02aqsxs83","country_code":"US","type":"education","lineage":["https://openalex.org/I8692664"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Michael G. Bemben","raw_affiliation_strings":["Department of Health and Exercise Science, University of Oklahoma, Norman, OK","Michael G. Bemben, University of Oklahoma, Department of Health and Exercise Science, Neuromuscular Research Laboratory, 1401 Asp Avenue, Norman, OK 73019, Ph:405\u2013325\u20132717, Fax: 405\u2013325\u20130594 ([email\u00a0protected])"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health and Exercise Science, University of Oklahoma, Norman, OK","institution_ids":["https://openalex.org/I8692664"]},{"raw_affiliation_string":"Michael G. Bemben, University of Oklahoma, Department of Health and Exercise Science, Neuromuscular Research Laboratory, 1401 Asp Avenue, Norman, OK 73019, Ph:405\u2013325\u20132717, Fax: 405\u2013325\u20130594 ([email\u00a0protected])","institution_ids":["https://openalex.org/I8692664"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5103062648","https://openalex.org/A5112214317"],"corresponding_institution_ids":["https://openalex.org/I8692664"],"apc_list":null,"apc_paid":null,"fwci":1.0869,"has_fulltext":false,"cited_by_count":49,"citation_normalized_percentile":{"value":0.74812674,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"29","issue":"1","first_page":"26","last_page":"32"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10784","display_name":"Muscle activation and electromyography studies","score":0.7226999998092651,"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/T10784","display_name":"Muscle activation and electromyography studies","score":0.7226999998092651,"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/T12269","display_name":"Effects of Vibration on Health","score":0.13830000162124634,"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"}},{"id":"https://openalex.org/T10442","display_name":"Knee injuries and reconstruction techniques","score":0.08780000358819962,"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/anterior-cruciate-ligament-reconstruction","display_name":"anterior cruciate ligament reconstruction","score":0.8980000019073486},{"id":"https://openalex.org/keywords/aging","display_name":"aging","score":0.968999981880188},{"id":"https://openalex.org/keywords/gamma-loop","display_name":"gamma loop","score":0.8159999847412109},{"id":"https://openalex.org/keywords/quadriceps","display_name":"quadriceps","score":0.6290000081062317},{"id":"https://openalex.org/keywords/muscle-spindles","display_name":"muscle spindles","score":0.7419999837875366},{"id":"https://openalex.org/keywords/mechanoreceptors","display_name":"mechanoreceptors","score":0.7639999985694885},{"id":"https://openalex.org/keywords/vibration-stimulation","display_name":"vibration stimulation","score":0.8149999976158142},{"id":"https://openalex.org/keywords/maximal-isometric-strength","display_name":"maximal isometric strength","score":0.8169999718666077},{"id":"https://openalex.org/keywords/electromyography","display_name":"electromyography","score":0.8619999885559082},{"id":"https://openalex.org/keywords/muscle-strength-deficits","display_name":"muscle strength deficits","score":0.7020000219345093},{"id":"https://openalex.org/keywords/vastus-medialis","display_name":"vastus medialis","score":0.7049999833106995},{"id":"https://openalex.org/keywords/vastus-lateralis","display_name":"vastus lateralis","score":0.902999997138977},{"id":"https://openalex.org/keywords/rectus-femoris","display_name":"rectus femoris","score":0.9909999966621399}],"concepts":[{"id":"https://openalex.org/C103486182","wikidata":"https://www.wikidata.org/wiki/Q1216236","display_name":"Isometric exercise","level":2,"score":0.8891844749450684},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7576884031295776},{"id":"https://openalex.org/C2780993623","wikidata":"https://www.wikidata.org/wiki/Q1590935","display_name":"Vastus medialis","level":3,"score":0.7466309070587158},{"id":"https://openalex.org/C2778434673","wikidata":"https://www.wikidata.org/wiki/Q611127","display_name":"Anterior cruciate ligament","level":2,"score":0.7206586599349976},{"id":"https://openalex.org/C2777515770","wikidata":"https://www.wikidata.org/wiki/Q507369","display_name":"Electromyography","level":2,"score":0.6616238355636597},{"id":"https://openalex.org/C2991944018","wikidata":"https://www.wikidata.org/wiki/Q1172095","display_name":"Patellar tendon","level":3,"score":0.49936580657958984},{"id":"https://openalex.org/C24998067","wikidata":"https://www.wikidata.org/wiki/Q4114622","display_name":"Stimulation","level":2,"score":0.4823976755142212},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.4510296583175659},{"id":"https://openalex.org/C2780887989","wikidata":"https://www.wikidata.org/wiki/Q4771338","display_name":"Anterior cruciate ligament reconstruction","level":3,"score":0.43238332867622375},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.3870435357093811},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.24219250679016113},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.14303883910179138}],"mesh":[{"descriptor_ui":"D000293","descriptor_name":"Adolescent","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000367","descriptor_name":"Age Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","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":"D004576","descriptor_name":"Electromyography","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":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007537","descriptor_name":"Isometric Contraction","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013848","descriptor_name":"Thigh","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014732","descriptor_name":"Vibration","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016118","descriptor_name":"Anterior Cruciate Ligament","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":true},{"descriptor_ui":"D018482","descriptor_name":"Muscle, Skeletal","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1519/00139143-200604000-00006","doi":"https://doi.org/10.1519/00139143-200604000-00006","is_oa":false,"landing_page_url":"https://doi.org/10.1519/00139143-200604000-00006","pdf_url":null,"source":{"id":"https://openalex.org/S2490232976","display_name":"Journal of Geriatric Physical Therapy","issn_l":"1539-8412","issn":["1539-8412","2152-0895"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Geriatric Physical Therapy","raw_type":"journal-article"},{"id":"pmid:16630374","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/16630374","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":"Journal of geriatric physical therapy (2001)","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.98580002784729}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1870980090","https://openalex.org/W1977261423","https://openalex.org/W1979182017","https://openalex.org/W1993965408","https://openalex.org/W2003338316","https://openalex.org/W2006496722","https://openalex.org/W2010204683","https://openalex.org/W2011563760","https://openalex.org/W2047901439","https://openalex.org/W2079793451","https://openalex.org/W2083313866","https://openalex.org/W2096794835","https://openalex.org/W2099502649","https://openalex.org/W2112493932","https://openalex.org/W2119150168","https://openalex.org/W2123006599","https://openalex.org/W2124989472","https://openalex.org/W2141208527","https://openalex.org/W2168624058","https://openalex.org/W2179843113","https://openalex.org/W2339146670"],"related_works":["https://openalex.org/W1982657463","https://openalex.org/W2123006599","https://openalex.org/W2140398590","https://openalex.org/W2331685437","https://openalex.org/W2604874381","https://openalex.org/W2032794490","https://openalex.org/W2088425969","https://openalex.org/W2079431621","https://openalex.org/W1964049766","https://openalex.org/W2329118405"],"abstract_inverted_index":{"BACKGROUND":[0],"AND":[1],"PURPOSE:":[2],"Both":[3],"aging":[4],"and":[5,47,96,108,120,129,153,171,206,220],"anterior":[6],"cruciate":[7],"ligament":[8],"(ACL)":[9],"reconstruction":[10,54,110],"are":[11],"associated":[12],"with":[13],"strength":[14,35,40,50,118],"deficits,":[15],"which":[16,189],"can":[17,82],"in":[18,39,43,98,177,199,216],"turn":[19],"influence":[20],"performance":[21],"of":[22,24,61,90,106,123,133,137,235],"activities":[23],"daily":[25],"living.":[26],"Thus":[27],"it":[28],"is":[29,70],"informative":[30],"to":[31,93,185,226],"understand":[32],"mechanisms":[33],"underlying":[34],"deficits.":[36],"Age-related":[37],"declines":[38],"follow":[41],"reductions":[42],"muscle":[44,95,229],"fiber":[45],"numbers":[46],"size,":[48],"whereas":[49],"deficits":[51],"following":[52,182],"ACL":[53,109,147,207,221],"may":[55],"be":[56],"caused":[57],"by":[58,87],"the":[59,71,76,84,104,124,134,178,186,203,218,233],"loss":[60,234],"intraligamentous":[62],"mechanoreceptors.":[63,236],"A":[64],"common":[65],"link":[66],"between":[67],"these":[68,200],"conditions":[69],"gamma":[72,77,85,112,193],"spindle":[73,230],"system,":[74],"or":[75,232],"loop.":[78,194],"Appropriately":[79],"applied":[80],"vibration":[81,131,183],"affect":[83],"loop":[86,113,212],"causing":[88],"disruption":[89],"afferent":[91],"feedback":[92],"a":[94],"result":[97],"decreased":[99,228],"force":[100],"capabilities.":[101],"We":[102],"investigated":[103],"effect":[105],"age":[107],"on":[111],"function.":[114],"METHODS:":[115],"Maximal":[116],"isometric":[117],"(MVC)":[119],"electromyography":[121],"(EMG)":[122],"quadriceps":[125,163],"were":[126,196],"quantified":[127],"before":[128],"after":[130],"stimulation":[132,184],"infrapatellar":[135,187],"tendon":[136],"3":[138],"groups:":[139],"young":[140,146,179],"healthy":[141,155,180,205],"(n=4;":[142,156],"mean":[143,150,157],"age=23.8":[144],"yrs),":[145,152],"reconstructed":[148,208,222],"(n=7;":[149],"age=22.4":[151],"older":[154,219],"age=66.1":[158],"yrs)":[159],"individuals.":[160],"RESULTS:":[161],"The":[162],"MVC,":[164],"vastus":[165,168],"lateralis":[166],"EMG,":[167,170],"medialis":[169],"rectus":[172],"femoris":[173],"EMG":[174],"declined":[175],"significantly":[176],"group":[181],"tendon,":[188],"indicated":[190],"an":[191],"intact":[192],"There":[195],"no":[197],"changes":[198],"variables":[201],"for":[202],"old":[204],"groups.":[209],"CONCLUSION:":[210],"Gamma":[211],"function":[213],"was":[214],"impaired":[215],"both":[217],"groups":[223],"possibly":[224],"due":[225],"either":[227],"sensitivity":[231]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":9},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}