{"id":"https://openalex.org/W2800533352","doi":"https://doi.org/10.5432/jjpehss.17122","title":"Effect of introducing plyometric training for track-and-field athletes in season: a randomized controlled trial","display_name":"Effect of introducing plyometric training for track-and-field athletes in season: a randomized controlled trial","publication_year":2018,"publication_date":"2018-05-06","ids":{"openalex":"https://openalex.org/W2800533352","doi":"https://doi.org/10.5432/jjpehss.17122","mag":"2800533352"},"language":"en","primary_location":{"id":"doi:10.5432/jjpehss.17122","doi":"https://doi.org/10.5432/jjpehss.17122","is_oa":true,"landing_page_url":"https://doi.org/10.5432/jjpehss.17122","pdf_url":"https://www.jstage.jst.go.jp/article/jjpehss/63/1/63_17122/_pdf","source":{"id":"https://openalex.org/S2764987464","display_name":"Taiikugaku kenkyu (Japan Journal of Physical Education Health and Sport Sciences)","issn_l":"0484-6710","issn":["0484-6710","1881-7718"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4323293569","host_organization_name":"Japan Society of Physical Education, Health and Sport Sciences","host_organization_lineage":["https://openalex.org/P4323293569"],"host_organization_lineage_names":["Japan Society of Physical Education, Health and Sport Sciences"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Taiikugaku kenkyu (Japan Journal of Physical Education, Health and Sport Sciences)","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/jjpehss/63/1/63_17122/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5073066693","display_name":"Yosuke Kobayashi","orcid":"https://orcid.org/0000-0003-3959-4347","observed_orcids":["https://orcid.org/0000-0003-3959-4347","https://orcid.org/0009-0009-3986-9700"]},"institutions":[{"id":"https://openalex.org/I48126063","display_name":"Tenri University","ror":"https://ror.org/00d440w27","country_code":"JP","type":"education","lineage":["https://openalex.org/I48126063"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yosuke Kobayashi","raw_affiliation_strings":["Graduate School of Physical Education, Tenri University",". Graduate School of Physical Education, Tenri University 1050, Somanouchi, Tenri, Nara 632-8510"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Physical Education, Tenri University","institution_ids":["https://openalex.org/I48126063"]},{"raw_affiliation_string":". Graduate School of Physical Education, Tenri University 1050, Somanouchi, Tenri, Nara 632-8510","institution_ids":["https://openalex.org/I48126063"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113913669","display_name":"Kazufumi Terada","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I48126063","display_name":"Tenri University","ror":"https://ror.org/00d440w27","country_code":"JP","type":"education","lineage":["https://openalex.org/I48126063"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Kazufumi Terada","raw_affiliation_strings":["Faculty of Health, Budo and Sport Studies, Tenri University","Graduate School of Physical Education, Tenri University",". Faculty of Health, Budo and Sport Studies, Tenri University 80, Tainosho, Tenri, Nara 632-0071",". Graduate School of Physical Education, Tenri University 1050, Somanouchi, Tenri, Nara 632-8510"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Health, Budo and Sport Studies, Tenri University","institution_ids":["https://openalex.org/I48126063"]},{"raw_affiliation_string":"Graduate School of Physical Education, Tenri University","institution_ids":["https://openalex.org/I48126063"]},{"raw_affiliation_string":". Faculty of Health, Budo and Sport Studies, Tenri University 80, Tainosho, Tenri, Nara 632-0071","institution_ids":["https://openalex.org/I48126063"]},{"raw_affiliation_string":". Graduate School of Physical Education, Tenri University 1050, Somanouchi, Tenri, Nara 632-8510","institution_ids":["https://openalex.org/I48126063"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101730821","display_name":"Daisuke Yamamoto","orcid":"https://orcid.org/0000-0002-2628-7172","observed_orcids":["https://orcid.org/0000-0002-2628-7172"]},"institutions":[{"id":"https://openalex.org/I48126063","display_name":"Tenri University","ror":"https://ror.org/00d440w27","country_code":"JP","type":"education","lineage":["https://openalex.org/I48126063"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Daisuke Yamamoto","raw_affiliation_strings":["Faculty of Health, Budo and Sport Studies, Tenri University","Graduate School of Physical Education, Tenri University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Health, Budo and Sport Studies, Tenri University","institution_ids":["https://openalex.org/I48126063"]},{"raw_affiliation_string":"Graduate School of Physical Education, Tenri University","institution_ids":["https://openalex.org/I48126063"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5113913669"],"corresponding_institution_ids":["https://openalex.org/I48126063"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"63","issue":"1","first_page":"327","last_page":"340"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10157","display_name":"Sports Performance and Training","score":0.9980000257492065,"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"}},"topics":[{"id":"https://openalex.org/T10157","display_name":"Sports Performance and Training","score":0.9980000257492065,"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/T13189","display_name":"Physical Education and Training Studies","score":0.0010999999940395355,"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/T11246","display_name":"Sports injuries and prevention","score":0.00019999999494757503,"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/plyometric-training","display_name":"plyometric training","score":1.0},{"id":"https://openalex.org/keywords/track-and-field-athletes","display_name":"track and field athletes","score":0.8880000114440918},{"id":"https://openalex.org/keywords/in-season-training","display_name":"in-season training","score":0.8759999871253967},{"id":"https://openalex.org/keywords/jumping-ability","display_name":"jumping ability","score":0.550000011920929},{"id":"https://openalex.org/keywords/sprint-ability","display_name":"sprint ability","score":0.8410000205039978},{"id":"https://openalex.org/keywords/drop-jump","display_name":"drop jump","score":0.6629999876022339},{"id":"https://openalex.org/keywords/stretch-shortening-cycle","display_name":"stretch-shortening cycle","score":0.8059999942779541},{"id":"https://openalex.org/keywords/muscle-volume","display_name":"muscle volume","score":0.6309999823570251},{"id":"https://openalex.org/keywords/sports-conditioning","display_name":"athletic conditioning","score":0.49799999594688416},{"id":"https://openalex.org/keywords/combined-events","display_name":"combined events","score":0.5770000219345093}],"concepts":[{"id":"https://openalex.org/C2779897013","wikidata":"https://www.wikidata.org/wiki/Q1151752","display_name":"Jumping","level":2,"score":0.820346474647522},{"id":"https://openalex.org/C201662476","wikidata":"https://www.wikidata.org/wiki/Q3312129","display_name":"Track and field athletics","level":3,"score":0.8109086155891418},{"id":"https://openalex.org/C2781054738","wikidata":"https://www.wikidata.org/wiki/Q4813730","display_name":"Athletes","level":2,"score":0.7518492937088013},{"id":"https://openalex.org/C31897792","wikidata":"https://www.wikidata.org/wiki/Q1425021","display_name":"Plyometrics","level":3,"score":0.7132863402366638},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.6781735420227051},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4665301442146301},{"id":"https://openalex.org/C2991658862","wikidata":"https://www.wikidata.org/wiki/Q1455","display_name":"Field hockey","level":3,"score":0.46204233169555664},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.4387579560279846},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.36050134897232056},{"id":"https://openalex.org/C2780695682","wikidata":"https://www.wikidata.org/wiki/Q4005959","display_name":"Jump","level":2,"score":0.349930077791214},{"id":"https://openalex.org/C112698675","wikidata":"https://www.wikidata.org/wiki/Q37038","display_name":"Advertising","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C201280247","wikidata":"https://www.wikidata.org/wiki/Q11032","display_name":"Newspaper","level":2,"score":0.0},{"id":"https://openalex.org/C42407357","wikidata":"https://www.wikidata.org/wiki/Q521","display_name":"Physiology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.5432/jjpehss.17122","doi":"https://doi.org/10.5432/jjpehss.17122","is_oa":true,"landing_page_url":"https://doi.org/10.5432/jjpehss.17122","pdf_url":"https://www.jstage.jst.go.jp/article/jjpehss/63/1/63_17122/_pdf","source":{"id":"https://openalex.org/S2764987464","display_name":"Taiikugaku kenkyu (Japan Journal of Physical Education Health and Sport Sciences)","issn_l":"0484-6710","issn":["0484-6710","1881-7718"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4323293569","host_organization_name":"Japan Society of Physical Education, Health and Sport Sciences","host_organization_lineage":["https://openalex.org/P4323293569"],"host_organization_lineage_names":["Japan Society of Physical Education, Health and Sport Sciences"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Taiikugaku kenkyu (Japan Journal of Physical Education, Health and Sport Sciences)","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.5432/jjpehss.17122","doi":"https://doi.org/10.5432/jjpehss.17122","is_oa":true,"landing_page_url":"https://doi.org/10.5432/jjpehss.17122","pdf_url":"https://www.jstage.jst.go.jp/article/jjpehss/63/1/63_17122/_pdf","source":{"id":"https://openalex.org/S2764987464","display_name":"Taiikugaku kenkyu (Japan Journal of Physical Education Health and Sport Sciences)","issn_l":"0484-6710","issn":["0484-6710","1881-7718"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4323293569","host_organization_name":"Japan Society of Physical Education, Health and Sport Sciences","host_organization_lineage":["https://openalex.org/P4323293569"],"host_organization_lineage_names":["Japan Society of Physical Education, Health and Sport Sciences"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Taiikugaku kenkyu (Japan Journal of Physical Education, Health and Sport Sciences)","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.6240000128746033,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/randomized-controlled-trial","display_name":"Randomized Controlled Trial"},{"id":"https://openalex.org/study-designs/clinical-trial","display_name":"Clinical Trial"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2800533352.pdf","grobid_xml":"https://content.openalex.org/works/W2800533352.grobid-xml"},"referenced_works_count":11,"referenced_works":["https://openalex.org/W1965337194","https://openalex.org/W1966392331","https://openalex.org/W1986146587","https://openalex.org/W2004912568","https://openalex.org/W2005583143","https://openalex.org/W2012653677","https://openalex.org/W2082634225","https://openalex.org/W2101463588","https://openalex.org/W2116178493","https://openalex.org/W2124356397","https://openalex.org/W2159288079"],"related_works":["https://openalex.org/W2048270447","https://openalex.org/W6911796015","https://openalex.org/W7220792731","https://openalex.org/W7204790407","https://openalex.org/W7146434100","https://openalex.org/W4412593552","https://openalex.org/W4404229183","https://openalex.org/W7125120391","https://openalex.org/W2536328574","https://openalex.org/W2892625225"],"abstract_inverted_index":{"We":[0,118],"conduct":[1],"a":[2,155,251],"randomized":[3],"controlled":[4],"trial":[5],"to":[6,15,92,157,163,202],"clarify":[7],"the":[8,39,87,93,100,106,109,116,122,125,132,143,146,167,176,185,189,216,223,226,233],"effect":[9],"of":[10,63,115,145,209,225],"introducing":[11],"plyometric":[12],"training":[13,59,71,252],"(PLY)":[14],"track-and-field":[16,255],"athletes":[17,37,88,101,256],"in":[18,47,102,108,121,159,175,230,242,257],"season":[19],"for":[20,178,254],"conditioning":[21,180],"and":[22,28,43,50,84,112,131,134,206],"various":[23,179],"performances":[24],"such":[25,212],"as":[26,166,213,250],"jumping":[27,210],"sprinting":[29],"ability.":[30],"The":[31],"study":[32,193],"subjects":[33],"were":[34,89,97,182],"14":[35],"male":[36],"from":[38],"T":[40,161],"University":[41],"track":[42],"field":[44],"team":[45],"specialized":[46],"sprinting,":[48],"jumping,":[49],"combined":[51],"events.":[52],"Among":[53],"these":[54,152],"athletes,":[55],"7":[56,68],"underwent":[57,69],"ordinary":[58,70],"plus":[60],"8":[61],"weeks":[62],"PLY":[64,198],"(group":[65,73],"T),":[66],"while":[67],"only":[72],"C).":[74],"After":[75],"taking":[76],"into":[77],"consideration":[78],"their":[79],"physique,":[80],"competitive":[81],"event":[82],"specialization,":[83],"competition":[85],"record,":[86],"randomly":[90],"assigned":[91],"2":[94,186],"groups.":[95],"Measurements":[96],"performed":[98],"on":[99],"both":[103],"groups":[104,187],"before":[105],"intervention,":[107],"fourth":[110],"week,":[111],"upon":[113],"completion":[114],"intervention.":[117],"found":[119],"that,":[120],"intervention":[123,147,168,190,199,234],"group,":[124],"rebound":[126],"drop":[127],"jump":[128],"index":[129],"value,":[130],"right":[133],"left":[135],"lateral":[136],"vastus":[137],"muscle":[138,204],"thickness":[139],"exhibited":[140],"interaction":[141],"with":[142],"length":[144],"period.":[148,191],"In":[149],"other":[150],"words,":[151],"values":[153,177],"showed":[154],"tendency":[156],"increase":[158],"group":[160,164],"relative":[162],"C":[165],"period":[169],"proceeded.":[170],"However,":[171],"no":[172],"significant":[173],"differences":[174],"indicators":[181],"observed":[183],"between":[184],"during":[188],"Our":[192],"results":[194],"indicate":[195],"that":[196,245],"this":[197,231],"is":[200],"able":[201],"enhance":[203],"volume":[205],"certain":[207],"aspects":[208],"ability,":[211],"those":[214],"using":[215],"stretch":[217],"shortening":[218],"cycle":[219],"movement.":[220],"Moreover,":[221],"within":[222],"range":[224],"load":[227],"intensity":[228],"used":[229],"study,":[232],"was":[235],"implemented":[236],"safely":[237],"without":[238],"causing":[239],"any":[240],"decrease":[241],"conditioning,":[243],"indicating":[244],"it":[246],"could":[247],"be":[248],"useful":[249],"method":[253],"season.":[258]},"counts_by_year":[],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2018-05-17T00:00:00"}