{"id":"https://openalex.org/W6991803777","doi":null,"title":"Impact of hydration and climatic conditions on performance metrics in professional football players: an observational study","display_name":"Impact of hydration and climatic conditions on performance metrics in professional football players: an observational study","publication_year":2025,"publication_date":"2025-07-04","ids":{"openalex":"https://openalex.org/W6991803777"},"language":"pt","primary_location":{"id":"pmh:oai:run.unl.pt:10362/185670","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10362/185670","pdf_url":"https://run.unl.pt/bitstream/10362/185670/1/TeseFrancisco_v14.pdf","source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":null,"raw_type":"master thesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://run.unl.pt/bitstream/10362/185670/1/TeseFrancisco_v14.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Silva, Francisco Jo\u00e3o Ferreira da","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Silva, Francisco Jo\u00e3o Ferreira da","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":{"id":"https://openalex.org/T11109","display_name":"Thermoregulation and physiological responses","score":0.9833999872207642,"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"}},"topics":[{"id":"https://openalex.org/T11109","display_name":"Thermoregulation and physiological responses","score":0.9833999872207642,"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":0.015599999576807022,"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/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/hydration-status","display_name":"hydration status","score":0.9440000057220459},{"id":"https://openalex.org/keywords/professional-football-players","display_name":"professional football players","score":0.8949999809265137},{"id":"https://openalex.org/keywords/climate-conditions","display_name":"climatic conditions","score":0.8970000147819519},{"id":"https://openalex.org/keywords/heat-and-humidity","display_name":"heat and humidity","score":0.652999997138977},{"id":"https://openalex.org/keywords/hypohydration","display_name":"hypohydration","score":0.8740000128746033},{"id":"https://openalex.org/keywords/urine-specific-gravity","display_name":"urine specific gravity","score":0.7720000147819519},{"id":"https://openalex.org/keywords/sweat-rate","display_name":"sweat rate","score":0.8410000205039978},{"id":"https://openalex.org/keywords/fluid-intake","display_name":"fluid intake","score":0.9589999914169312},{"id":"https://openalex.org/keywords/heart-rate","display_name":"heart rate","score":0.625},{"id":"https://openalex.org/keywords/rating-of-perceived-exertion","display_name":"rating of perceived exertion","score":0.8450000286102295},{"id":"https://openalex.org/keywords/high-speed-running","display_name":"high-speed running","score":0.9440000057220459},{"id":"https://openalex.org/keywords/total-distance","display_name":"total distance","score":0.7170000076293945},{"id":"https://openalex.org/keywords/gps-tracking","display_name":"GPS tracking","score":0.5849999785423279},{"id":"https://openalex.org/keywords/qatar","display_name":"Qatar","score":0.4350000023841858},{"id":"https://openalex.org/keywords/slovakia","display_name":"Slovakia","score":0.7260000109672546}],"concepts":[{"id":"https://openalex.org/C2781054738","wikidata":"https://www.wikidata.org/wiki/Q4813730","display_name":"Athletes","level":2,"score":0.5687000155448914},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5669000148773193},{"id":"https://openalex.org/C2778444522","wikidata":"https://www.wikidata.org/wiki/Q1081491","display_name":"Football","level":2,"score":0.5374000072479248},{"id":"https://openalex.org/C23131810","wikidata":"https://www.wikidata.org/wiki/Q818574","display_name":"Observational study","level":2,"score":0.5372999906539917},{"id":"https://openalex.org/C2780366628","wikidata":"https://www.wikidata.org/wiki/Q21368803","display_name":"Rowing","level":2,"score":0.40380001068115234},{"id":"https://openalex.org/C3017797855","wikidata":"https://www.wikidata.org/wiki/Q937857","display_name":"Football players","level":3,"score":0.398499995470047},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.392300009727478},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.385699987411499},{"id":"https://openalex.org/C15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","level":1,"score":0.34290000796318054},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.299699991941452},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.2863999903202057},{"id":"https://openalex.org/C2986587452","wikidata":"https://www.wikidata.org/wiki/Q938438","display_name":"Statistical analysis","level":2,"score":0.28619998693466187},{"id":"https://openalex.org/C2776035688","wikidata":"https://www.wikidata.org/wiki/Q1606558","display_name":"Affect (linguistics)","level":2,"score":0.2842000126838684},{"id":"https://openalex.org/C3020255362","wikidata":"https://www.wikidata.org/wiki/Q747883","display_name":"Physical activity","level":2,"score":0.28139999508857727},{"id":"https://openalex.org/C2993400877","wikidata":"https://www.wikidata.org/wiki/Q28083137","display_name":"Football team","level":3,"score":0.2802000045776367},{"id":"https://openalex.org/C72563966","wikidata":"https://www.wikidata.org/wiki/Q1303415","display_name":"Cohort","level":2,"score":0.26899999380111694},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.2623000144958496},{"id":"https://openalex.org/C2780221984","wikidata":"https://www.wikidata.org/wiki/Q131191","display_name":"Body mass index","level":2,"score":0.26080000400543213},{"id":"https://openalex.org/C168031717","wikidata":"https://www.wikidata.org/wiki/Q1530280","display_name":"Balance (ability)","level":2,"score":0.260699987411499},{"id":"https://openalex.org/C61427482","wikidata":"https://www.wikidata.org/wiki/Q6656244","display_name":"Anthropometry","level":2,"score":0.2540000081062317},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.2531000077724457}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:run.unl.pt:10362/185670","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10362/185670","pdf_url":"https://run.unl.pt/bitstream/10362/185670/1/TeseFrancisco_v14.pdf","source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":null,"raw_type":"master thesis"}],"best_oa_location":{"id":"pmh:oai:run.unl.pt:10362/185670","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10362/185670","pdf_url":"https://run.unl.pt/bitstream/10362/185670/1/TeseFrancisco_v14.pdf","source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":null,"raw_type":"master thesis"},"sustainable_development_goals":[{"score":0.504800021648407,"id":"https://metadata.un.org/sdg/3","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":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W6991803777.pdf","grobid_xml":"https://content.openalex.org/works/W6991803777.grobid-xml"},"referenced_works_count":3,"referenced_works":["https://openalex.org/W1541141493","https://openalex.org/W2409138230","https://openalex.org/W2613635638"],"related_works":["https://openalex.org/W3017506920","https://openalex.org/W2924837175","https://openalex.org/W2748254449","https://openalex.org/W2946207272","https://openalex.org/W3207034039","https://openalex.org/W7119404714","https://openalex.org/W7165557046","https://openalex.org/W4416396856","https://openalex.org/W4408885473","https://openalex.org/W2131948486"],"abstract_inverted_index":{"Background:":[0],"Hydration":[1,62],"and":[2,9,24,59,75,86,95,105,127,168,215,221,236],"environmental":[3,33,237],"conditions":[4,217],"significantly":[5,116,141],"impact":[6],"physiological":[7,157],"responses":[8],"performance":[10,25,186,211,241],"in":[11,27,56,118,143,152,155,176,242],"professional":[12,28,44,243],"football.":[13,244],"This":[14,228],"study":[15,40],"investigates":[16],"the":[17,230],"relationship":[18],"between":[19],"hydration":[20,113,179,199,234],"status,":[21],"climatic":[22,177],"conditions,":[23,101,178],"metrics":[26,187],"football":[29,45,210],"players":[30,46],"under":[31],"different":[32,203],"settings.":[34],"Methods:":[35],"A":[36],"prospective":[37],"observational":[38],"cohort":[39],"was":[41,64,140],"conducted":[42],"with":[43,120,159,185],"from":[47],"Al":[48],"Gharafa":[49],"Sports":[50],"Club":[51],"(n=18),":[52],"comparing":[53],"training":[54],"sessions":[55],"Slovakia":[57],"(SVK)":[58],"Qatar":[60],"(QA).":[61],"status":[63,180,200],"assessed":[65],"through":[66],"body":[67],"mass":[68],"variations,":[69],"urine-specific":[70],"gravity":[71],"(USG),":[72],"urine":[73,128],"color,":[74],"sweat":[76],"rate.":[77],"Performance":[78],"metrics,":[79],"including":[80],"total":[81,190],"distance,":[82,191],"high-speed":[83],"running":[84],"(HSR),":[85],"heart":[87,96],"rate":[88,97],"(HR)":[89],"parameters,":[90],"were":[91,108,115],"collected":[92],"using":[93],"GPS":[94],"monitoring":[98],"systems.":[99],"Climatic":[100],"such":[102,188],"as":[103,189],"temperature":[104],"relative":[106],"humidity,":[107],"also":[109],"recorded.":[110],"Results:":[111],"Pre-training":[112],"levels":[114],"lower":[117],"QA,":[119],"higher":[121,142,156],"USG":[122],"(1.022\u00b10.007":[123],"vs.":[124,132,147,164,171],"1.016\u00b10.006,":[125],"p=0.018)":[126],"color":[129],"values":[130],"(4.46\u00b11.90":[131],"3.15\u00b11.77,":[133],"p=0.037),":[134],"indicating":[135],"greater":[136],"hypohydration.":[137],"Fluid":[138],"intake":[139],"QA":[144,153],"(1.104\u00b10.390":[145],"L":[146],"0.725\u00b10.289":[148],"L,":[149],"p=0.005).":[150],"Training":[151],"resulted":[154],"strain,":[158],"increased":[160,218],"HRmax":[161],"(182.93\u00b113.56":[162],"bpm":[163],"177.29\u00b111.85":[165],"bpm,":[166],"p=0.022)":[167],"RPE":[169],"(4.79\u00b10.70":[170],"3.71\u00b11.14,":[172],"p=0.010).":[173],"Despite":[174],"differences":[175],"showed":[181],"no":[182],"significant":[183],"correlation":[184],"HSR,":[192],"or":[193],"acceleration/deceleration":[194],"patterns":[195],"(p>0.05).":[196],"Conclusion:":[197],"Although":[198],"varied":[201],"across":[202],"environments,":[204],"it":[205],"did":[206],"not":[207],"directly":[208],"influence":[209],"metrics.":[212],"However,":[213],"hot":[214],"humid":[216],"cardiovascular":[219],"strain":[220],"perceived":[222],"exertion,":[223],"leading":[224],"to":[225],"pre-training":[226],"dehydration.":[227],"highlights":[229],"importance":[231],"of":[232],"individualized":[233],"strategies":[235],"adaptations":[238],"for":[239],"optimal":[240]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2025-10-10T00:00:00"}
