Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2802532202', 'doi': 'https://doi.org/10.1123/ijspp.2017-0843', 'title': 'Dose–Response Relationship Between Training Load and Changes in Aerobic Fitness in Professional Youth Soccer Players', 'display_name': 'Dose–Response Relationship Between Training Load and Changes in Aerobic Fitness in Professional Youth Soccer Players', 'publication_year': 2018, 'publication_date': '2018-05-10', 'ids': {'openalex': 'https://openalex.org/W2802532202', 'doi': 'https://doi.org/10.1123/ijspp.2017-0843', 'mag': '2802532202', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/29745785'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1123/ijspp.2017-0843', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2502187214', 'display_name': 'International Journal of Sports Physiology and Performance', 'issn_l': '1555-0265', 'issn': ['1555-0265', '1555-0273'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310322142', 'host_organization_name': 'Human Kinetics', 'host_organization_lineage': ['https://openalex.org/P4310322142'], 'host_organization_lineage_names': ['Human Kinetics'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'green', 'oa_url': 'http://nrl.northumbria.ac.uk/id/eprint/34469/1/Fitzpatrick%20et%20al%20-%20Dose-Response%20Relationship%20between%20Training%20Load%20and%20Changes%20in%20Aerobic%20Fitness%20in%20Professional%20Youth%20Soccer%20Players%20AAM.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5111406538', 'display_name': 'John F. Fitzpatrick', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I32394136', 'display_name': 'Northumbria University', 'ror': 'https://ror.org/049e6bc10', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I32394136']}, {'id': 'https://openalex.org/I4210163907', 'display_name': 'Manchester City Football Club', 'ror': 'https://ror.org/05fyave37', 'country_code': 'GB', 'type': 'other', 'lineage': ['https://openalex.org/I4210163907']}], 'countries': ['GB'], 'is_corresponding': True, 'raw_author_name': 'John F. Fitzpatrick', 'raw_affiliation_strings': ['Department Sport, Exercise and Rehabilitation, Northumbria University, Newcastle-upon-Tyne, UK.', 'Sports Science and Medical Department, Newcastle United Football Club, Newcastle-upon-Tyne, UK.'], 'affiliations': [{'raw_affiliation_string': 'Department Sport, Exercise and Rehabilitation, Northumbria University, Newcastle-upon-Tyne, UK.', 'institution_ids': ['https://openalex.org/I32394136']}, {'raw_affiliation_string': 'Sports Science and Medical Department, Newcastle United Football Club, Newcastle-upon-Tyne, UK.', 'institution_ids': ['https://openalex.org/I4210163907']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5049987092', 'display_name': 'Kirsty M. Hicks', 'orcid': 'https://orcid.org/0000-0002-5057-9191'}, 'institutions': [{'id': 'https://openalex.org/I32394136', 'display_name': 'Northumbria University', 'ror': 'https://ror.org/049e6bc10', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I32394136']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'Kirsty M. Hicks', 'raw_affiliation_strings': ['Department Sport, Exercise and Rehabilitation, Northumbria University, Newcastle-upon-Tyne, UK.'], 'affiliations': [{'raw_affiliation_string': 'Department Sport, Exercise and Rehabilitation, Northumbria University, Newcastle-upon-Tyne, UK.', 'institution_ids': ['https://openalex.org/I32394136']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5047308040', 'display_name': 'Philip R. Hayes', 'orcid': 'https://orcid.org/0000-0002-4197-2848'}, 'institutions': [{'id': 'https://openalex.org/I32394136', 'display_name': 'Northumbria University', 'ror': 'https://ror.org/049e6bc10', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I32394136']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'Philip R. Hayes', 'raw_affiliation_strings': ['Department Sport, Exercise and Rehabilitation, Northumbria University, Newcastle-upon-Tyne, UK.'], 'affiliations': [{'raw_affiliation_string': 'Department Sport, Exercise and Rehabilitation, Northumbria University, Newcastle-upon-Tyne, UK.', 'institution_ids': ['https://openalex.org/I32394136']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': ['https://openalex.org/A5111406538'], 'corresponding_institution_ids': ['https://openalex.org/I32394136', 'https://openalex.org/I4210163907'], 'apc_list': None, 'apc_paid': None, 'fwci': 9.436, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 75, 'citation_normalized_percentile': {'value': 0.999854, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 97, 'max': 98}, 'biblio': {'volume': '13', 'issue': '10', 'first_page': '1365', 'last_page': '1370'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10157', 'display_name': 'Sports Performance and Training', 'score': 0.9999, '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': 0.9999, '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': 0.9943, '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/T11209', 'display_name': 'Cardiovascular and exercise physiology', 'score': 0.9923, 'subfield': {'id': 'https://openalex.org/subfields/2707', 'display_name': 'Complementary and alternative 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/perceived-exertion', 'display_name': 'Perceived exertion', 'score': 0.59373784}, {'id': 'https://openalex.org/keywords/aerobic-exercise', 'display_name': 'Aerobic Exercise', 'score': 0.571406}], 'concepts': [{'id': 'https://openalex.org/C2780928941', 'wikidata': 'https://www.wikidata.org/wiki/Q2372945', 'display_name': 'Rating of perceived exertion', 'level': 4, 'score': 0.75974}, {'id': 'https://openalex.org/C5140985', 'wikidata': 'https://www.wikidata.org/wiki/Q483866', 'display_name': 'Anaerobic exercise', 'level': 2, 'score': 0.7102471}, {'id': 'https://openalex.org/C2993527604', 'wikidata': 'https://www.wikidata.org/wiki/Q2372945', 'display_name': 'Perceived exertion', 'level': 4, 'score': 0.59373784}, {'id': 'https://openalex.org/C103038586', 'wikidata': 'https://www.wikidata.org/wiki/Q1152037', 'display_name': 'Aerobic exercise', 'level': 2, 'score': 0.571406}, {'id': 'https://openalex.org/C2777953023', 'wikidata': 'https://www.wikidata.org/wiki/Q1073121', 'display_name': 'Heart rate', 'level': 3, 'score': 0.47964865}, {'id': 'https://openalex.org/C1862650', 'wikidata': 'https://www.wikidata.org/wiki/Q186005', 'display_name': 'Physical therapy', 'level': 1, 'score': 0.45548195}, {'id': 'https://openalex.org/C2777211547', 'wikidata': 'https://www.wikidata.org/wiki/Q17141490', 'display_name': 'Training (meteorology)', 'level': 2, 'score': 0.44130123}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.43510744}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.41694295}, {'id': 'https://openalex.org/C48921125', 'wikidata': 'https://www.wikidata.org/wiki/Q10861030', 'display_name': 'Linear regression', 'level': 2, 'score': 0.41123995}, {'id': 'https://openalex.org/C44154836', 'wikidata': 'https://www.wikidata.org/wiki/Q45045', 'display_name': 'Simulation', 'level': 1, 'score': 0.40311357}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.3781906}, {'id': 'https://openalex.org/C140793950', 'wikidata': 'https://www.wikidata.org/wiki/Q168091', 'display_name': 'Animal science', 'level': 1, 'score': 0.35925087}, {'id': 'https://openalex.org/C99508421', 'wikidata': 'https://www.wikidata.org/wiki/Q2678675', 'display_name': 'Physical medicine and rehabilitation', 'level': 1, 'score': 0.35000515}, {'id': 'https://openalex.org/C15744967', 'wikidata': 'https://www.wikidata.org/wiki/Q9418', 'display_name': 'Psychology', 'level': 0, 'score': 0.34141976}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.23664936}, {'id': 'https://openalex.org/C84393581', 'wikidata': 'https://www.wikidata.org/wiki/Q82642', 'display_name': 'Blood pressure', 'level': 2, 'score': 0.11779246}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.09161365}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.08062962}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C153294291', 'wikidata': 'https://www.wikidata.org/wiki/Q25261', 'display_name': 'Meteorology', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 3, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1123/ijspp.2017-0843', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2502187214', 'display_name': 'International Journal of Sports Physiology and Performance', 'issn_l': '1555-0265', 'issn': ['1555-0265', '1555-0273'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310322142', 'host_organization_name': 'Human Kinetics', 'host_organization_lineage': ['https://openalex.org/P4310322142'], 'host_organization_lineage_names': ['Human Kinetics'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'http://nrl.northumbria.ac.uk/id/eprint/34469/1/Fitzpatrick%20et%20al%20-%20Dose-Response%20Relationship%20between%20Training%20Load%20and%20Changes%20in%20Aerobic%20Fitness%20in%20Professional%20Youth%20Soccer%20Players%20AAM.pdf', 'pdf_url': 'http://nrl.northumbria.ac.uk/id/eprint/34469/1/Fitzpatrick%20et%20al%20-%20Dose-Response%20Relationship%20between%20Training%20Load%20and%20Changes%20in%20Aerobic%20Fitness%20in%20Professional%20Youth%20Soccer%20Players%20AAM.pdf', 'source': {'id': 'https://openalex.org/S4306401885', 'display_name': 'Northumbria Research Link (Northumbria University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I32394136', 'host_organization_name': 'Northumbria University', 'host_organization_lineage': ['https://openalex.org/I32394136'], 'host_organization_lineage_names': ['Northumbria University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'acceptedVersion', 'is_accepted': True, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/29745785', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'http://nrl.northumbria.ac.uk/id/eprint/34469/1/Fitzpatrick%20et%20al%20-%20Dose-Response%20Relationship%20between%20Training%20Load%20and%20Changes%20in%20Aerobic%20Fitness%20in%20Professional%20Youth%20Soccer%20Players%20AAM.pdf', 'pdf_url': 'http://nrl.northumbria.ac.uk/id/eprint/34469/1/Fitzpatrick%20et%20al%20-%20Dose-Response%20Relationship%20between%20Training%20Load%20and%20Changes%20in%20Aerobic%20Fitness%20in%20Professional%20Youth%20Soccer%20Players%20AAM.pdf', 'source': {'id': 'https://openalex.org/S4306401885', 'display_name': 'Northumbria Research Link (Northumbria University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I32394136', 'host_organization_name': 'Northumbria University', 'host_organization_lineage': ['https://openalex.org/I32394136'], 'host_organization_lineage_names': ['Northumbria University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'acceptedVersion', 'is_accepted': True, 'is_published': False}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 33, 'referenced_works': ['https://openalex.org/W1906946570', 'https://openalex.org/W1963787884', 'https://openalex.org/W1964955194', 'https://openalex.org/W1980721081', 'https://openalex.org/W1987923327', 'https://openalex.org/W1990352845', 'https://openalex.org/W2005579641', 'https://openalex.org/W2020794622', 'https://openalex.org/W2024319509', 'https://openalex.org/W2033273531', 'https://openalex.org/W2035335084', 'https://openalex.org/W2042995794', 'https://openalex.org/W2061691324', 'https://openalex.org/W2068200487', 'https://openalex.org/W2077355702', 'https://openalex.org/W2080562426', 'https://openalex.org/W2105387400', 'https://openalex.org/W2112379532', 'https://openalex.org/W2115356148', 'https://openalex.org/W2116187706', 'https://openalex.org/W2132109316', 'https://openalex.org/W2137161571', 'https://openalex.org/W2145765887', 'https://openalex.org/W2155449895', 'https://openalex.org/W2164863841', 'https://openalex.org/W2262849853', 'https://openalex.org/W2312624017', 'https://openalex.org/W2410672248', 'https://openalex.org/W2465230276', 'https://openalex.org/W2519329615', 'https://openalex.org/W2524762463', 'https://openalex.org/W2766033950', 'https://openalex.org/W32956823'], 'related_works': ['https://openalex.org/W4214945042', 'https://openalex.org/W3210863073', 'https://openalex.org/W3137246329', 'https://openalex.org/W3114420751', 'https://openalex.org/W3091903385', 'https://openalex.org/W2796225271', 'https://openalex.org/W2565543676', 'https://openalex.org/W2471655736', 'https://openalex.org/W2325756313', 'https://openalex.org/W1984977713'], 'abstract_inverted_index': {'To': [0], 'compare': [1], 'the': [2, 43, 47, 164, 244], 'dose-response': [3, 165, 245], 'relationship': [4, 166, 246], 'between': [5, 167, 181, 247], 'traditional': [6, 238], 'arbitrary': [7, 239], 'speed': [8, 39, 133, 240], 'thresholds': [9, 241], 'versus': [10], 'an': [11], 'individualized': [12, 219], 'approach,': [13], 'with': [14], 'changes': [15, 173, 186, 251], 'in': [16, 19, 174, 187, 225, 252], 'aerobic': [17, 38, 175, 188, 253], 'fitness': [18, 189], 'professional': [20], 'youth': [21, 27], 'soccer': [22, 28], 'players.A': [23], 'total': [24, 68, 72], 'of': [25, 49, 154], '14': [26], 'players': [29], 'completed': [30], 'a': [31, 50, 58, 232], '1500-m': [32], 'time': [33, 87, 119], 'trial': [34], 'to': [35, 162, 221], 'estimate': [36], 'maximal': [37], '(MAS,': [40], 'km·h-1)': [41], 'at': [42, 46, 89, 121], 'start': [44], 'and': [45, 71, 74, 86, 100, 118, 130, 152, 172, 185, 204, 250], 'end': [48], '6-week': [51], 'period.': [52], 'Training': [53], 'load': [54, 65, 144, 171, 249], 'was': [55, 160], 'monitored': [56], 'on': [57], 'daily': [59], 'basis': [60], 'during': [61], 'this': [62], 'study.': [63], 'External': [64], 'measures': [66, 82, 114, 145], 'were': [67, 83, 115, 146, 179, 195, 213], 'distance': [69, 76], 'covered': [70, 85, 117], 'acceleration': [73], 'deceleration': [75], '>2': [77], 'm·s-2.': [78], 'Arbitrary': [79], 'high-speed': [80, 94, 98, 112], 'running': [81, 113], 'meters': [84, 116], 'spent': [88, 120], '>17': [90], 'km·h-1': [91, 102, 123], '(m': [92, 103, 124, 135], '>': [93, 97, 104, 108, 125, 128, 136, 139, 183, 199, 206, 228], 'distance,': [95, 106], 't': [96, 107, 127, 138, 182, 198, 227], 'distance)': [99], '21': [101], 'very-high-speed': [105, 109], 'distance).': [110], 'Individualized': [111], '>MAS': [122], 'MAS,': [126, 229], 'MAS)': [129], '30%': [131], 'anaerobic': [132], 'reserve': [134], '30ASR,': [137], '30ASR).': [140], 'In': [141], 'addition,': [142], 'internal': [143], 'also': [147], 'collected:': [148], 'heart': [149], 'rate': [150], 'exertion': [151], 'rating': [153], 'perceived': [155], 'exertion.': [156], 'Linear': [157], 'regression': [158], 'analysis': [159], 'used': [161], 'establish': [163], 'mean': [168], 'weekly': [169], 'training': [170, 223, 248], 'fitness.Very': [176], 'large': [177], 'associations': [178, 194, 212], 'found': [180, 196, 214], 'MAS': [184, 207], '(R2': [190, 201, 208], '=': [191, 202, 209], '.59).': [192], 'Large': [193], 'for': [197, 215], '30ASR': [200], '.38)': [203], 'm': [205], '.25).': [210], 'Unclear': [211], 'all': [216], 'other': [217], 'variables.An': [218], 'approach': [220], 'monitoring': [222, 243], 'load,': [224], 'particular': [226], 'may': [230], 'be': [231], 'more': [233], 'appropriate': [234], 'method': [235], 'than': [236], 'using': [237], 'when': [242], 'fitness.': [254]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2802532202', 'counts_by_year': [{'year': 2024, 'cited_by_count': 9}, {'year': 2023, 'cited_by_count': 11}, {'year': 2022, 'cited_by_count': 12}, {'year': 2021, 'cited_by_count': 17}, {'year': 2020, 'cited_by_count': 12}, {'year': 2019, 'cited_by_count': 13}, {'year': 2018, 'cited_by_count': 1}], 'updated_date': '2024-12-17T11:30:36.589532', 'created_date': '2018-05-17'}