Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1963555854', 'doi': 'https://doi.org/10.1055/s-2006-924340', 'title': 'Validity of Simple Field Tests as Indicators of Match-Related Physical Performance in Top-Level Professional Soccer Players', 'display_name': 'Validity of Simple Field Tests as Indicators of Match-Related Physical Performance in Top-Level Professional Soccer Players', 'publication_year': 2007, 'publication_date': '2007-03-01', 'ids': {'openalex': 'https://openalex.org/W1963555854', 'doi': 'https://doi.org/10.1055/s-2006-924340', 'mag': '1963555854', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/17024621'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1055/s-2006-924340', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S26699211', 'display_name': 'International Journal of Sports Medicine', 'issn_l': '0172-4622', 'issn': ['0172-4622', '1439-3964'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320000', 'host_organization_name': 'Thieme Medical Publishers (Germany)', 'host_organization_lineage': ['https://openalex.org/P4310320000'], 'host_organization_lineage_names': ['Thieme Medical Publishers (Germany)'], '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': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5034041341', 'display_name': 'Ermanno Rampinini', 'orcid': 'https://orcid.org/0000-0002-9729-0862'}, 'institutions': [], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'E. Rampinini', 'raw_affiliation_strings': ['Human Performance Lab, Castellanza, Varese, Italy'], 'affiliations': [{'raw_affiliation_string': 'Human Performance Lab, Castellanza, Varese, Italy', 'institution_ids': []}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5056757124', 'display_name': 'David J. Bishop', 'orcid': 'https://orcid.org/0000-0002-6956-9188'}, 'institutions': [{'id': 'https://openalex.org/I177877127', 'display_name': 'University of Western Australia', 'ror': 'https://ror.org/047272k79', 'country_code': 'AU', 'type': 'education', 'lineage': ['https://openalex.org/I177877127']}], 'countries': ['AU'], 'is_corresponding': False, 'raw_author_name': 'D. Bishop', 'raw_affiliation_strings': ['Team Sport Research Group. School of Human Movement and Exercise Science, The University of Western Australia, Crawley, Western Australia'], 'affiliations': [{'raw_affiliation_string': 'Team Sport Research Group. School of Human Movement and Exercise Science, The University of Western Australia, Crawley, Western Australia', 'institution_ids': ['https://openalex.org/I177877127']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5029871861', 'display_name': 'Samuele Marcora', 'orcid': 'https://orcid.org/0000-0002-1570-7936'}, 'institutions': [{'id': 'https://openalex.org/I161548249', 'display_name': 'Bangor University', 'ror': 'https://ror.org/006jb1a24', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I161548249']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'S. Marcora', 'raw_affiliation_strings': ['School of Sport, Health, and Exercise Sciences, University of Wales-Bangor, Bangor, Gwynedd, UK'], 'affiliations': [{'raw_affiliation_string': 'School of Sport, Health, and Exercise Sciences, University of Wales-Bangor, Bangor, Gwynedd, UK', 'institution_ids': ['https://openalex.org/I161548249']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5024673756', 'display_name': 'Duccio Ferrari Bravo', 'orcid': 'https://orcid.org/0009-0006-3941-4747'}, 'institutions': [], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'D. Ferrari Bravo', 'raw_affiliation_strings': ['Human Performance Lab, Castellanza, Varese, Italy'], 'affiliations': [{'raw_affiliation_string': 'Human Performance Lab, Castellanza, Varese, Italy', 'institution_ids': []}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5019537926', 'display_name': 'Radhouane Haj Sassi', 'orcid': None}, 'institutions': [], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'R. Sassi', 'raw_affiliation_strings': ['Human Performance Lab, Castellanza, Varese, Italy'], 'affiliations': [{'raw_affiliation_string': 'Human Performance Lab, Castellanza, Varese, Italy', 'institution_ids': []}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5035820310', 'display_name': 'Franco M. Impellizzeri', 'orcid': 'https://orcid.org/0000-0002-1703-2573'}, 'institutions': [], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'F. Impellizzeri', 'raw_affiliation_strings': ['Human Performance Lab, Castellanza, Varese, Italy'], 'affiliations': [{'raw_affiliation_string': 'Human Performance Lab, Castellanza, Varese, Italy', 'institution_ids': []}]}], 'institution_assertions': [], 'countries_distinct_count': 3, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 18.203, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 597, 'citation_normalized_percentile': {'value': 0.999742, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '28', 'issue': '3', 'first_page': '228', 'last_page': '235'}, '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': 0.9987, '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/T10813', 'display_name': 'Sport Psychology and Performance', 'score': 0.9917, 'subfield': {'id': 'https://openalex.org/subfields/3204', 'display_name': 'Developmental and Educational Psychology'}, 'field': {'id': 'https://openalex.org/fields/32', 'display_name': 'Psychology'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/sprint', 'display_name': 'Sprint', 'score': 0.75427234}, {'id': 'https://openalex.org/keywords/vertical-jump', 'display_name': 'Vertical jump', 'score': 0.45304728}], 'concepts': [{'id': 'https://openalex.org/C2776868573', 'wikidata': 'https://www.wikidata.org/wiki/Q46855', 'display_name': 'Sprint', 'level': 2, 'score': 0.75427234}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.67126477}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.50724405}, {'id': 'https://openalex.org/C2777456745', 'wikidata': 'https://www.wikidata.org/wiki/Q1074871', 'display_name': 'Vertical jump', 'level': 3, 'score': 0.45304728}, {'id': 'https://openalex.org/C2780695682', 'wikidata': 'https://www.wikidata.org/wiki/Q4005959', 'display_name': 'Jump', 'level': 2, 'score': 0.2571917}, {'id': 'https://openalex.org/C1862650', 'wikidata': 'https://www.wikidata.org/wiki/Q186005', 'display_name': 'Physical therapy', 'level': 1, 'score': 0.25013962}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.24900296}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.116776705}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D005080', 'descriptor_name': 'Exercise Test', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D012916', 'descriptor_name': 'Soccer', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': True}, {'descriptor_ui': 'D000328', 'descriptor_name': 'Adult', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012420', 'descriptor_name': 'Running', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': False}, {'descriptor_ui': 'D012420', 'descriptor_name': 'Running', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012916', 'descriptor_name': 'Soccer', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014741', 'descriptor_name': 'Video Recording', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1055/s-2006-924340', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S26699211', 'display_name': 'International Journal of Sports Medicine', 'issn_l': '0172-4622', 'issn': ['0172-4622', '1439-3964'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320000', 'host_organization_name': 'Thieme Medical Publishers (Germany)', 'host_organization_lineage': ['https://openalex.org/P4310320000'], 'host_organization_lineage_names': ['Thieme Medical Publishers (Germany)'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/17024621', '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': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 37, 'referenced_works': ['https://openalex.org/W134057725', 'https://openalex.org/W186206337', 'https://openalex.org/W1968369952', 'https://openalex.org/W1969318235', 'https://openalex.org/W1970628178', 'https://openalex.org/W1975740863', 'https://openalex.org/W1994532899', 'https://openalex.org/W1995086071', 'https://openalex.org/W2000820232', 'https://openalex.org/W2006845828', 'https://openalex.org/W2028396931', 'https://openalex.org/W2036771522', 'https://openalex.org/W2038883840', 'https://openalex.org/W2040281761', 'https://openalex.org/W2045284010', 'https://openalex.org/W2049275704', 'https://openalex.org/W2062268700', 'https://openalex.org/W2079510586', 'https://openalex.org/W2083038688', 'https://openalex.org/W2084539791', 'https://openalex.org/W2096194985', 'https://openalex.org/W2102713999', 'https://openalex.org/W2112379532', 'https://openalex.org/W2136792037', 'https://openalex.org/W2142765531', 'https://openalex.org/W2147154554', 'https://openalex.org/W2148165061', 'https://openalex.org/W2151895510', 'https://openalex.org/W2161423875', 'https://openalex.org/W2164863841', 'https://openalex.org/W2165670255', 'https://openalex.org/W2176201515', 'https://openalex.org/W2415014054', 'https://openalex.org/W2626811726', 'https://openalex.org/W3215333208', 'https://openalex.org/W32956823', 'https://openalex.org/W91810222'], 'related_works': ['https://openalex.org/W4311503545', 'https://openalex.org/W3191911638', 'https://openalex.org/W2770713774', 'https://openalex.org/W2563689721', 'https://openalex.org/W2398724654', 'https://openalex.org/W2321903663', 'https://openalex.org/W2229092292', 'https://openalex.org/W2040121174', 'https://openalex.org/W2011849200', 'https://openalex.org/W1768652473'], 'abstract_inverted_index': {'The': [0, 81], 'aim': [1], 'of': [2, 11, 17, 84, 299, 307], 'this': [3, 290], 'study': [4, 291], 'was': [5, 64], 'to': [6, 51, 295], 'examine': [7], 'the': [8, 22, 130, 205, 213, 296], 'construct': [9, 297], 'validity': [10, 298], 'selected': [12, 82], 'field': [13, 49, 132], 'tests': [14, 304], 'as': [15, 210, 305], 'indicators': [16], 'match-related': [18, 308], 'physical': [19, 62, 86, 309], 'performance.': [20], 'During': [21], 'competitive': [23], 'season,': [24], 'eighteen': [25], 'professional': [26, 313], 'soccer': [27, 314], 'players': [28], '(age': [29], '26.2': [30], '±': [31, 36, 42, 224, 230, 235, 240, 247, 251, 265, 270, 277, 281], '4.5': [32], 'yrs,': [33], 'mass': [34], '80.8': [35], '7.8': [37], 'kg,': [38], 'and': [39, 55, 117, 134, 155, 175, 187, 207, 243, 258, 273, 301], 'height': [40], '181.9': [41], '3.7': [43], 'cm)': [44], 'completed': [45], 'an': [46], 'incremental': [47, 131, 302], 'running': [48, 95, 105, 119, 303], 'test': [50, 133], 'exhaustion,': [52], 'a': [53, 56, 70], 'vertical-jump': [54], 'repeated-sprint': [57], 'ability': [58], '(RSA)': [59], 'test.': [60], 'Match': [61], 'performance': [63, 87, 310], 'quantified': [65], 'during': [66, 129], 'official': [67], 'matches': [68], 'using': [69], 'video-computerized,': [71], 'semi-automatic,': [72], 'match': [73, 85], 'analysis': [74], 'image': [75], 'recognition': [76], 'system,': [77], '(ProZone®,': [78], 'Leeds,': [79], 'UK).': [80], 'measures': [83, 306], 'were:': [88], 'total': [89], 'distance': [90, 189], 'covered': [91], '(TD),': [92], 'high': [93, 103], 'intensity': [94, 104], '(HIR:': [96], '>': [97], '14.4': [98], 'km': [99, 108, 114], '·': [100, 109, 115], 'h-1),': [101, 110], 'very': [102], '(VHIR:>': [106], '19.8': [107], 'sprinting': [111, 188, 274], '(>': [112], '25.2': [113], 'h-1)': [116], 'top': [118], 'speed.': [120], 'Significant': [121, 166, 200], 'correlations': [122, 167], 'were': [123, 168, 202], 'found': [124, 170, 203], 'between': [125, 171, 204], 'peak': [126, 218], 'speed': [127, 219], 'reached': [128], 'TD': [135], '(r': [136, 146, 157, 177, 190], '=': [137, 140, 147, 150, 158, 161, 178, 182, 191, 195, 221, 233, 245, 263, 275], '0.58,': [138], 'R2': [139, 149, 160, 181, 194], '0.34;': [141], 'p': [142, 152, 163, 184, 197, 255, 285], '<': [143, 153, 164, 185, 198, 256, 286], '0.05),': [144], 'HIR': [145, 232], '0.65,': [148, 193], '0.42;': [151, 196], '0.01)': [154, 186], 'VHIR': [156, 176, 244], '0.64,': [159], '0.41;': [162], '0.01).': [165, 199], 'also': [169], 'RSA': [172, 259, 300], 'mean': [173, 260], 'time': [174, 261], '-': [179, 192], '0.60,': [180], '0.36;': [183], 'differences': [201], 'best': [206], 'worst': [208], 'group': [209], 'defined': [211], 'by': [212], 'median': [214], 'split': [215], 'technique': [216], 'for': [217], '(TD': [220], '12': [222], '011': [223], '747': [225], 'm': [226, 237, 267], 'vs.': [227, 238, 249, 268, 279], '10': [228], '712': [229], '669,': [231], '3192': [234], '482': [236], '2314': [239], '347': [241], 'm,': [242, 253, 272, 283], '1014': [246], '120': [248], '779': [250], '122': [252], 'respectively;': [254, 284], '0.05)': [257], '(VHIR': [262], '974': [264], '162': [266], '819': [269], '144': [271], '235': [276], '56': [278], '164': [280], '58': [282], '0.05).': [287], 'In': [288], 'conclusion,': [289], 'gives': [292], 'empirical': [293], 'support': [294], 'in': [311], 'top-level': [312], 'players.': [315]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1963555854', 'counts_by_year': [{'year': 2024, 'cited_by_count': 25}, {'year': 2023, 'cited_by_count': 28}, {'year': 2022, 'cited_by_count': 46}, {'year': 2021, 'cited_by_count': 45}, {'year': 2020, 'cited_by_count': 38}, {'year': 2019, 'cited_by_count': 36}, {'year': 2018, 'cited_by_count': 37}, {'year': 2017, 'cited_by_count': 36}, {'year': 2016, 'cited_by_count': 28}, {'year': 2015, 'cited_by_count': 34}, {'year': 2014, 'cited_by_count': 44}, {'year': 2013, 'cited_by_count': 46}, {'year': 2012, 'cited_by_count': 40}], 'updated_date': '2024-12-12T13:35:15.361504', 'created_date': '2016-06-24'}