Publication Information

{'id': 'https://openalex.org/W3204073109', 'doi': 'https://doi.org/10.23736/s0022-4707.21.12929-9', 'title': 'Machines and free weight exercises: a systematic review and meta-analysis comparing changes in muscle size, strength, and power', 'display_name': 'Machines and free weight exercises: a systematic review and meta-analysis comparing changes in muscle size, strength, and power', 'publication_year': 2021, 'publication_date': '2021-10-05', 'ids': {'openalex': 'https://openalex.org/W3204073109', 'doi': 'https://doi.org/10.23736/s0022-4707.21.12929-9', 'mag': '3204073109', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/34609100'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.23736/s0022-4707.21.12929-9', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S22368165', 'display_name': 'The Journal of Sports Medicine and Physical Fitness', 'issn_l': '0022-4707', 'issn': ['0022-4707', '1827-1928'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4320800528', 'host_organization_name': 'Edizioni Minerva Medica', 'host_organization_lineage': ['https://openalex.org/P4320800528'], 'host_organization_lineage_names': ['Edizioni Minerva Medica'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'review', '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/A5052282973', 'display_name': 'Kyle A. HEIDEL', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I44265643', 'display_name': 'Rowan University', 'ror': 'https://ror.org/049v69k10', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I44265643']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Kyle A. HEIDEL', 'raw_affiliation_strings': ['Department of Health and Exercise Science, Exercise Physiology Laboratory, Rowan University, Glassboro, NJ, USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Health and Exercise Science, Exercise Physiology Laboratory, Rowan University, Glassboro, NJ, USA', 'institution_ids': ['https://openalex.org/I44265643']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5019483545', 'display_name': 'Zachary J. NOVAK', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I44265643', 'display_name': 'Rowan University', 'ror': 'https://ror.org/049v69k10', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I44265643']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Zachary J. NOVAK', 'raw_affiliation_strings': ['Department of Health and Exercise Science, Exercise Physiology Laboratory, Rowan University, Glassboro, NJ, USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Health and Exercise Science, Exercise Physiology Laboratory, Rowan University, Glassboro, NJ, USA', 'institution_ids': ['https://openalex.org/I44265643']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5083851149', 'display_name': 'Scott J. Dankel', 'orcid': 'https://orcid.org/0000-0003-0372-9932'}, 'institutions': [{'id': 'https://openalex.org/I44265643', 'display_name': 'Rowan University', 'ror': 'https://ror.org/049v69k10', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I44265643']}], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'Scott J. DANKEL', 'raw_affiliation_strings': ['Department of Health and Exercise Science, Exercise Physiology Laboratory, Rowan University, Glassboro, NJ, USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Health and Exercise Science, Exercise Physiology Laboratory, Rowan University, Glassboro, NJ, USA', 'institution_ids': ['https://openalex.org/I44265643']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5083851149'], 'corresponding_institution_ids': ['https://openalex.org/I44265643'], 'apc_list': None, 'apc_paid': None, 'fwci': 1.009, 'has_fulltext': False, 'cited_by_count': 16, 'citation_normalized_percentile': {'value': 0.296022, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 91, 'max': 92}, 'biblio': {'volume': '62', 'issue': '8', 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10157', 'display_name': 'Sports Performance and Training', 'score': 0.9989, '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': 0.9989, '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': 0.997, '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': 0.9947, '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/strength-training', 'display_name': 'Strength Training', 'score': 0.798596}], 'concepts': [{'id': 'https://openalex.org/C123550912', 'wikidata': 'https://www.wikidata.org/wiki/Q12834857', 'display_name': 'Strength training', 'level': 2, 'score': 0.798596}, {'id': 'https://openalex.org/C2988918651', 'wikidata': 'https://www.wikidata.org/wiki/Q1048687', 'display_name': 'Muscle strength', 'level': 2, 'score': 0.6787087}, {'id': 'https://openalex.org/C95190672', 'wikidata': 'https://www.wikidata.org/wiki/Q815382', 'display_name': 'Meta-analysis', 'level': 2, 'score': 0.46045426}, {'id': 'https://openalex.org/C153396756', 'wikidata': 'https://www.wikidata.org/wiki/Q1785966', 'display_name': 'Physical strength', 'level': 2, 'score': 0.45148048}, {'id': 'https://openalex.org/C163258240', 'wikidata': 'https://www.wikidata.org/wiki/Q25342', 'display_name': 'Power (physics)', 'level': 2, 'score': 0.4400721}, {'id': 'https://openalex.org/C167414201', 'wikidata': 'https://www.wikidata.org/wiki/Q1955391', 'display_name': 'Muscle hypertrophy', 'level': 2, 'score': 0.4354544}, {'id': 'https://openalex.org/C83867959', 'wikidata': 'https://www.wikidata.org/wiki/Q371467', 'display_name': 'Scopus', 'level': 3, 'score': 0.42295754}, {'id': 'https://openalex.org/C1862650', 'wikidata': 'https://www.wikidata.org/wiki/Q186005', 'display_name': 'Physical therapy', 'level': 1, 'score': 0.42065492}, {'id': 'https://openalex.org/C2992343062', 'wikidata': 'https://www.wikidata.org/wiki/Q1048687', 'display_name': 'Muscle mass', 'level': 2, 'score': 0.41417024}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.40883997}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.3918104}, {'id': 'https://openalex.org/C99508421', 'wikidata': 'https://www.wikidata.org/wiki/Q2678675', 'display_name': 'Physical medicine and rehabilitation', 'level': 1, 'score': 0.3703319}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.34686553}, {'id': 'https://openalex.org/C119857082', 'wikidata': 'https://www.wikidata.org/wiki/Q2539', 'display_name': 'Machine learning', 'level': 1, 'score': 0.33093685}, {'id': 'https://openalex.org/C2779473830', 'wikidata': 'https://www.wikidata.org/wiki/Q1540899', 'display_name': 'MEDLINE', 'level': 2, 'score': 0.24639025}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.14038122}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.11529735}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.09688187}, {'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/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D055070', 'descriptor_name': 'Resistance Training', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D015444', 'descriptor_name': 'Exercise', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015444', 'descriptor_name': 'Exercise', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': False}, {'descriptor_ui': 'D005081', 'descriptor_name': 'Exercise Therapy', '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': 'D053580', 'descriptor_name': 'Muscle Strength', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D053580', 'descriptor_name': 'Muscle Strength', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': False}, {'descriptor_ui': 'D018482', 'descriptor_name': 'Muscle, Skeletal', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': False}, {'descriptor_ui': 'D018482', 'descriptor_name': 'Muscle, Skeletal', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D055070', 'descriptor_name': 'Resistance Training', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.23736/s0022-4707.21.12929-9', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S22368165', 'display_name': 'The Journal of Sports Medicine and Physical Fitness', 'issn_l': '0022-4707', 'issn': ['0022-4707', '1827-1928'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4320800528', 'host_organization_name': 'Edizioni Minerva Medica', 'host_organization_lineage': ['https://openalex.org/P4320800528'], 'host_organization_lineage_names': ['Edizioni Minerva Medica'], '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/34609100', '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': 48, 'referenced_works': ['https://openalex.org/W1185380007', 'https://openalex.org/W1240635074', 'https://openalex.org/W1595797484', 'https://openalex.org/W1971825361', 'https://openalex.org/W1988144901', 'https://openalex.org/W1990909985', 'https://openalex.org/W2019627189', 'https://openalex.org/W2032302322', 'https://openalex.org/W2037609309', 'https://openalex.org/W2047845399', 'https://openalex.org/W2050470505', 'https://openalex.org/W2051268639', 'https://openalex.org/W2064823396', 'https://openalex.org/W2066622661', 'https://openalex.org/W2066715796', 'https://openalex.org/W2074734332', 'https://openalex.org/W2087657684', 'https://openalex.org/W2144792720', 'https://openalex.org/W2148734808', 'https://openalex.org/W2151514208', 'https://openalex.org/W2162912847', 'https://openalex.org/W2254732597', 'https://openalex.org/W2351799718', 'https://openalex.org/W2410818048', 'https://openalex.org/W2469894781', 'https://openalex.org/W2518576509', 'https://openalex.org/W2524183166', 'https://openalex.org/W2532414435', 'https://openalex.org/W2536037986', 'https://openalex.org/W2537299632', 'https://openalex.org/W2743815534', 'https://openalex.org/W2786503954', 'https://openalex.org/W2789487172', 'https://openalex.org/W2789932989', 'https://openalex.org/W2898551291', 'https://openalex.org/W2898570659', 'https://openalex.org/W2911726444', 'https://openalex.org/W2935406469', 'https://openalex.org/W2936594350', 'https://openalex.org/W2946651999', 'https://openalex.org/W2971285662', 'https://openalex.org/W2976309343', 'https://openalex.org/W3022108872', 'https://openalex.org/W3023028895', 'https://openalex.org/W3110082071', 'https://openalex.org/W4235637542', 'https://openalex.org/W4245656329', 'https://openalex.org/W4251458056'], 'related_works': ['https://openalex.org/W632524088', 'https://openalex.org/W3098646257', 'https://openalex.org/W2954928270', 'https://openalex.org/W2898306639', 'https://openalex.org/W2626260620', 'https://openalex.org/W2529960440', 'https://openalex.org/W2182799640', 'https://openalex.org/W2153595787', 'https://openalex.org/W2136719324', 'https://openalex.org/W1582545003'], 'abstract_inverted_index': {'The': [0], 'aim': [1], 'of': [2, 22, 27, 96, 179], 'this': [3], 'study': [4], 'was': [5, 55, 62, 88, 121], 'to': [6, 57, 170, 194, 201, 214], 'compare': [7], 'changes': [8], 'in': [9, 132, 146, 149], 'muscle': [10, 158, 199], 'size,': [11], 'strength,': [12], 'and': [13, 17, 25, 128, 173, 181, 185, 190, 198, 210], 'power': [14, 150, 174, 186], 'between': [15, 166], 'free-weight': [16, 66, 129], 'machine-based': [18, 91, 98], 'exercises.The': [19], 'online': [20], 'databases': [21], 'Pubmed,': [23], 'Scopus,': [24], 'Web': [26], 'Science': [28], 'were': [29, 143], 'each': [30], 'searched': [31], 'using': [32, 64, 123], 'the': [33, 97, 147, 177], 'following': [34], 'terms:': [35], '"free': [36], 'weights"': [37], 'OR': [38, 40], 'barbells': [39], 'dumbbells': [41], 'AND': [42], 'machines"': [43], 'up': [44], 'until': [45], 'September': [46], '15,': [47], '2020.': [48], 'A': [49], 'three-level': [50], 'random': [51], 'effects': [52], 'meta-analytic': [53], 'model': [54], 'used': [56], 'compute': [58], 'effect': [59], 'sizes.When': [60], 'strength': [61, 74, 87, 107, 120, 134, 172, 184, 197], 'tested': [63, 89, 122, 189], 'a': [65, 90, 124], 'exercise,': [67, 180], 'individuals': [68, 101], 'training': [69, 77, 99, 102, 110], 'with': [70, 78, 103, 111], 'free-weights': [71, 112], 'gained': [72, 105], 'more': [73, 106, 212], 'than': [75, 108], 'those': [76, 109], 'machines': [79, 104, 127], '(ES:': [80, 113, 136, 151, 160], '0.655;': [81], '[95%': [82, 115, 138, 153, 162], 'CI:': [83, 116, 139, 154, 163], '0.269,': [84], '1.041]).': [85], 'When': [86, 119], 'exercise': [92, 167], 'incorporated': [93], 'as': [94], 'part': [95], 'program,': [100], '-0.784': [114], '-1.223,': [117], '-0.344]).': [118], 'neutral': [125], 'device,': [126], 'exercises': [130], 'resulted': [131], 'similar': [133], 'gains': [135], '0.128': [137], '-0303,': [140], '0.559]).': [141], 'There': [142], 'no': [144], 'differences': [145], 'change': [148], '-0.049': [152], '-0.557,': [155], '0.460])': [156], 'or': [157], 'hypertrophy': [159], '-0.01': [161], '-0.525,': [164], '0.545])': [165], 'modes.Individuals': [168], 'looking': [169, 193], 'increase': [171, 195], 'should': [175], 'consider': [176], 'specificity': [178], 'how': [182], 'their': [183], 'will': [187], 'be': [188], 'applied.': [191], 'Individuals': [192], 'general': [196], 'mass': [200], 'maintain': [202], 'health': [203], 'may': [204], 'choose': [205], 'whichever': [206], 'activity': [207], 'they': [208], 'prefer': [209], 'are': [211], 'likely': [213], 'adhere': [215], 'to.': [216]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3204073109', 'counts_by_year': [{'year': 2024, 'cited_by_count': 3}, {'year': 2023, 'cited_by_count': 13}], 'updated_date': '2025-01-04T21:33:36.832755', 'created_date': '2021-10-11'}