{"id":"https://openalex.org/W4400446737","doi":"https://doi.org/10.3390/s24144436","title":"Accelerometer Thresholds for Estimating Physical Activity Intensity Levels in Infants: A Preliminary Study","display_name":"Accelerometer Thresholds for Estimating Physical Activity Intensity Levels in Infants: A Preliminary Study","publication_year":2024,"publication_date":"2024-07-09","ids":{"openalex":"https://openalex.org/W4400446737","doi":"https://doi.org/10.3390/s24144436","pmid":"https://pubmed.ncbi.nlm.nih.gov/39065833"},"language":"en","primary_location":{"id":"doi:10.3390/s24144436","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24144436","pdf_url":"https://www.mdpi.com/1424-8220/24/14/4436/pdf?version=1720529257","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/24/14/4436/pdf?version=1720529257","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5073076330","display_name":"Mustafa A. Ghazi","orcid":"https://orcid.org/0009-0004-6415-4671"},"institutions":[{"id":"https://openalex.org/I1336910626","display_name":"Children's Hospital of Los Angeles","ror":"https://ror.org/00412ts95","country_code":"US","type":"funder","lineage":["https://openalex.org/I1336910626"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mustafa A. Ghazi","raw_affiliation_strings":["Division of Developmental-Behavioral Pediatrics, Children\u2019s Hospital Los Angeles, Los Angeles, CA 90027, USA","Division of Developmental-Behavioral Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA 90027, USA"],"raw_orcid":"https://orcid.org/0009-0004-6415-4671","affiliations":[{"raw_affiliation_string":"Division of Developmental-Behavioral Pediatrics, Children\u2019s Hospital Los Angeles, Los Angeles, CA 90027, USA","institution_ids":["https://openalex.org/I1336910626"]},{"raw_affiliation_string":"Division of Developmental-Behavioral Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA 90027, USA","institution_ids":["https://openalex.org/I1336910626"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109463589","display_name":"Judy Zhou","orcid":null},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Judy Zhou","raw_affiliation_strings":["Division of Biokinesiology and Physical Therapy, Ostrow School of Dentistry, University of Southern California, Los Angeles, CA 90089, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Biokinesiology and Physical Therapy, Ostrow School of Dentistry, University of Southern California, Los Angeles, CA 90089, USA","institution_ids":["https://openalex.org/I1174212"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044967176","display_name":"Kathryn L. Havens","orcid":"https://orcid.org/0000-0002-9865-9879"},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kathryn L. Havens","raw_affiliation_strings":["Division of Biokinesiology and Physical Therapy, Ostrow School of Dentistry, University of Southern California, Los Angeles, CA 90089, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Biokinesiology and Physical Therapy, Ostrow School of Dentistry, University of Southern California, Los Angeles, CA 90089, USA","institution_ids":["https://openalex.org/I1174212"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082441999","display_name":"Beth A. Smith","orcid":"https://orcid.org/0000-0003-2531-5394"},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]},{"id":"https://openalex.org/I1336910626","display_name":"Children's Hospital of Los Angeles","ror":"https://ror.org/00412ts95","country_code":"US","type":"funder","lineage":["https://openalex.org/I1336910626"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Beth A. Smith","raw_affiliation_strings":["Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA","Developmental Neuroscience and Neurogenetics Program, The Saban Research Institute, Children\u2019s Hospital Los Angeles, Los Angeles, CA 90027, USA","Division of Developmental-Behavioral Pediatrics, Children\u2019s Hospital Los Angeles, Los Angeles, CA 90027, USA","Division of Developmental-Behavioral Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA 90027, USA","Developmental Neuroscience and Neurogenetics Program, The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA 90027, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA","institution_ids":["https://openalex.org/I1174212"]},{"raw_affiliation_string":"Developmental Neuroscience and Neurogenetics Program, The Saban Research Institute, Children\u2019s Hospital Los Angeles, Los Angeles, CA 90027, USA","institution_ids":["https://openalex.org/I1336910626"]},{"raw_affiliation_string":"Division of Developmental-Behavioral Pediatrics, Children\u2019s Hospital Los Angeles, Los Angeles, CA 90027, USA","institution_ids":["https://openalex.org/I1336910626"]},{"raw_affiliation_string":"Division of Developmental-Behavioral Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA 90027, USA","institution_ids":["https://openalex.org/I1336910626"]},{"raw_affiliation_string":"Developmental Neuroscience and Neurogenetics Program, The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA 90027, USA","institution_ids":["https://openalex.org/I1336910626"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5082441999"],"corresponding_institution_ids":["https://openalex.org/I1174212","https://openalex.org/I1336910626"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":4.0507,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.93183317,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"24","issue":"14","first_page":"4436","last_page":"4436"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11060","display_name":"Infant Development and Preterm Care","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T11060","display_name":"Infant Development and Preterm Care","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T12241","display_name":"Children's Physical and Motor Development","score":0.992900013923645,"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"}},{"id":"https://openalex.org/T13393","display_name":"Child Nutrition and Feeding Issues","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"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/accelerometer","display_name":"Accelerometer","score":0.9455170631408691},{"id":"https://openalex.org/keywords/supine-position","display_name":"Supine position","score":0.6200061440467834},{"id":"https://openalex.org/keywords/jerk","display_name":"Jerk","score":0.6137751936912537},{"id":"https://openalex.org/keywords/sitting","display_name":"Sitting","score":0.5606870651245117},{"id":"https://openalex.org/keywords/acceleration","display_name":"Acceleration","score":0.5387377142906189},{"id":"https://openalex.org/keywords/ambulatory","display_name":"Ambulatory","score":0.5386642217636108},{"id":"https://openalex.org/keywords/light-intensity","display_name":"Light intensity","score":0.5151001811027527},{"id":"https://openalex.org/keywords/ankle","display_name":"Ankle","score":0.47268277406692505},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.4581936299800873},{"id":"https://openalex.org/keywords/physical-medicine-and-rehabilitation","display_name":"Physical medicine and rehabilitation","score":0.4532237946987152},{"id":"https://openalex.org/keywords/intensity","display_name":"Intensity (physics)","score":0.4420356750488281},{"id":"https://openalex.org/keywords/pedometer","display_name":"Pedometer","score":0.4401938319206238},{"id":"https://openalex.org/keywords/physical-activity","display_name":"Physical activity","score":0.3917299509048462},{"id":"https://openalex.org/keywords/physical-therapy","display_name":"Physical therapy","score":0.3789743185043335},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.30088359117507935},{"id":"https://openalex.org/keywords/surgery","display_name":"Surgery","score":0.0992690920829773},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07871079444885254}],"concepts":[{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.9455170631408691},{"id":"https://openalex.org/C125567185","wikidata":"https://www.wikidata.org/wiki/Q3267428","display_name":"Supine position","level":2,"score":0.6200061440467834},{"id":"https://openalex.org/C181605269","wikidata":"https://www.wikidata.org/wiki/Q497332","display_name":"Jerk","level":3,"score":0.6137751936912537},{"id":"https://openalex.org/C2776370487","wikidata":"https://www.wikidata.org/wiki/Q1144593","display_name":"Sitting","level":2,"score":0.5606870651245117},{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.5387377142906189},{"id":"https://openalex.org/C35785553","wikidata":"https://www.wikidata.org/wiki/Q756720","display_name":"Ambulatory","level":2,"score":0.5386642217636108},{"id":"https://openalex.org/C3020368824","wikidata":"https://www.wikidata.org/wiki/Q6546192","display_name":"Light intensity","level":2,"score":0.5151001811027527},{"id":"https://openalex.org/C2778640784","wikidata":"https://www.wikidata.org/wiki/Q168002","display_name":"Ankle","level":2,"score":0.47268277406692505},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4581936299800873},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.4532237946987152},{"id":"https://openalex.org/C93038891","wikidata":"https://www.wikidata.org/wiki/Q1061524","display_name":"Intensity (physics)","level":2,"score":0.4420356750488281},{"id":"https://openalex.org/C2779070388","wikidata":"https://www.wikidata.org/wiki/Q648434","display_name":"Pedometer","level":3,"score":0.4401938319206238},{"id":"https://openalex.org/C3020255362","wikidata":"https://www.wikidata.org/wiki/Q747883","display_name":"Physical activity","level":2,"score":0.3917299509048462},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.3789743185043335},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.30088359117507935},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.0992690920829773},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07871079444885254},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000076251","descriptor_name":"Wearable Electronic Devices","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000076251","descriptor_name":"Wearable Electronic Devices","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000076251","descriptor_name":"Wearable Electronic Devices","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000076251","descriptor_name":"Wearable Electronic Devices","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007223","descriptor_name":"Infant","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007223","descriptor_name":"Infant","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007223","descriptor_name":"Infant","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007223","descriptor_name":"Infant","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015444","descriptor_name":"Exercise","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D015444","descriptor_name":"Exercise","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D015444","descriptor_name":"Exercise","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D015444","descriptor_name":"Exercise","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":true},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":true},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":true},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":true},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D061725","descriptor_name":"Accelerometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true}],"locations_count":4,"locations":[{"id":"doi:10.3390/s24144436","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24144436","pdf_url":"https://www.mdpi.com/1424-8220/24/14/4436/pdf?version=1720529257","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:39065833","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/39065833","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"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":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:pubmedcentral.nih.gov:11280506","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/11280506","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC11280506/pdf/sensors-24-04436.pdf","source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"},{"id":"pmh:oai:doaj.org/article:5655fd314da44152a6510074b1435eff","is_oa":true,"landing_page_url":"https://doaj.org/article/5655fd314da44152a6510074b1435eff","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 24, Iss 14, p 4436 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/s24144436","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24144436","pdf_url":"https://www.mdpi.com/1424-8220/24/14/4436/pdf?version=1720529257","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4400446737.pdf"},"referenced_works_count":45,"referenced_works":["https://openalex.org/W1977572297","https://openalex.org/W1982247749","https://openalex.org/W1994140949","https://openalex.org/W2003108041","https://openalex.org/W2025845186","https://openalex.org/W2044026928","https://openalex.org/W2061657897","https://openalex.org/W2065704621","https://openalex.org/W2067201767","https://openalex.org/W2071620316","https://openalex.org/W2085380511","https://openalex.org/W2096237663","https://openalex.org/W2103667475","https://openalex.org/W2110247425","https://openalex.org/W2118032724","https://openalex.org/W2121083094","https://openalex.org/W2141170928","https://openalex.org/W2142057972","https://openalex.org/W2177146212","https://openalex.org/W2324723463","https://openalex.org/W2584016859","https://openalex.org/W2601453851","https://openalex.org/W2621707983","https://openalex.org/W2774193550","https://openalex.org/W2886047255","https://openalex.org/W2886569837","https://openalex.org/W2910269052","https://openalex.org/W2915639535","https://openalex.org/W2948499890","https://openalex.org/W2954873358","https://openalex.org/W3000375186","https://openalex.org/W3011134524","https://openalex.org/W3087153792","https://openalex.org/W3099729056","https://openalex.org/W3127196064","https://openalex.org/W3156754401","https://openalex.org/W3178363156","https://openalex.org/W3184851881","https://openalex.org/W3198996260","https://openalex.org/W4281382057","https://openalex.org/W4285393688","https://openalex.org/W4295084894","https://openalex.org/W4378627796","https://openalex.org/W4379599918","https://openalex.org/W4390465912"],"related_works":["https://openalex.org/W2004824493","https://openalex.org/W2313960535","https://openalex.org/W2139132731","https://openalex.org/W1013818882","https://openalex.org/W1983586636","https://openalex.org/W2414402596","https://openalex.org/W1974786509","https://openalex.org/W2374333696","https://openalex.org/W3022461233","https://openalex.org/W2040771946"],"abstract_inverted_index":{"Lack":[0],"of":[1,136,162],"physical":[2],"activity":[3,36,107,170],"(PA)":[4],"at":[5],"a":[6,80,153],"young":[7],"age":[8],"can":[9],"result":[10],"in":[11,28,44,70,79,114],"health":[12],"issues.":[13],"Thus,":[14],"monitoring":[15],"PA":[16,27,67],"is":[17],"important.":[18],"Wearable":[19],"accelerometers":[20,96],"are":[21,32,183],"the":[22],"preferred":[23],"tool":[24],"to":[25,34,62,165,174],"monitor":[26],"children.":[29,46],"Validated":[30],"thresholds":[31,53,65,123,137,161],"used":[33],"classify":[35],"intensity":[37,68,108],"levels,":[38],"e.g.,":[39],"sedentary,":[40],"light,":[41,111],"and":[42,83,95,112,128,144,168,171,177,181],"moderate-to-vigorous,":[43],"ambulatory":[45],"No":[47],"previous":[48],"work":[49,60],"has":[50],"developed":[51,125,139],"accelerometer":[52,64],"for":[54,66,126,140,145,152,186],"infancy":[55],"(pre-ambulatory":[56],"children).":[57],"Therefore,":[58],"this":[59],"aims":[61],"develop":[63],"levels":[69],"pre-ambulatory":[71],"infants.":[72],"Infants":[73],"(n":[74],"=":[75],"10)":[76],"were":[77,89,104,124,138],"placed":[78],"supine":[81],"position":[82],"allowed":[84],"free":[85],"movement.":[86],"Their":[87],"movements":[88],"synchronously":[90],"captured":[91],"using":[92,117,130,159],"video":[93,102],"cameras":[94],"worn":[97],"on":[98],"each":[99],"ankle.":[100],"The":[101],"data":[103],"labeled":[105],"by":[106],"level":[109],"(sedentary,":[110],"moderate-to-vigorous)":[113],"two-second":[115],"epochs":[116],"observational":[118],"rating":[119],"(gold":[120],"standard).":[121],"Accelerometer":[122],"acceleration":[127],"jerk":[129,182],"two":[131],"optimization":[132],"approaches.":[133],"Four":[134],"sets":[135],"dual":[141],"(two":[142],"ankles)":[143],"single-worn":[146],"(one":[147],"ankle)":[148],"accelerometers.":[149],"Of":[150],"these,":[151],"typical":[154],"use":[155],"case,":[156],"we":[157],"recommend":[158],"acceleration-based":[160],"1.00":[163],"m/s":[164,173],"distinguish":[166,175],"sedentary":[167],"light":[169,176],"2.60":[172],"moderate-to-vigorous":[178],"activity.":[179],"Acceleration":[180],"both":[184],"suitable":[185],"measuring":[187],"PA.":[188]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1}],"updated_date":"2026-06-05T09:01:59.212387","created_date":"2025-10-10T00:00:00"}