{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T20:35:29Z","timestamp":1785530129606,"version":"3.56.0"},"reference-count":64,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2024,6,28]],"date-time":"2024-06-28T00:00:00Z","timestamp":1719532800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["anatomypubs.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Anatomical Record"],"published-print":{"date-parts":[[2024,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Humboldt's woolly monkey (<jats:italic>Lagothrix lagortricha<\/jats:italic>) is a ceboid primate that more frequently engages in plantigrade quadrupedalism (~89%) but is, like most other members of the subfamily Atelinae, capable of suspensory postures and \u201ctail assisted\u201d brachiation. That taxon's decreased reliance on suspension is reflected in the skeletal anatomy of the upper limb which is less derived relative to more frequently suspensory atelines (<jats:italic>Ateles<\/jats:italic>, <jats:italic>Brachyteles<\/jats:italic>) but is in many ways (i.e., phalangeal curvature, enlarged joint surfaces, elongated diaphyses) intermediate between highly suspensory and quadrupedal anthropoids. Although it has been suggested that muscle may have morphogenetic primacy with respect to bone this has not been explicitly tested. The present study employs analyses of <jats:italic>Lagothrix<\/jats:italic> upper limb muscle fiber length, relative physiological cross\u2010sectional area and relative muscle mass to test whether muscular adaptations for suspensory postures and locomotion in <jats:italic>Lagothrix<\/jats:italic> precede adaptive refinements in the skeletal tissues or appear more gradually in conjunction with related skeletal adaptations. Results demonstrate that <jats:italic>Lagothrix<\/jats:italic> upper limb musculature is most like committed quadrupeds but that limited aspects of the relative distribution of segmental muscle mass may approach suspensory hylobatids consistent with only a limited adaptive response in musculature prior to bone. Results specific to the shoulder were inconclusive owing to under\u2010representation of quadrupedal shoulder musculature and future work should be focused more specifically on the adaptive and functional morphology of the muscular anatomy and microstructure of the scapulothoracic joint complex.<\/jats:p>","DOI":"10.1002\/ar.25514","type":"journal-article","created":{"date-parts":[[2024,6,28]],"date-time":"2024-06-28T03:50:40Z","timestamp":1719546640000},"page":"3850-3869","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["The comparative and functional anatomy of the forelimb muscle architecture of <scp>Humboldt's<\/scp> woolly monkey (<i>Lagothrix lagotricha<\/i>)"],"prefix":"10.1002","volume":"307","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2477-4820","authenticated-orcid":false,"given":"Andrew S.","family":"Deane","sequence":"first","affiliation":[{"name":"Department of Anatomy, Cell Biology &amp; Physiology Indiana University School of Medicine  Indianapolis Indiana USA"},{"name":"Department of Anthropology Indiana University Indianapolis  Indianapolis Indiana USA"},{"name":"Centre for the Exploration of the Deep Human Journey University of Witwatersrand  Johannesburg South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Magdalena N.","family":"Muchlinski","sequence":"additional","affiliation":[{"name":"Anatomical Sciences Center Oregon Health &amp; Science University  Portland Oregon USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8462-0271","authenticated-orcid":false,"given":"Jason M.","family":"Organ","sequence":"additional","affiliation":[{"name":"Department of Anatomy, Cell Biology &amp; Physiology Indiana University School of Medicine  Indianapolis Indiana USA"},{"name":"Department of Anthropology Indiana University Indianapolis  Indianapolis Indiana USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Evie","family":"Vereecke","sequence":"additional","affiliation":[{"name":"Department of Development and Regeneration KU Leuven  Leuven Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vanya","family":"Bistrekova","sequence":"additional","affiliation":[{"name":"ICTA, Department of Environmental Science and Technology Universitat Aut\u00f2noma de Barcelona  Barcelona Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lindsey","family":"Hays","sequence":"additional","affiliation":[{"name":"Department of Neuroscience University of Kentucky College of Medicine  Lexington Kentucky USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Timothy","family":"Butterfield","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Science University of Kentucky College of Health Sciences  Lexington Kentucky USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,6,28]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.aab2625"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1096-8644(199603)99:3<429::AID-AJPA5>3.0.CO;2-R"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/ajpa.10269"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/ajpa.1330690308"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-540-33761-4_32"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1006\/jhev.2001.0485"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0047-2484(03)00060-5"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10329-005-0166-4"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-7580.2008.00870.x"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jhevol.2008.05.005"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/jmor.20304"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/ar.25187"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/0047-2484(92)90104-H"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1002\/ajpa.1330890108"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1242\/jeb.029983"},{"key":"e_1_2_8_17_1","volume-title":"Primate adaptation and evolution","author":"Fleagle J. 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