RT info:eu-repo/semantics/article T1 3D geometric morphometric analysis of the distal radius insertion sites of the palmar radiocarpal ligaments in hominoid primates A1 Casado, Aroa A1 Punsola, Vicenç A1 Gómez, Mónica A1 de Diego, Marina A1 Barbosa Cachorro, María Mercedes A1 Paz Fernández, Félix Jesús de A1 Pastor Vázquez, Juan Francisco A1 Potau, Josep Maria K1 Anatomía K1 Ligamentos K1 Huesos K1 Primates hominoideos K1 Distal radius K1 Hominoid primates K1 Radiocarpal ligaments K1 2401.01 Anatomía Animal AB Objectives: To identify anatomic differences in the insertion sites of the palmar radiocarpal ligaments in different species of hominoid primates that may be related to their different types of locomotion.Materials and methods: We have used three-dimensional geometric morphometrics (3D GM) to analyze the distal radius ligament insertion sites in 31 Homo sapiens, 25 Pan troglodytes, 31 Gorilla gorilla, and 15 Pongo pygmaeus. We have also dissected the radioscaphocapitate (RSC), long radiolunate (LRL) and short radiolunate (SRL) liga-ments in six H. sapiens and five P. troglodytes to obtain quantitative values that were then compared with the results of the 3D GM analysis.Results: H. sapiens had a relatively larger insertion site of the RSC + LRL ligament than the other hominoid primates. P. pygmaeus and P. troglodytes had a relatively large SRL lig-ament insertion site with a palmar orientation. In G. gorilla, the two ligament insertion sites were relatively smaller and the SRL insertion site had an ulnopalmar orientation.Discussion: The morphological differences observed can be related to the types of locomotion used by the different species and to quantitative data obtained from the dissection of ligaments in H. sapiens and P. troglodytes. 3D GM analysis of ligament insertion sites can help in interpreting the types of locomotion used by extinct homi-noid primates through the analysis of preserved fossilized fragments of the distalradius PB Wiley SN 1096-8644 YR 2019 FD 2019 LK https://uvadoc.uva.es/handle/10324/74319 UL https://uvadoc.uva.es/handle/10324/74319 LA eng NO American Journal of Physical Anthropology, Septiembre, 2019, vol. 170, n. 1. p. 24-36. NO Producción Científica DS UVaDOC RD 10-abr-2025