%0 Journal Article %T Sagittal spine disposition and pelvic tilt during outdoor fitness equipment use and their associations with kinanthropometry proportions in middle-aged and older adults %A Abelleira-Lamela, Tomás %A Vaquero-Cristóbal, Raquel %A González-Gálvez, Noelia %A Esparza-Ros, Francisco %A Espeso-García, Alejandro %A Marcos-Pardo, Pablo Jorge %J PeerJ %V 9 %D 2021-12-20 %I PeerJ Inc. %~ DeepDyve