AUTHOR=Lin Ziling , Hou Yanjun , Chen Xueling , Liu Yanping , Wang Xiangbin TITLE=Altered lumbo-pelvic-hip complex muscle morphometry and contraction change in postpartum pelvic girdle pain and asymptomatic subjects: a cross-sectional study JOURNAL=Frontiers in Physiology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2024.1506553 DOI=10.3389/fphys.2024.1506553 ISSN=1664-042X