Classification of young males’ shoulder shapes based on cross-sectional morphological characteristicsFangYuan Hu, JuanFeng Jin, ShuQing Wang, WenJing Dang, ZhenZhen Guo and ZiChao LiuE3S Web Conf., 237 (2021) 02017DOI: https://doi.org/10.1051/e3sconf/202123702017