Association of walking and activities of daily living with muscle thickness of the trunk and lower extremity muscles in children with down syndrome. - Masaki, Mitsuhiro; Iizuka, Yuka; Sugawara, Karin; Uchikawa, Yuki; Isobe, Honoka; Hattori, Fuyumi; Mano, Koki; Saito, Keiko; Sugino, Ayaka; Kato, Kana; Sakaino, Kenji (Developmental Neurorehabilitation, 2025)