Ultimate plank fitness for a strong core, killer abs - and a killer body

Dades bibliogràfiques
Autor principal:	DeCurtins, Jennifer (Autor)
Format:	Llibre
Idioma:	English
Publicat:	Beverly, MA Fair Winds Press 2015.
Matèries:	Exercise. Physical fitness. Abdominal exercises. Abdomen > Muscles. Muscle strength.