Description: YMCA healthy back book/

Corporate Author:	YMCA of the USA
Other Authors:	Sammann, Patricia,
Format:	Book
Language:	English
Published:	Champaign, IL: Human Kinetics, c1994
Subjects:	Backache Backache > Exercise therapy Back pain > Popular work Exercise therapy Spine Σπονδυλική στήλη > Ασκήσεις