Having a ball : stability ball gams /
Byl, John
Having a ball : stability ball gams / John Byl - Champaign Ill. : Human Kinetics, c2008. - xiii, 137p. : ill. ; 23 cm.
978-0-7360-7254-0
1. Exercise.
2. Swiss exercise balls.
Circ. 613.710284 B993h 2008
Having a ball : stability ball gams / John Byl - Champaign Ill. : Human Kinetics, c2008. - xiii, 137p. : ill. ; 23 cm.
978-0-7360-7254-0
1. Exercise.
2. Swiss exercise balls.
Circ. 613.710284 B993h 2008