1. Anderson, K and Behm, DG. The impact of instability resistance training on balance and stability.;Sports Med,2005
2. Arokoski, JP, Valta, T, Airaksinen, O, and Kankaanpaa, M. Back and abdominal muscle function during stabilization exercises.;Arch Phys Med Rehabil,2001
3. Bartonietz, K and Strange, D. The use of swiss balls in athletic training-an effective combination of load and fun.lutilisation des medecine-balls pour lentrainement des athletes: Des exercices de renforcement musculaire ludiques et efficaces.;New Stud Athl,1998
4. Beedle, BB, Leydig, SN, and Carnucci, JM. No difference in pre and post exercise stretching on flexibility.;J Strength Cond Res,2007
5. Behm, DG, Anderson, K, and Curnew, RS. Muscle force and activation under stable and unstable conditions.;J Strength Cond Research/Nat Strength Cond Assoc,2002