1. Earp, JE and Kraemer, WJ. Medicine ball training implications for rotational power sports.;Strength Cond J,2010
2. Hamlyn, N, Behm, DG, and Young, WB. Trunk muscle activation during dynamic weight-training exercises and isometric instability activities.;J Strength Cond Res,2007
3. Jennings, CL, Viljoen, W, Durandt, J, and Lambert, M. The reliability of the Fitrodyne as a measure of muscle power.;J Strength Cond Res,2005
4. The myth of core stability.;Lederman;J Bodywork Mov Ther,2010
5. An unstable support surface is not a sufficient condition for increases in muscle activity in rehabilitation exercise.;Lehman;J Can Chiroprac Assoc,2007