1. 3) Fuchs, R. K., Bauer, J. J., Snow, C. M. Jumping improves hip and lumbar spine bone mass in prepubescent children: a randomized controlled trial. J Bone Miner Res.(2001), 16, 148-156.
2. 4) Regling, G. Law and connective tissue regulation (Wolff's ED). W. de Gruyter.(1993), Berlin.
3. 5) Frost, H. M. Muscle, bone, and the Utah paradigm : a 1999 overview. Med Sci Sports Exerc.(2000), 32, 911-917.