Comment on

• Changes in bone turnover induced by aerobic and anaerobic exercise in young males.

  Woitge HW, Friedmann B, Suttner S, Farahmand I, Müller M, Schmidt-Gayk H, Baertsch P, Ziegler R, Seibel MJ. Woitge HW, et al. J Bone Miner Res. 1998 Dec;13(12):1797-804. doi: 10.1359/jbmr.1998.13.12.1797. J Bone Miner Res. 1998. PMID: 9844096 Clinical Trial.
• Pre- and postmenopausal women have different bone mineral density responses to the same high-impact exercise.

  Bassey EJ, Rothwell MC, Littlewood JJ, Pye DW. Bassey EJ, et al. J Bone Miner Res. 1998 Dec;13(12):1805-13. doi: 10.1359/jbmr.1998.13.12.1805. J Bone Miner Res. 1998. PMID: 9844097 Clinical Trial.
• Moderate exercise during growth in prepubertal boys: changes in bone mass, size, volumetric density, and bone strength: a controlled prospective study.

  Bradney M, Pearce G, Naughton G, Sullivan C, Bass S, Beck T, Carlson J, Seeman E. Bradney M, et al. J Bone Miner Res. 1998 Dec;13(12):1814-21. doi: 10.1359/jbmr.1998.13.12.1814. J Bone Miner Res. 1998. PMID: 9844098 Clinical Trial.