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. Author manuscript; available in PMC: 2019 May 1.
Published in final edited form as: Med Sci Sports Exerc. 2018 May;50(5):977–986. doi: 10.1249/MSS.0000000000001520

Figure 1.

Figure 1

Bone Z-score frequency distributions by weight bearing physical activity composition. The dashed lines represent bone Z-scores for a population spending 1 hour per day in total physical activity with equal time in high and low impact physical activity. The light gray distributions (shifted to the left) represent bone Z-scores for a population spending 1 hour per day in low impact physical activity and no time in high impact physical activity. The dark gray distributions (shifted to the right) represent bone Z-scores for a population spending no time in low impact physical activity and 1 hour per day in high impact physical activity.