... 20 7 2015 © 2015. Published by The Company of Biologists Ltd 2015 Summary: The ability of the progenitor population to differentiate toward bone-forming cells may be a better correlate to bone structural adaptation than external forces generated by exercise. Physical activity...

... ( Strubbe and Gorissen, 1980 ), post-lactation body mass remained much heavier than that at baseline pre-reproduction. This disconnect between energy intake and body mass between pre- and post-lactation periods might be explained by the reduction in physical activity at night during the post-lactation...

...Klaas R. Westerterp SUMMARY There is a limit to the performance of an organism set by energy intake and energy mobilization. Here, the focus is on humans with unlimited access to food and for whom physical activity can be limited by energy mobilization. The physical activity level (PAL...