Broad, fan-shaped bones on either side, called the iliac blades, curve to form a pelvic basin. This basin helped support her internal organs and entire upper body as she moved. Lucy: arm bones ...

This image shows the upper and lower limb bones of those adults found in Sima de los Huesos, Atapuerca, Spain. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news ...

‘Upper body day’ might not have the same ring to it, but dedicating some time to becoming stronger in your chest, shoulders, back, arms, and core can help boost your metabolism, promote bone ...