Bone quality and biomechanics articles within Nature

Featured

  • Article |

    In extinct species including non-avian dinosaurs, bone density is shown to be a reliable indicator of aquatic behavioural adaptations, which emerged in spinosaurids during the Early Cretaceous.

    • Matteo Fabbri
    • , Guillermo Navalón
    •  & Nizar Ibrahim

  • Letter |

    It is widely accepted that contraction of skeletal muscle and the heart involves structural changes in actin-containing thin filaments to allow binding of myosin motors from neighbouring thick filaments, thus driving filament sliding; here, X-ray diffraction of single skeletal muscle cells reveals that this thin-filament mechanism can regulate muscle contraction against low load, but high-load contraction requires a second permissive step involving a structural change in the thick filament.

    • Marco Linari
    • , Elisabetta Brunello
    •  & Malcolm Irving

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