The December 2014 Research Roundup³⁶⁰ looks at: demineralised bone matrix not as good as we thought?; trunk control following ACL reconstruction; subclinical thyroid dysfunction: not quite subclinical?; establishing musculoskeletal function in mucopolysaccharidosis; starting out: a first year in consultant practice under the spotlight; stroke and elective surgery; sepsis and clots; hip geometry and arthritis incidence; and theatre discipline and infection.