Bio-sketch: Dr Sally Clift is a Senior Lecturer in the Department of Mechanical Engineering at the University of Bath in the UK. She joined the academic staff of the University in 1988 having completed postdoctoral research projects in the then School of Materials Science at Bath and at the Open University. Her research interests are mainly in the areas of cartilage and bone biomechanics, concentrating particularly on the use of the Finite-Element method. Sally is a Fellow of the Institute of Physics in Engineering and Medicine and Editor-in-Chief of its journal, Medical Engineering and Physics.