Biomechanics is concerned with the response of living matter to forces, and its study has taken long strides in recent years. In the past two decades, biomechanics has brought improved understanding of normal and patho physiology of organisms at molecular, cellular, and organ levels; it has helped developing medical diagnostic and treatment procedures; it has guided the design and manufacturing of prosthesis and instruments; it has suggested the means for improving human performance in the workplace, sports, and space; it has made us understand trauma in war and in peace. Looking toward the...