Download or read book Molecular Mechanisms in Muscular Contraction written by John Squire and published by . This book was released on 1990 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: There has been a lot of debate concerning the nature of the molecular mechanism that produces filament sliding and muscle shortening. This book presents the different kinds of structural and mechanical evidence in favour of the swinging of myosin heads on actin during the contractile cycle.