Preface. Elastic Filaments of the Cell. Connecting Filaments: A Historical Prospective; K. Trombitás. Connectin: From Regular to Giant Sizes of Sarcomeres; K. Maruyama, S. Kimura. Molecular Tools for the Study of Titin's Differential Expression; T. Centner, et al. Sequence and Mechanical Implications of Titin's PEVK Region; M.L. Greaser, et al. Probing the Functional Roles of Titin Ligands in Cardiac Myofibril Assembly and Maintenance; A.S. McElhinny, et al. Assembly of Myofibrils in Cardiac Muscle Cells; J.W. Sanger, et al. General Discussion I. Molecular Mechanism of Elasticity. Mechanical Manipulation of Single Titin Molecules with Laser Tweezers; M.S.Z. Kellermayer, et al. Unfolding Forces of Titin and Fibronectin Domains Directly Measured by AFM; M. Rief, et al. Computer Modeling of Force-Induced Titin Domain Unfolding; H. Lu, et al. Extensibility in the Titin Molecule and its Relation to Muscle Elasticity; L. Tskhovrebova, J. Trinick. Titin Elasticity in the Context of the Sarcomere: Force and Extensibility Measurements on Single Myofibrils; W.A. Linke. Titin-Like Proteins. Links in the Chain: The Contribution of Kettin to the Elasticity of Insect Muscles; B. Bullard, et al. Titin as a Chromosomal Protein; C. Machado, D.J. Andrew. Role of the Elastic Protein Projectin in Stretch Activation and Work Output of Drosophila Flight Muscles; J.O. Vigoreaux, et al. Drosophila Projectin: A Look at Protein Structure and Sarcomeric Assembly; A. Ayme-Southgate, et al. Role of Titin in Nonmuscle and Smooth Muscle Cells; T.C.S. Keller III, et al. Functional Role of Elastic Filaments. Mechanical Properties of Titin Isoforms; H.L. Granzier, et al. IntactConnecting Filaments Change Length in 2.3-nm Quanta; F. Blyakhman, et al. Titin-Thin Filament Interaction and Potential Role in Muscle Function; J.-P. Jin. Is Titin the Length Sensor in Cardiac Muscle? Physiological and Physiopathological Perspectives; J.-Y. Le Guennec, et al. Ca2+-Dependence of Passive Properties of Cardiac Sarcomeres; B.D. Stuyvers, et al. Possible Contribution of Titin Filaments to the Compliant Series Elastic Component in Horseshoe Crab Skeletal Muscle Fibers; H. Sugi, et al. Skeletal Muscle-Specific Calpain, p94, and Connectin/Titin: Their Physiological Functions and Relationship to Limb-Girdle Muscular Dystrophy Type 2A; H. Sorimachi, et al. General Discussion II. From Connecting Filaments to Co-Expression of Titin Isoforms; K. Trombitás, et al. Index.