1. Editorial

   • C. C. Ashley
   • C. R. Bagshaw
   • R. T. Tregear

   EditorialNotes Pages: 1 - 1

2. A three-state model for oscillation in muscle: Sinusoidal analysis

   • M. Murase
   • H. Tanaka
   • H. Shimizu

   OriginalPaper Pages: 2 - 10

3. Nonlinear summation of contractions in striated muscle. I. Twitch potentiation in human muscle

   • J. Duchateau
   • K. Hainaut

   OriginalPaper Pages: 11 - 17

4. Nonlinear summation of contractions in striated muscle. II. Potentiation of intracellular Ca²⁺ movements in single barnacle muscle fibres

   • J. Duchateau
   • K. Hainaut

   OriginalPaper Pages: 18 - 24

5. Creatine kinase isoenzymes in spermatozoa

   • Theo Wallimann
   • Hanni Moser
   • Hans M. Eppenberger

   OriginalPaper Pages: 25 - 34

6. The thermoelastic effect in rigor muscle of the frog

   • Susan H. Gilbert
   • Lincoln E. Ford

   OriginalPaper Pages: 35 - 46

7. Contractile properties and ultrastructure of three types of muscle fibre in the dogfish myotome

   • Q. Bone
   • I. A. Johnston
   • K. P. Ryan

   OriginalPaper Pages: 47 - 56

8. The enthalpies of ionization of the imidazole group of carnosine and the methylimidazole group of anserine

   • W. F. H. M. Mommaerts
   • A. Ma
   • J. M. Sturtevant

   Short Communication Pages: 57 - 58

9. Abstracts of the Fourteenth European Conference on Muscle and Motility

   Abstract Pages: 59 - 93

10. Book review

    • C. R. Bagshaw

    BookReview Pages: 95 - 96