#chromotography

Human muscle fatigue during maximum dynamic exercise lasting ten seconds

This research was carried out by the talented Christina Karatzaferi who was a PhD student directed by Professor Anthony J Sargeant. It is another contribution to a whole series of research papers which have their origin in a 1981 research paper of Tony Sargeant’s. In that seminal paper he described for the first time an isokinetic cycle ergometer which made it possible to measure maximum human…

Recovery from brief intense exercise

Human power in maximum exercise lasting for a few seconds is dependent on high energy phosphates (ATP + PCr) present in the muscle fibres. In a whole series of research papers Professor Anthony J Sargeant has investigated how the rate of utilization varies between different muscle fibre types. In this research carried out by Christina Karatzaferi, his talented Greek PhD student, they report for…

Effect of Stimulation Frequency on Efficiency of Muscle

F. Abbate was one of Professor Anthony J Sargeant’s PhD students who submitted this published research as a chapter in his PhD thesis. The research was jointly supervised with Arnold de Haan. In situ rat fast skeletal muscle is more efficient at submaximal than at maximal activation levelsF. Abbate , C. J. De Ruiter , C. Offringa , A. J. Sargeant , A. De Haan J Appl Physiol. 2002…

Professor Anthony J Sargeant directed the Amsterdam Research Group who carried out this research.

This research was part of the PhD thesis of JG Beltman carried out in the department established and directed by Professor Tony Sargeant. It applied techniques for the analysis of high energy phophates in human muscle fibre fragments developed by Arnold de Haan with techniques established by another of Professor Sargeant’s PhD students, Jose Sant’Ana Perreira (sadly deceased) for the…

Research into recruitment of different human muscle fibre types by the research group directed by Anthony J Sargeant

This research was part of a long term interest of Professor Anthony J Sargeant in the extent to which different muscle fibre types are recruited to meet the demand for mechanical output in human exercise. The research was carried out under his direction by members of his research group in Amsterdam where JG Beltman was his PhD student. Metabolically assessed muscle fibre recruitment in brief…