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Frank, In addition to improved tensile loading eccentric contractions are able to withstand greater forces with less muscular activity. Effectively you are stronger eccentrically than concentrically. This I believe has a lot to do with the parallel elastic component and stored energy within the tissue, but a physiologist would better explain this. I could look it up of course but time is of the essence at present. Scott --- Scott Epsley BPhty., MAPA, SPG. PRINCIPAL PHYSIOTHERAPIST Clifford Chambers Sports Medicine Suite 4, 120 Russell Street Toowoomba QLD 4350 Australia e-mail: [log in to unmask] On Thu, 13 Dec 2001 06:21:09 Jason Steffe wrote: >Frank, > >On a physiological level as I understand it, eccentrics provide a higher load on the musculotendinous unit. As the tissue adapts to the demands placed upon it, it develops tensile strength. Also, some consider a lack of eccentric strength to be a contributor to tendonitis. So, as the muscle builds eccentric strength, it can withstand/absorb the eccentric moments without significant structural breakdown. Isometrics are also good for building tendon resiliency b/c they too provide a high amount of tensile loading. > >Regards. > >Jason Steffe, PT, MS, MTC >Physiotherapy Associates >1901 Phoenix Blvd, Suite 205 >College Park, GA. 30349 >Ph: 770-907-1023 >Fax:770-907-5608 > ----- Original Message ----- > From: Frank Conijn > To: [log in to unmask] > Sent: Wednesday, December 12, 2001 9:53 PM > Subject: Eccentric vs. concentric > > > Hello list, > > Could anyone explain why eccentric exercises would be/are better than > concentric, in case of a tendinosis? > > Thanks in advance, > Frank > >