Аннотация:need to be modified.We are aware of no new evidence, however, to discount the basic premises outlined in the theory.We appreciate the opportunity to clarify certain portions of the PST.Rather than seeing a conflict between the experimental results of the adaptive response of muscle or tendon to increased stress and the response predicted by the theory, however, we see how the theory can be used to help interpret research results and guide subsequent studies.We believe the PST can provide a general framework to guide these specific research studies to help identify thresholds of adaptation.