Guest guest Posted January 22, 2006 Report Posted January 22, 2006 > > If a muscle has more range of movement, does it mean the sarcomeres are > longer or a new sarcomere has developed in series per strand. **If you search through the files and have a look in the ST book you will note that muscles do not exhibit 'flexibility'. Joints exhibit range of movement (ROM). Soft tissues including muscles contribute to joint flexibility and exhibit qualities such as mechanical stiffness, elasticity, viscoelasticity and compliance. Under different conditions these qualities change and affect one's ROM, for example, when the soft tissues are loaded rapidly; they exhibit greater resistance to deformation than if they are loaded slowly. If your goal is to elicit structural changes (permanent plastic deformation) to the 'muscles' then lengthy / (frequent?) static (loaded) stretching *may* result in an increase in sacromeres. Hope that helps Carruthers Wakefield, UK Quote
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