What Is The Difference Between Tonic And Phasic Muscles?
What Is The Difference Between Tonic And Phasic Muscles? Tonic – means that muscle contains mostly slow-contraction, long-duralibity fibers. These mucles have tendency to over-tension and to shorten (for example in spasticity). Phasic – means that muscle contains mostly quick-contraction, hi-power, short-duralibity fibers. What are phasic and tonic muscles? We have two categories of muscles