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

What Is Phasic Muscle?

What Is Phasic Muscle? Phasic muscles contain mostly fast-twitch muscle fibres, and are therefore more suited to movement. They are prone to inhibition. … Postural muscles tend to shorten in response to over-use, under-use or trauma, whereas phasic muscles tend to lengthen and weaken in response to these types of stimuli. What’s the difference between