I wonder how precisely can a physiotherapist assess muscles tightness by touching a given muscle. For example, if muscles tightness can be measured as a percentage, would a physiotherapist be able to distinguish 10% tightness from 20% tightness?

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    I'm a physical therapist and I check muscle tightness in comparison to the other side. So right calf against left for example. Percentage is a rather strange and IMHO not practicable approach. Also the assessment of tightness is not really helpful for my further therapy, because a tight muscle is not bad per se. Range of motion and strength are way more interesting for a physical therapist. Dec 6 '17 at 12:52

As a continence and pelvic pain physiotherapist pelvic floor muscle tightness is actually an assessment of increased tone or muscle overactivity. Palpation is digital and sides are compared as are each individual muscle within the pelvic floor. Tightness/increased tone/overactivity will often manifest as trigger points or areas of pain or discomfort. Another objective measure is by using a perineometer which actually gives a reading in cmH2O or mmHg and has norms to compare against.

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