Pouvons-nous objectiver la raideur musculaire du patient fibromyalgique ?

Viscoelastic stiffness in the ankles of nine female subjects with fibromyalgia and nine control subjects was quantified by assessing passive sinusoidal movement. Increased elastic muscle stiffness in the ankles as well as different viscous muscle stiffness in the two ankles was observed in the subjects with fibromyalgia. In conclusion, measuring the resistance to the passive sinusoidal movement of the ankles could offer a valuable method of quantifying the subjective feeling of stiffness described by people with fibromyalgia