Changes

==Myotonia==

==Myotonia==

* Stiffness is present from birth.

* Stiffness is present from birth.

** Signs improve with exercise.

** Signs improve with exercise.

* Hypertrophy of the [[Oral Cavity - Tongue - Anatomy & Physiology|tongue]] and appendicular muscles.

* Hypertrophy of the [[Tongue - Anatomy & Physiology|tongue]] and appendicular muscles.

* Percussion dimple formation

* Percussion dimple formation

* Biopsy results may:

* Biopsy results may:

** Herbicides  

** Herbicides  

*** For example, (2,4-D) and dicamba.

*** For example, (2,4-D) and dicamba.

** Hyperadrenocorticoidism  

** [[Hyperadrenocorticoidism ]]

*** This may be natural (i.e. increased endogenous steroid production), or iatrogenic (i.e. prolonged corticosteroid administration).

*** This may be natural (i.e. increased endogenous steroid production), or iatrogenic (i.e. prolonged corticosteroid administration).