It is a form of myotonia where the distal muscles, particularly the hands and feet, fail to relax immediately after voluntary contraction.
It should not be confused with the (part of the shoulder) or acromegaly (a growth hormone disorder). acromyotonia
Symptoms are often worsened by cold temperatures or repetitive movement, leading to a "locked" or "solid" feel in the hands. It is a form of myotonia where the
To better understand this, is this for a general overview, or particularly the hands and feet