Graphospasm and Muscle spasm

Graphospasm noun - Muscular spasms of thumb and forefinger while writing with a pen or pencil.

Muscle spasm and graphospasm are semantically related. In some cases you can use "Muscle spasm" instead a noun "Graphospasm".

Muscle spasm noun - A painful and involuntary muscular contraction.

Graphospasm and muscle spasm are semantically related. Sometimes you can replace term "Graphospasm" with "Muscle spasm", this terms are similar.