What kind of movement makes a ganglion cyst bigger on the back of my wrist is it just the up & down movement or any movement in the wrist?

Any motion: Has the potential to increase a ganglions size. The ganglion or cyst is connected to the joint or tendon sheath via either a thin or thick stalk so that fluid form the wrist or tendon lieterally gets pumped into the ganglion with the pressure of movement. Usually it is like a one way valce as pressure on the ganglion does not draon the other way. It makes no difference which way you move usually.

All: Any nad all movements of the wrist can contribute to exacerbation of ganglion symptoms.

Most motion has the: Potential to increase ganglions size the ganglion or cyst is connected to the joint or tendon sheath via either a thin or thick stalk so that fluid from the wrist or tendon literally gets "pumped" into the ganglion with the pressure of movement. Usually it is like a one way valve as pressure on the ganglion does not drain the other way. It makes no difference which way u move but each can differ.