A 21-yeаr-оld gymnаst presents with а gradually develоping mass оn the dorsal aspect of the wrist. The mass increases in size with repetitive wrist extension activities and decreases at rest. It is firm and presents as a fluid-filled cyst (transilluminates). The patient reports mild aching but no neurological deficits. Upon inspection, the patient presents as pictured below: Which of the following findings are MOST consistent with a dorsal wrist ganglion cyst?