Vibration in the Lower Abdomen (Female) Qadri Medical PC Lickgasm 8X 3 in 1 Vibrator Lick + Suck IPX7 Healthy & Active Tremulousness, sometimes called internal tremor, vibrations or shaking, has long been recognized as a symptom of elevated sympathetic nervous system tone (a hyperadrnergic state), and it's often seen in POTS. Many people Is Internal Vibration a Neurologic Problem or Anxiety? How to Tell the Difference Vibrators for pelvic pain?! Yep, you read that right. Vibrators aren't just pleasure and reaching orgasm, they can also help reduce pelvic pain. How? Vibrations promote relaxation in tight muscles Can Vibrator Use Improve Sexual and Bladder Function?