Lee Silverman Voice Treatment (LSVT)

Rehabilitation Assists People With Parkinson’s Disease: LSVT Loud and Big 


Lee Silverman Voice Treatment (LSVT) is a proven rehabilitation method in treating speech disorders in people with Parkinson's Disease. Treatment targets loud, clear speech.

Benefits of LSVT LOUD

  • Improved vocal loudness - Speech will become louder, slower and clearer.
  • Improved speech intelligibility - Speak more clearly on the phone, in restaurants and other social situations. More facial expression. Improved ability to swallow.


LSVT BIG is an intensive physical and/or occupational therapy exercise program for people with Parkinson’s disease and other neurological conditions. Treatments target whole body movements for activities of daily living.

Benefits of LSVT BIG

  • Helps avoid inactivity
  • Increases ability to perform daily activities
  • Faster walking with bigger steps
  • Better balance
  • Increased trunk rotation
  • Improved quality of life

A Referral for LSVT Includes:

  • Baseline assessment of speech and physical status
  • Therapy to increase loudness without damaging vocal cords
  • Retraining for more normal "Big" body movements
  • Evaluation for additional rehabilitation services


To locate an LVST program near you, please contact one of the following program leaders:


LSVT BIG: Samuel Penkala, MSOT, OTRL
Phone (989) 832-4220
Fax (989) 832-4207

LSVT LOUD: Cindy Ruble, SLP
Phone (989) 839-3580
Fax: (989) 839-1704

LSVT LOUD: Glen Laffy, SLP
Phone (989) 802-5167
Fax (989) 802- 5143
Mt. Pleasant

LSVT BIG: Jyl Keinath, OTRL
LSVT LOUD: Lynn Sweeny, SLP
Phone (989) 775-1662
Fax (989) 775-1604