Credential · Certification

LSVT BIG

PTOT25 citations · 3 lenses

Parkinson's mobility and gait improvement. Amplitude-based training; complements LSVT LOUD. 4x/week × 4 weeks protocol. UPDRS motor score improvements.

Scores · default weights
Clinical
62/100
Business
53/100
Academic Clinical
59/100

Each lens uses its own dimensions and default weights. Scores answer different questions across paths — they aren’t apples-to-apples. How scoring works →

Clinical breakdown
Clinical outcomes×35%
72/100

UPDRS-III motor improvements consistent; gait speed and stride length gains documented. Long-term maintenance variable.

Caseload applicability×15%
52/100

High value for PTs treating Parkinson disease; limited applicability outside neuro-specific settings.

Billing & reimbursement×15%
52/100

Billed under PT codes; Medicare and commercial cover as standard PT; LSVT documentation supports Parkinson disease medical necessity.

Certification investment×20%
48/100

2-day training course; ~$500+ fee; biennial recertification required.

Employer demand×10%
78/100

Among the most employer-demanded PT certifications for neuro outpatient; frequently paired with LSVT LOUD.

Patient experience×5%
73/100

Parkinson's patients value functional independence improvements; family engagement is high.

Business breakdown
Cash-pay viability×25%
45/100

Parkinson's patients and families will pay for intensive programs; partial cash-pay viability.

Pricing leverage×20%
50/100

Protocol-based package pricing supports modest premium in neuro niche.

Market differentiation×15%
65/100

Trademark-protected with limited certified providers — defensible.

Owner leverage×15%
60/100

Protocolized — multiple certified staff can deliver consistently.

Consumer demand×15%
55/100

PD community actively searches for LSVT-certified providers.

Credential investment×10%
45/100

Multi-day certification with recertification fees; moderate cost.

Academic Clinical breakdown
Faculty recognition×25%
50/100

Useful neuro credential but commercial — secondary to NCS for promotion.

Scholarship signal×20%
70/100

Solid publication base around LSVT BIG/LOUD efficacy.

Teaching value×15%
70/100

Anchors PD case content in neuro curricula nicely.

Evidence depth×20%
65/100

Several trials support efficacy; some methodological critiques remain.

Faculty demand×10%
45/100

Occasionally preferred for neuro faculty with PD focus.

Credential investment×10%
45/100

Moderate cost/time; not the cheapest neuro credential to add.

Evidence base · 25 sources
  1. 01
    Effects of Exercise on Gait and Functional Performance in Individuals With Idiopathic Normal Pressure Hydrocephalus: A Scoping Review
    S. Bovonsunthonchai; T. Witthiwej; N. Hengsomboon; D. Tongkongharn; N. Siriwannaphar; N. Sanguankwamdee; J. Rattanatreyanupab; P. Chokchaijaroensin; J. Richards · J Geriatr Phys Ther2025
    Systematic reviewdoi:10.1519/JPT.0000000000000464
  2. 02
    Influence of Mild Cognitive Impairment on LSVT<sup>®</sup> BIG Therapy Effectiveness in People with Parkinson's Disease: A Retrospective Cohort Study
    M. Iwai; H. Sakurai; S. Koyama; K. Takeda; Y. Hirakawa; I. Motoya; Y. Kanada; Y. Okada; N. Kawamura; M. Kawamura; S. Tanabe · Physical &amp; Occupational Therapy in Geriatrics2025
    Cohort studydoi:10.1080/02703181.2024.2430221
  3. 03
    Effects of Lee Silverman Voice Treatment‐BIG on Motor, Cognition, Mental Health, Occupational Performance, and Occupational Balance in Patients With Schizophrenia: A Single‐Subject Experimental Study
    W.-H. Jang; S.-M. Seo; S.-H. Kim; C. Hilton · Occupational Therapy International2025
    Otherdoi:10.1155/oti/3566653
  4. 04
    Effectiveness of Lee Silverman Voice Treatment (LSVT)-BIG for Neurological Diseases Other than Parkinson's Disease: Mini Review
    C. Won; W. Jang; S. Park · Brain Sci2025
    Otherdoi:10.3390/brainsci15040367
  5. 05
    Exercise-Induced Functional Changes in People with Parkinson's Disease following External Cueing and Task-Based Intervention
    C. M. Clarkin; C. L. Ward-Ritacco; L. Mahler · Rehabilitation Research &amp; Practice2024
    Otherdoi:10.1155/2024/6188546
  6. 06
    The effects of standard and modified LSVT BIG therapy protocols on balance and gait in Parkinson's disease: A randomized controlled trial
    S. Eldemir; K. Eldemir; F. Saygili; C. Ozkul; R. Yilmaz; M. C. Akbostancı; A. Guclu-Gunduz · Brain Behav2024
    RCTdoi:10.1002/brb3.3458
  7. 07
    Physical exercise for people with Parkinson's disease: a systematic review and network meta-analysis
    M. Ernst; A. K. Folkerts; R. Gollan; E. Lieker; J. Caro-Valenzuela; A. Adams; N. Cryns; I. Monsef; A. Dresen; M. Roheger; C. Eggers; N. Skoetz; E. Kalbe · Cochrane Database Syst Rev2024
    Meta-analysisdoi:10.1002/14651858.CD013856.pub3
  8. 08
    Effect of the Lee Silverman Voice Treatment BIG® on motor symptoms in a participant with progressive supranuclear palsy: A case report
    Y. Hirakawa; K. Takeda; S. Koyama; M. Iwai; I. Motoya; H. Sakurai; Y. Kanada; N. Kawamura; M. Kawamura; S. Tanabe · Physiotherapy Theory &amp; Practice2024
    Case seriesdoi:10.1080/09593985.2023.2225588
  9. 09
    LSVT® BIG versus progressive structured mobility training through synchronous telerehabilitation in Parkinson's disease: A randomized controlled trial
    G. Kaya Aytutuldu; B. Ersoz Huseyinsinoglu; N. Karagoz Sakalli; A. Sen; I. Yeldan · Neurol Sci2024
    RCTdoi:10.1007/s10072-024-07322-0
  10. 10
    Physiotherapy Approach to a Stage V Parkinson's Disease Patient: A Case Report
    S. S. Bhoge; P. Harjpal; S. Gupta · Cureus2023
    Case seriesdoi:10.7759/cureus.47549
  11. 11
    Physical exercise for people with Parkinson's disease: a systematic review and network meta-analysis
    M. Ernst; A. K. Folkerts; R. Gollan; E. Lieker; J. Caro-Valenzuela; A. Adams; N. Cryns; I. Monsef; A. Dresen; M. Roheger; C. Eggers; N. Skoetz; E. Kalbe · Cochrane Database Syst Rev2023
    Meta-analysisdoi:10.1002/14651858.CD013856.pub2
  12. 12
    Quantitative assessment of the gait improvement effect of LSVT BIG® using a wearable sensor in patients with Parkinson's disease
    A. Matsuno; A. Matsushima; M. Saito; K. Sakurai; K. Kobayashi; Y. Sekijima · Heliyon2023
    Otherdoi:10.1016/j.heliyon.2023.e16952
  13. 13
    Effects of Task-Based LSVT-BIG Intervention on Hand Function, Activity of Daily Living, Psychological Function, and Quality of Life in Parkinson's Disease: A Randomized Control Trial
    Y. Choi; D. Kim · Occupational Therapy International2022
    RCTdoi:10.1155/2022/1700306
  14. 14
    LSVT BIG® and long-term retention of functional gains in individuals with Parkinson's disease
    S. Fleming Walsh; C. Balster; A. Chandler; J. Brown; M. Boehler; S. O'Rear · Taylor &amp; Francis Ltd2022
    Otherdoi:10.1080/09593985.2020.1780655
  15. 15
    Effect of Lee Silverman Voice Treatment (LSVT)® BIG on motor symptoms in a patient with severe Parkinson's disease: a case report
    Y. Hirakawa; K. Takeda; S. Koyama; Y. Naoi; T. Matsushita; T. Nagai; I. Motoya; H. Sakurai; Y. Kanada; N. Kawamura; M. Kawamura; S. Tanabe · Physiotherapy Theory &amp; Practice2022
    Case seriesdoi:10.1080/09593985.2021.1938304
  16. 16
    Efficacy of non-pharmacological interventions for depression in individuals with Parkinson's disease: A systematic review and network meta-analysis
    Y. Wang; X. Sun; F. Li; Q. Li; Y. Jin · Front Aging Neurosci2022
    Meta-analysisdoi:10.3389/fnagi.2022.1050715
  17. 17
    Occupational Performance and Hand Function in People With Parkinson's Disease After Participation in Lee Silverman Voice Treatment (LSVT) BIG<sup>®</sup>
    B. M. Doucet; M. Blanchard; F. Bienvenu · American Journal of Occupational Therapy2021
    Otherdoi:10.5014/ajot.2021.042101
  18. 18
    Short-term effect and its retention of LSVT<sup>®</sup> BIG on QOL improvement: 1-year follow-up in a patient with Parkinson's disease
    Y. Hirakawa; S. Koyama; K. Takeda; M. Iwai; I. Motoya; H. Sakurai; Y. Kanada; N. Kawamura; M. Kawamura; S. Tanabe · NeuroRehabilitation2021
    Otherdoi:10.3233/NRE-210129
  19. 19
    Effect of LSVT® BIG on standing balance in a Parkinson's patient: A case report
    M. Iwai; S. Koyama; K. Takeda; Y. Hirakawa; I. Motoya; N. Kumazawa; H. Sakurai; Y. Kanada; N. Kawamura; M. Kawamura; S. Tanabe · Physiotherapy Research International2021
    Case seriesdoi:10.1002/pri.1921
  20. 20
    Feasibility of the Lee Silverman Voice Treatment-BIG Intervention in Stroke
    R. Proffitt; W. Henderson; M. Stupps; L. Binder; B. Irlmeier; E. Knapp · OTJR: Occupation, Participation &amp; Health2021
    Pilot/feasibilitydoi:10.1177/1539449220932908
  21. 21
    Effects of Lee Silverman Voice Treatment BIG and conventional physiotherapy on non-motor and motor symptoms in Parkinson's disease: a randomized controlled study comparing three exercise models
    F. Schaible; F. Maier; T. M. Buchwitz; F. Schwartz; M. Hoock; E. Schönau; M. Libuda; A. Hordt; T. van Eimeren; L. Timmermann; C. Eggers · Ther Adv Neurol Disord2021
    RCTdoi:10.1177/1756286420986744
  22. 22
    Outcomes Following LSVT BIG in a Person With Idiopathic Normal Pressure Hydrocephalus: A Case Report
    S. Fillmore; G. Cavalier; H. Franke; M. Hajec; A. Thomas; G. Moriello · J Neurol Phys Ther2020
    Case seriesdoi:10.1097/NPT.0000000000000319
  23. 23
    The impact of LSVT BIG therapy on postural control for individuals with Parkinson disease: A case series
    S. C. Fishel; M. E. Hotchkiss; S. A. Brown · Physiother Theory Pract2020
    Case seriesdoi:10.1080/09593985.2018.1508260
  24. 24
    Use of Occupation-Based Measures in LSVT BIG Research: A Case Study
    W. Henderson; A. E. Boone; J. Heady; M. Nettleton; T. Wilhelm; J. Bliss · OTJR (Thorofare N J)2020
    Case seriesdoi:10.1177/1539449219886261
  25. 25
    LSVT-BIG therapy in Parkinson's disease: physiological evidence for proprioceptive recalibration
    M. Peterka; T. Odorfer; M. Schwab; J. Volkmann; D. Zeller · BMC Neurol2020
    Otherdoi:10.1186/s12883-020-01858-2
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