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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Muscle Tightness Clear all
Completed No phase listed Observational

Sensory Function in Idiopathic Voice Disorders

NCT00001922
View directory record Official record
Conditions
Phonation Disorder, Spastic Dysphonia, Voice Disorder
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
20 Years to 80 Years
Enrollment
370 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1998
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Non-invasive Lipolysis and Improvement of Muscle Tone in Inner Thighs

NCT04596228
View directory record Official record
Conditions
Fat Disorder
Interventions
BTL-899
Device
Lead sponsor
BTL Industries Ltd.
Industry
Eligibility
22 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhanced External Counterpulsation on Delayed Onset Muscle Soreness

NCT02175316
View directory record Official record
Conditions
Muscle Tightness
Interventions
Enhanced External Counterpulsation
Device
Lead sponsor
David Grant U.S. Air Force Medical Center
Federal
Eligibility
25 Years to 59 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Travis Air Force Base, California
Source: ClinicalTrials.gov public record
Updated Apr 21, 2020 · Synced Jul 22, 2026, 9:35 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Electrical Muscle Stimulation with 1064 Nm Diode Laser and RF/PEMF for Non-invasive Body Contouring and Fat Reduction.

NCT05256771
View directory record Official record
Conditions
Fat Reduction, Muscle Tone Increased
Interventions
EMS, 1064 nm diode laser, RF/PEMF
Device
Lead sponsor
Venus Concept
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
3
States / cities
San Diego, California • Hackensack, New Jersey • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Abdomen - Fat Reduction and Muscle Toning

NCT04587804
View directory record Official record
Conditions
Fat Burn
Interventions
rPMS+RF
Device
Lead sponsor
BTL Industries Ltd.
Industry
Eligibility
21 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
Macon, Georgia • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 31, 2021 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Phase 2 Interventional

Efficacy of Osteopathic Manipulation in Chronic Obstructive Pulmonary Disease

NCT00034112
View directory record Official record
Conditions
Emphysema
Interventions
osteopathic manipulative treatment
Procedure
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
1
States / cities
Kirksville, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Jul 22, 2026, 9:35 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Acute Effects of Neurodynamics on Strength and Endurance in Athletes

NCT07721220
View directory record Official record
Conditions
Sciatic Leg Pain, Hamstring Muscle Tightness, Hamstring Muscle Strain, Hamstring Muscle Strength, Hamstring Injuries, Hamstring Injury Prevention, Hamstring Rupture, Sciatic Nerve Injury, Sciatic Radiculopathy, Lumbar Disc Herniation With Radiculopathy, Lumbar Disc Herniation
Interventions
Sciatic Slider, Sciatic Tensioner, Mechanically loaded neurodynamic sciatic floss, Elastic Resistance Band
Other · Device
Lead sponsor
High Point University
Other
Eligibility
18 Years to 30 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate Effects of Gargle Phonation in Voice

NCT04766658
View directory record Official record
Conditions
Voice Disorders, Muscle Tension Dysphonia, Speech Therapy
Interventions
Gargle Phonation, Water swallow
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 89 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 18, 2022 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cranial Laser Reflex Technique for Hamstring Function

NCT03044106
View directory record Official record
Conditions
Hamstring Injury, Muscle Tone Increased, Muscle Pain, Muscle Weakness
Interventions
CLRT
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Does the Addition of Manual Therapy Techniques Increase Gastrocnemius/Soleus Length More Than Stretching Alone?

NCT01856972
View directory record Official record
Conditions
Muscle Tightness
Interventions
Instrument Assisted Soft Tissue Mobilization, Rearfoot joint mobilization, Static stretching/ROM exercises
Procedure · Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
12 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 10, 2014 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MRI Evaluation of Change in Gluteal Muscles Following the Treatment With HIFEM Device

NCT03815747
View directory record Official record
Conditions
Muscle Tone Increased
Interventions
High-Intensity Focused Electromagnetic (HIFEM) Field Device
Device
Lead sponsor
BTL Industries Ltd.
Industry
Eligibility
21 Years and older
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Solana Beach, California
Source: ClinicalTrials.gov public record
Updated May 19, 2020 · Synced Jul 22, 2026, 9:35 PM EDT
Recruiting Not applicable Interventional

Deconstructing Voice Therapy: Towards Enhanced Communication Outcomes

NCT07176988
View directory record Official record
Conditions
Dysphonia, Primary Muscle Tension Dysphonia (MTD)
Interventions
Hierarchical method, Non Hierarchical method
Other
Lead sponsor
Emory University
Other
Eligibility
16 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Jul 22, 2026, 9:35 PM EDT
Completed No phase listed Observational

Classification of Cerebral Palsy Subtypes

NCT00072800
View directory record Official record
Conditions
Cerebral Palsy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

EMS for Abdominal and Gluteal Muscle Toning

NCT03983304
View directory record Official record
Conditions
Non-Therapeutic Body Modification
Interventions
The ZELTIQ EMS System
Device
Lead sponsor
Zeltiq Aesthetics
Industry
Eligibility
22 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
8
States / cities
Marina del Rey, California • Pleasanton, California • San Diego, California + 5 more
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Jul 22, 2026, 9:35 PM EDT
Completed No phase listed Observational

Efficacy of Conversation Training Therapy (CTT)

NCT02441348
View directory record Official record
Conditions
Voice Disorders
Interventions
Conversation Training Therapy
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 60 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Jul 22, 2026, 9:35 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Non-invasive Improvement of Buttocks With Magnetic Device

NCT03575507
View directory record Official record
Conditions
Muscle Tightness
Interventions
Treatment with BTL EMSCULPT device.
Device
Lead sponsor
BTL Industries Ltd.
Industry
Eligibility
22 Years and older · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 26, 2020 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Results available

Preliminary Study 2 to Test the Effects of Ambulatory Voice Biofeedback

NCT03416868
View directory record Official record
Conditions
Vocal Fold Nodules, Muscle Tension Dysphonia
Interventions
Ambulatory voice biofeedback
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of OA Decompression on the Autonomic Nervous System

NCT00403936
View directory record Official record
Conditions
Muscle Tension
Interventions
OA decompression manipulation
Procedure
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Feb 24, 2010 · Synced Jul 22, 2026, 9:35 PM EDT
Not listed Not applicable Interventional

The Effect of an Individualized Impairment-based, Orthopedic Physical Therapy Intervention (IOI), on Muscle Stiffness, Pelvic Floor Function, and Pain in Women With Chronic Pelvic Pain

NCT04851730
View directory record Official record
Conditions
Pelvic Pain, Chronic Pain, Muscle Tightness
Interventions
Orthopedic Physical Therapy Intervention, Dry Needling
Procedure · Device
Lead sponsor
Texas Woman's University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Lee's Summit, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 19, 2021 · Synced Jul 22, 2026, 9:35 PM EDT
Not listed Not applicable Interventional

Treating Laryngeal Hyperfunction With Flow Phonation

NCT01988207
View directory record Official record
Conditions
Muscle Tension Dysphonia
Interventions
Vocal Hygiene Training, Flow Phonation Exercises
Behavioral
Lead sponsor
University of Central Arkansas
Other
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Conway, Arkansas
Source: ClinicalTrials.gov public record
Updated Nov 19, 2013 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Roller Massage on Short-Term Passive Muscle Stiffness

NCT04571034
View directory record Official record
Conditions
Muscle Tightness
Interventions
Sham Therapeutic Ultrasound, Medium-Intensity Roller Massage, High-Intensity Roller Massage
Procedure
Lead sponsor
Jeffrey Sykora
Other
Eligibility
18 Years to 30 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Dec 8, 2022 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tissue Changes Following Thoracic Myofascial Release

NCT06651671
View directory record Official record
Conditions
Myofascial Dysfunction, Myofascial Release
Interventions
Myofascial release, Sham (No Treatment)
Procedure
Lead sponsor
Rowan University
Other
Eligibility
18 Years to 35 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Stratford, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 21, 2024 · Synced Jul 22, 2026, 9:35 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Bariatric and Obstructive Lung Disease Study II

NCT01127399
View directory record Official record
Conditions
Obesity, Asthma
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 4, 2018 · Synced Jul 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety and Efficacy of Electronic Stimulation for Circumferential Reduction and Muscle Toning

NCT06152900
View directory record Official record
Conditions
Fat Necrosis, Muscle Stimulation
Interventions
Accufit
Device
Lead sponsor
CynosureLutronic
Industry
Eligibility
18 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Billerica, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Jul 22, 2026, 9:35 PM EDT