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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Flexibility Clear all
Completed Not applicable Interventional

Dry Needling and Stretching vs. Stretching Alone on Hamstring Flexibility in Patients With Knee Pain

NCT02498704
View directory record Official record
Conditions
Mobility Limitation
Interventions
Dry Needling, Sham Needling
Procedure · Other
Lead sponsor
Keller Army Community Hospital
Federal
Eligibility
18 Years to 40 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
West Point, New York
Source: ClinicalTrials.gov public record
Updated Feb 22, 2016 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cognitive Flexibility Training for Persistent Pain: Neuroimaging Pilot (COFLEX-i)

NCT03720821
View directory record Official record
Conditions
Chronic Pain, Knee Pain Chronic, Hip Pain Chronic, Back Pain
Interventions
Cognitive Training + fMRI
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 12, 2022 · Synced Jul 21, 2026, 5:37 PM EDT
Terminated Phase 1 Interventional

Psychosocial Benefits of Exercise in Endometrial Cancer Survivors

NCT01401829
View directory record Official record
Conditions
Endometrial Cancer
Interventions
150 weekly minutes walking, 75 weekly minutes walking, Stretching/Flexibility exercise
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Springfield, Illinois
Source: ClinicalTrials.gov public record
Updated May 11, 2015 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Most Effective Intervention for Reducing Posterior Shoulder Tightness Acutely in the Post-operative Population

NCT01810211
View directory record Official record
Conditions
Postoperative Posterior Shoulder Tightness
Interventions
Horizontal Adduction Stretch and Pendulums, Modified Sleeper Stretch and Pendulum
Other
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 25, 2014 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Twin Hearts Meditation on Mood, Cognitive Functioning, and EEG Dynamics

NCT07005830
View directory record Official record
Conditions
Positive Mood States, Negative Mood States, Cognitive Processing Speed, Cognitive Flexibility
Interventions
Twin Hearts Meditation
Behavioral
Lead sponsor
NeuroMeditation Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Jul 21, 2026, 5:37 PM EDT
Active, not recruiting Not applicable Interventional

Intervention-Induced Plasticity of Flexibility and Learning Mechanisms in ASD

NCT05131659
View directory record Official record
Conditions
Executive Dysfunction, Autism Spectrum Disorder, Adolescent Behavior
Interventions
Executive function group therapy
Behavioral
Lead sponsor
Children's National Research Institute
Other
Eligibility
14 Years to 18 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Jul 21, 2026, 5:37 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 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The STRENGTHEN Study

NCT06267521
View directory record Official record
Conditions
Cognitive Flexibility, Emotional Regulation
Interventions
Healthy Minds Program, Sham Meditation Didactic Material, Sham Stimulation in Lab, Stimulation in Lab, MRI Scanner
Other · Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Jul 21, 2026, 5:37 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Leveraging Regulatory Flexibility for Methadone Take-Home Dosing to Improve Retention in Treatment for Opioid Use Disorder

NCT05675735
View directory record Official record
Conditions
Problems Related to Social Environment
Interventions
Clinic-Level Multidimensional Intervention
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
318 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
4
States / cities
Storrs, Connecticut • Buffalo, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Study on Training Emerging Adults Skills in Navigating College

NCT05560425
View directory record Official record
Conditions
Alcohol Abuse, Cognitive Deficit in Attention
Interventions
Koru Mindfulness (KM) Training, Navigating College (NC) Training
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 19 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 25, 2024 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional

Acceptance and Commitment Therapy Principles for Diabetes Prevention

NCT05260983
View directory record Official record
Conditions
PreDiabetes, Diabetes Mellitus, Type 2, Diabetes, Diabetes type2
Interventions
Diabetes Prevention Education and Acceptance and Commitment Therapy, Diabetes Prevention Education Only
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
18 Years and older
Enrollment
301 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional

ACT for Infertility: Case Series

NCT06388044
View directory record Official record
Conditions
Infertility, Psychological Distress, Acceptance and Commitment Therapy, Psychological Flexibility
Interventions
Acceptance and Commitment Therapy
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Jul 21, 2026, 5:37 PM EDT
Not yet recruiting Not applicable Interventional

A Study Testing a Digital, Gamified Early Intervention for Eating Disorders ("FlexED")

NCT07632248
View directory record Official record
Conditions
Eating Disorders, Body Image
Interventions
FlexED, Educational Control
Behavioral
Lead sponsor
Duke University
Other
Eligibility
15 Years to 25 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Flexibility as a Biomarker of Adaptation to Diet and Exercise Challenges

NCT01987388
View directory record Official record
Conditions
Healthy Volunteers
Interventions
High Intensity Exercise, Low Intensity Exercise, High Carbohydrate Beverage, High Fat Beverage
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
22 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Jul 21, 2026, 5:37 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Age-Related Gait Changes and Hip Flexibility

NCT00924261
View directory record Official record
Conditions
Gait, Flexibility
Interventions
Hip Stretch, Shoulder Stretch
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 85 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 3, 2009 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D's Effect on Physical Performance in the Elderly

NCT02066441
View directory record Official record
Conditions
Family Member
Interventions
Bio-D-Mulsion Forte®, Placebo
Dietary Supplement · Other
Lead sponsor
University of Miami
Other
Eligibility
55 Years and older
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 18, 2015 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fuel Utilization, Diet Composition, and Exercise in African American Women

NCT04293367
View directory record Official record
Conditions
Obesity, Diabetes, Insulin Resistance
Interventions
High Intensity Interval Training (HIIT)
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 2, 2020 · Synced Jul 21, 2026, 5:37 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Health-Related Physical Fitness Level From Smartwatches

NCT06805422
View directory record Official record
Conditions
Exercise Capacity, Flexibility, Strength and Endurance
Interventions
Not listed
Lead sponsor
Kansas State University
Other
Eligibility
20 Years to 60 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional

Aerobic Exercise, Resistance Exercise, or Flexibility and Relaxation Training in Inactive Older Female Breast Cancer Survivors

NCT00662103
View directory record Official record
Conditions
Breast Cancer, Cancer Survivor, Fatigue, Long-term Effects Secondary to Cancer Therapy in Adults, Psychosocial Effects of Cancer and Its Treatment
Interventions
exercise intervention, laboratory biomarker analysis, questionnaire administration, survey administration, assessment of therapy complications, fatigue assessment and management, management of therapy complications, psychosocial assessment and care
Behavioral · Other · Procedure
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
65 Years to 120 Years · Female only
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 14, 2015 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

This Study Assessed the Impact of Diet on Gastric Emptying Time and Metabolic Flexibility

NCT03630263
View directory record Official record
Conditions
Obesity, Diabetes Mellitus, Type 2, Appetitive Behavior
Interventions
Raw Corn Starch, No Raw Corn Starch
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 15, 2022 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Improving Flexibility With a Mindbody Approach

NCT01066325
View directory record Official record
Conditions
General Low Back Hip and Hamstring Flexibility
Interventions
Neuro Emotional Technique, Stretching Instruction
Behavioral · Other
Lead sponsor
Parker Research Institute
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 19, 2017 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Breaking up Prolonged Sitting on Metabolic Flexibility

NCT02258438
View directory record Official record
Conditions
Health Behavior
Interventions
Uninterrupted sitting, Sitting + 1 bout of activity, Sitting + microbursts of activity
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
19 Years to 45 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 29, 2021 · Synced Jul 21, 2026, 5:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Astaxanthin Reduces Exercising Heart Rate.

NCT05282355
View directory record Official record
Conditions
Metabolic Flexibility
Interventions
Astaxanthin, Placebo
Dietary Supplement
Lead sponsor
University of North Alabama
Other
Eligibility
18 Years to 45 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Florence, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 15, 2022 · Synced Jul 21, 2026, 5:37 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pistachio Snacking and Metabolic Flexibility

NCT07340125
View directory record Official record
Conditions
Overweight (BMI > 25), Obese But Otherwise Healthy Participants, Overweight or Obese, Obese Patients (BMI ≥ 30 kg/m²), Poor Sleep Quality, Healthy Participants, Physically Inactive
Interventions
Pistachio
Other
Lead sponsor
University of South Carolina
Other
Eligibility
25 Years to 45 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Jul 21, 2026, 5:37 PM EDT