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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Quadriceps Muscle Strength Clear all
Completed Not applicable Interventional Results available

Electrical Stimulation and Eccentric Exercise for Anterior Cruciate Ligament (ACL) Injury

NCT01555567
View directory record Official record
Conditions
Anterior Cruciate Ligament Injury
Interventions
Electrical Stimulation, Eccentric Exercise
Device · Other
Lead sponsor
University of Michigan
Other
Eligibility
14 Years to 35 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 7, 2015 · Synced Jul 22, 2026, 1:56 AM EDT
Recruiting Not applicable Interventional

Mental Imagery to Improve Quadriceps Strength Post Anterior Cruciate Ligament Reconstruction: a Feasibility Study

NCT06858293
View directory record Official record
Conditions
Anterior Cruciate Ligament Reconstruction
Interventions
Mental Imagery Open Chain, Mental Imagery Closed Chain
Behavioral
Lead sponsor
Marquette University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Jul 22, 2026, 1:56 AM EDT
Enrolling by invitation No phase listed Observational

Blood Flow Restriction Following ACLR w/Quad Autograft

NCT06636045
View directory record Official record
Conditions
Autografts, Blood Flow Restriction Therapy, Rehabilitation Outcome, Quadriceps Muscle Strength, Anterior Cruciate Ligament Reconstruction
Interventions
Not applicable- observational study
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
14 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Jul 22, 2026, 1:56 AM EDT
Not listed No phase listed Observational

Knee Arthroplasty Registry

NCT01132365
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
any knee joint arthroplasty device
Device
Lead sponsor
Heekin Orthopedic Research Institute
Other
Eligibility
21 Years to 93 Years
Enrollment
7,793 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 25, 2016 · Synced Jul 22, 2026, 1:56 AM EDT
Completed No phase listed Observational

Muscle Strength Loss and Its Effect on Knee Cap Motion in Volunteers With Anterior Knee Pain

NCT01862731
View directory record Official record
Conditions
Patellofemoral Pain Syndrome
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 22, 2026, 1:56 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pure Impact Treatment to Strengthen and Tone Abdomen, Quadriceps and Glutes Muscles

NCT07094971
View directory record Official record
Conditions
Muscle Tone, Muscle Strength
Interventions
Pure Impact
Device
Lead sponsor
Sofwave Medical LTD
Industry
Eligibility
25 Years to 60 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced Jul 22, 2026, 1:56 AM EDT
Completed Not applicable Interventional

To Determine if a Lower Extremity Strengthening Program Improve Quadriceps Muscle Strength

NCT01080703
View directory record Official record
Conditions
Pulmonary Disease
Interventions
Exercise
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Jul 22, 2026, 1:56 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Eccentric Resistance Training With Blood Flow Restriction on Muscle Function

NCT04977804
View directory record Official record
Conditions
Blood Flow Restriction
Interventions
Exercise, Eccentric plus blood-flow restriction
Other
Lead sponsor
Utah State University
Other
Eligibility
18 Years to 30 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Logan, Utah
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced Jul 22, 2026, 1:56 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Tourniquet Pressure in Primary Total Knee Arthroplasty

NCT02830087
View directory record Official record
Conditions
Tourniquets, Knee Arthroplasty, Total, Knee Replacement, Total
Interventions
Tourniquet Cuff Pressure
Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
2
States / cities
Bermuda Run, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Jul 22, 2026, 1:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Low Intensity Resistance Training With Partial Blood Flow Restriction for Quadriceps Strengthening

NCT01311206
View directory record Official record
Conditions
Knee Osteoarthritis, Symptomatic Knee Osteoarthritis
Interventions
partial blood flow restriction, Low intensity exercise without partial blood flow restriction
Other
Lead sponsor
University of Iowa
Other
Eligibility
45 Years to 60 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 27, 2011 · Synced Jul 22, 2026, 1:56 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Ultrasound Guided Adductor Canal Block Versus Femoral Nerve Block for Quadriceps Strength and Fall-risk

NCT01655277
View directory record Official record
Conditions
Quadriceps Muscle Weakness, Adductor Muscle Weakness, Fall Risk
Interventions
Ultrasound Guided Adductor Canal Block, Ultrasound Guided Femoral Nerve Block
Procedure
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 31, 2012 · Synced Jul 22, 2026, 1:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pain Inhibition With Neuromuscular Electrical Stimulation

NCT05280522
View directory record Official record
Conditions
Healthy Participants
Interventions
Volitional Contractions (VOL), Neuromuscular Electrical Stimulation (NMES), Noxious Electrical Stimulation (NXES)
Other · Device
Lead sponsor
University of New England
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced Jul 22, 2026, 1:56 AM EDT
Terminated Not applicable Interventional Results available

Effect of All-Stim 2 Quadriceps Treatments on Limb Muscle Strength In Mechanically Ventilated Patients

NCT02332187
View directory record Official record
Conditions
Weakness
Interventions
Active electrical stimulation using an All Stim stimulator, Sham electrical stimulation using an All Stim stimulator
Device
Lead sponsor
Gerald Supinski
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Jul 22, 2026, 1:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Characterizing Clinical and Biomechanical Contributions to Function Following ACL Reconstruction

NCT03132987
View directory record Official record
Conditions
ACL Tears
Interventions
Progressive strengthening program
Other
Lead sponsor
Creighton University
Other
Eligibility
14 Years to 35 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 16, 2017 · Synced Jul 22, 2026, 1:56 AM EDT
Completed Not applicable Interventional

Electrical Stimulation to Strengthen Muscles in the Lower Legs in Patients Requiring Prolonged Mechanical Ventilation

NCT01825135
View directory record Official record
Conditions
Muscle Weakness
Interventions
Neuromuscular electrical stimulation, sham stimulation
Device
Lead sponsor
RML Specialty Hospital
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Hinsdale, Illinois
Source: ClinicalTrials.gov public record
Updated May 2, 2017 · Synced Jul 22, 2026, 1:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessment of Efficacy of Low Intensity Resistance Training in Women at Risk for Symptomatic Knee Osteoarthritis

NCT01440972
View directory record Official record
Conditions
Knee Osteoarthritis, Symptomatic Knee Osteoarthritis
Interventions
partial blood flow restriction (PBFR), low intensity resistance training
Other
Lead sponsor
University of Iowa
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Dec 4, 2016 · Synced Jul 22, 2026, 1:56 AM EDT
Withdrawn Not applicable Interventional

Utilization of a Knee Brace With Extension Swing

NCT05179044
View directory record Official record
Conditions
Osteo Arthritis Knee
Interventions
Guardian Sport Rehabilitator knee brace
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2023 · Synced Jul 22, 2026, 1:56 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Quadriceps Motor Unit Adaptation to Simulated Knee Injury

NCT06999057
View directory record Official record
Conditions
Muscle Inhibition, Knee Injury Simulation
Interventions
Joint Effusion via 60 mL Sterile Saline, Intra-articular Lidocaine, Sham injection
Device · Drug · Other
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 30 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Jul 22, 2026, 1:56 AM EDT
Completed Not applicable Interventional Results available

Ultrasound Guided Adductor Canal Versus Femoral Nerve Blocks for Anterior Cruciate Ligament Reconstruction in Pediatrics

NCT03053401
View directory record Official record
Conditions
Post-operative Pain, Quadriceps Muscle Strength
Interventions
Adductor Canal Block, Femoral Nerve Block, Ultrasound, Stimuplex A needle, local anaesthetic injection, Steroid Drug
Procedure · Device · Drug
Lead sponsor
Akron Children's Hospital
Other
Eligibility
8 Years to 18 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 27, 2020 · Synced Jul 22, 2026, 1:56 AM EDT
Completed Not applicable Interventional

Strengthening Exercise and Quadriceps Force During Walking

NCT01538407
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
Strength Training
Other
Lead sponsor
Frederiksberg University Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 21, 2014 · Synced Jul 22, 2026, 1:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Performance Output With Haptics - Evaluating Athlete Response and Unrealized Potential

NCT06430879
View directory record Official record
Conditions
Muscle Strength, Muscle Weakness
Interventions
VICTORY PATCH, Sham Patch without VTT
Device
Lead sponsor
SuperPatch Limited LLC
Industry
Eligibility
18 Years to 30 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Jul 22, 2026, 1:56 AM EDT
Completed Not applicable Interventional Results available

Muscle Weakness and Post-traumatic Knee OA

NCT01879852
View directory record Official record
Conditions
Meniscectomy
Interventions
Quadriceps intensive strengthening, Standard rehabilitation
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
15 Years to 35 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 30, 2014 · Synced Jul 22, 2026, 1:56 AM EDT
Terminated Not applicable Interventional

Treatment of Muscle Weakness in Critically Ill Patients

NCT02247895
View directory record Official record
Conditions
Critical Illness, Respiratory Failure, Myopathy, Weakness
Interventions
Sham Treatment, Electrical stimulation
Device
Lead sponsor
Gerald Supinski
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 21, 2020 · Synced Jul 22, 2026, 1:56 AM EDT