{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Quadriceps+Muscle+Strength",
    "query": {
      "condition": "Quadriceps Muscle Strength"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 32,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Quadriceps+Muscle+Strength&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T07:45:34.398Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT01555567",
      "title": "Electrical Stimulation and Eccentric Exercise for Anterior Cruciate Ligament (ACL) Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anterior Cruciate Ligament Injury"
      ],
      "interventions": [
        {
          "name": "Electrical Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Eccentric Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "14 Years to 35 Years"
      },
      "enrollment_count": 43,
      "start_date": "2009-08",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2015-06-08",
      "last_synced_at": "2026-07-22T07:45:34.398Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01555567"
    },
    {
      "nct_id": "NCT06858293",
      "title": "Mental Imagery to Improve Quadriceps Strength Post Anterior Cruciate Ligament Reconstruction: a Feasibility Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anterior Cruciate Ligament Reconstruction"
      ],
      "interventions": [
        {
          "name": "Mental Imagery Open Chain",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mental Imagery Closed Chain",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Marquette University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2025-02-14",
      "completion_date": "2026-01-28",
      "has_results": false,
      "last_update_posted_date": "2025-03-10",
      "last_synced_at": "2026-07-22T07:45:34.398Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06858293"
    },
    {
      "nct_id": "NCT06636045",
      "title": "Blood Flow Restriction Following ACLR w/Quad Autograft",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autografts",
        "Blood Flow Restriction Therapy",
        "Rehabilitation Outcome",
        "Quadriceps Muscle Strength",
        "Anterior Cruciate Ligament Reconstruction"
      ],
      "interventions": [
        {
          "name": "Not applicable- observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "14 Years to 40 Years"
      },
      "enrollment_count": 40,
      "start_date": "2024-09-05",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2025-04-06",
      "last_synced_at": "2026-07-22T07:45:34.398Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06636045"
    },
    {
      "nct_id": "NCT01132365",
      "title": "Knee Arthroplasty Registry",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "any knee joint arthroplasty device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Heekin Orthopedic Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "93 Years",
        "sex": "ALL",
        "summary": "21 Years to 93 Years"
      },
      "enrollment_count": 7793,
      "start_date": "2005-04",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2016-07-26",
      "last_synced_at": "2026-07-22T07:45:34.398Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01132365"
    },
    {
      "nct_id": "NCT01862731",
      "title": "Muscle Strength Loss and Its Effect on Knee Cap Motion in Volunteers With Anterior Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Patellofemoral Pain Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 35,
      "start_date": "2013-05-31",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-07-22T07:45:34.398Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01862731"
    },
    {
      "nct_id": "NCT07094971",
      "title": "Pure Impact Treatment to Strengthen and Tone Abdomen, Quadriceps and Glutes Muscles",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Tone",
        "Muscle Strength"
      ],
      "interventions": [
        {
          "name": "Pure Impact",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sofwave Medical LTD",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "25 Years to 60 Years"
      },
      "enrollment_count": 44,
      "start_date": "2025-07-11",
      "completion_date": "2026-07-10",
      "has_results": false,
      "last_update_posted_date": "2025-08-03",
      "last_synced_at": "2026-07-22T07:45:34.398Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07094971"
    },
    {
      "nct_id": "NCT01080703",
      "title": "To Determine if a Lower Extremity Strengthening Program Improve Quadriceps Muscle Strength",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2010-03",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2014-12-04",
      "last_synced_at": "2026-07-22T07:45:34.398Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01080703"
    },
    {
      "nct_id": "NCT04977804",
      "title": "Eccentric Resistance Training With Blood Flow Restriction on Muscle Function",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Flow Restriction"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "OTHER"
        },
        {
          "name": "Eccentric plus blood-flow restriction",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Utah State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 0,
      "start_date": "2024-03-30",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-12-07",
      "last_synced_at": "2026-07-22T07:45:34.398Z",
      "location_count": 1,
      "location_summary": "Logan, Utah",
      "locations": [
        {
          "city": "Logan",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04977804"
    },
    {
      "nct_id": "NCT04005274",
      "title": "Rate of Force Development vs Isometric Strength of Quadriceps",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Post ACL Reconstruction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "14 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2019-03-08",
      "completion_date": "2019-04-08",
      "has_results": false,
      "last_update_posted_date": "2019-07-02",
      "last_synced_at": "2026-07-22T07:45:34.398Z",
      "location_count": 1,
      "location_summary": "West Los Angeles, California",
      "locations": [
        {
          "city": "West Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04005274"
    },
    {
      "nct_id": "NCT02830087",
      "title": "Tourniquet Pressure in Primary Total Knee Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tourniquets",
        "Knee Arthroplasty, Total",
        "Knee Replacement, Total"
      ],
      "interventions": [
        {
          "name": "Tourniquet Cuff Pressure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 21,
      "start_date": "2016-06",
      "completion_date": "2016-09-20",
      "has_results": true,
      "last_update_posted_date": "2018-12-19",
      "last_synced_at": "2026-07-22T07:45:34.398Z",
      "location_count": 2,
      "location_summary": "Bermuda Run, North Carolina • Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Bermuda Run",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02830087"
    }
  ]
}