[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"sport\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:sport":31},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,2,0,[8,56],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":16,"sex":17,"minAge":18,"maxAge":19,"enrollmentInfo":20,"targetDuration":4,"studyType":23,"phases":24,"briefSummary":26,"conditions":27,"keywords":34,"overallStatus":43,"whyStopped":4,"lastUpdateSubmitDate":44,"lastUpdatePostDateStruct":45,"startDateStruct":48,"completionDateStruct":50,"leadSponsor":52,"locationsCount":55},"100648165","comparison-between-eccentric-hamstring-training-and-sprint-specific-training-100648165",false,"NCT07716319","Comparison Between Eccentric Hamstring Training and Sprint-Specific Training","Comparison Between Eccentric Hamstring Strength Training and Sprint-Specific Training on Muscle Hypertrophy, Strength, Power, and Sprint Performance in Club Sport Collegiate Athletes","Inclusion Criteria:\n\n* Age 18-25 years\n* Actively participating in a club team\n* \\>6 months experience with resistance training\n* Minimum of 1 year experience at the high school level in organized team sport\n* No history of hamstring injury within the last 6 months\n* No history of major lower extremity surgery (including back)\n* No acute musculoskeletal injury to the lower extremity\n* Not currently pregnant\n\nExclusion Criteria:\n\n* Unable to refrain from resistance training outside the study\n* Unable to make at least 80% of the training sessions\n* Hamstring injury in the last 6 months\n* History of major lower extremity surgery (including back)\n* Acute musculoskeletal injury to the lower extremity\n* Currently pregnant",true,"ALL","18 Years","25 Years",{"count":21,"type":22},90,"ESTIMATED","INTERVENTIONAL",[25],"NA","The purpose of this study is to compare the effects of an intensity-, volume-, and time under tension-matched eccentric hamstring exercise intervention with the Romanian deadlift (RDL) and the Nordic hamstring exercise (NHE) to a sprint-specific training program on hamstring muscle architecture, volume, sprint performance, strength, and power.\n\nParticipants will be assigned to complete one of the 3 hamstring interventions for 10 weeks.",[28,29,30,31,32,33],"Healthy Adult","Athlete","Exercise Training","Sport","Running","Ultrasound Imaging",[35,36,37,38,39,40,41,42],"strength","agility","sprint","hypertrophy","countermovement jump","fascicle length","hamstring","range of motion","NOT_YET_RECRUITING","2026-07-15",{"date":46,"type":47},"2026-07-21","ACTUAL",{"date":49,"type":22},"2026-09",{"date":51,"type":22},"2027-09",{"name":53,"class":54},"University of Wisconsin, Madison","OTHER",1,{"id":57,"slug":58,"hasResults":11,"nctId":59,"briefTitle":60,"officialTitle":61,"acronym":62,"eligibilityCriteria":63,"healthyVolunteers":16,"sex":64,"minAge":18,"maxAge":4,"enrollmentInfo":65,"targetDuration":4,"studyType":23,"phases":67,"briefSummary":68,"conditions":69,"keywords":73,"overallStatus":78,"whyStopped":4,"lastUpdateSubmitDate":79,"lastUpdatePostDateStruct":80,"startDateStruct":82,"completionDateStruct":84,"leadSponsor":85,"locationsCount":55},"100628203","tpct-underwater-rugby-women-100628203","NCT07458581","TPCT Underwater Rugby Women","Effects of a Tactical Programme for Critical Thinking (TPCT) on Tactical Efficiency in Elite Women's Underwater Rugby: a Randomised Controlled Trial","TPCT-UWRW","Inclusion Criteria:\n\n* Female elite underwater rugby players aged ≥18 years.\n* Officially rostered members of the participating high-performance team\u002Fsquad.\n* Regular training participation (minimum 2 sessions per week) in the team's programme.\n* Able to complete study procedures at Baseline (Visit 1) and Post-intervention at 6 weeks (Visit 2), including standardized 3v3 scrimmage video assessment.\n* Willing and able to provide written informed consent.\n\nExclusion Criteria:\n\n* Current injury, illness, or medical condition that prevents full participation in regular underwater rugby training during the intervention period.\n* Anticipated prolonged absence (e.g., travel\u002Fcompeting\u002Fother commitments) that would prevent meaningful exposure to the intervention dose (e.g., missing \\>20% of sessions).\n* Inability to complete the assessment procedures reliably (e.g., unable to participate in the standardized 3v3 assessment or comply with study instructions).\n* Declines participation or withdraws consent.","FEMALE",{"count":66,"type":22},26,[25],"This randomized controlled trial evaluates whether adding a short, structured team-reflection protocol (Tactical Programme for Critical Thinking, TPCT) to regular elite women's underwater rugby training improves tactical efficiency. Both groups complete the same training content and time; the TPCT group uses brief guided discussion during recovery intervals, while the control group uses the same time for passive recovery. Tactical efficiency is assessed using video-recorded 3v3 scrimmages coded with the RUSTAC checklist at baseline and after 6 weeks.",[70,31,71,72],"Tactical Index","Sport Participation","Teamwork",[74,75,76,77],"Tactics","Critical thinking","Team sports","Underwater rugby","RECRUITING","2026-03-05",{"date":81,"type":47},"2026-03-09",{"date":83,"type":22},"2026-05",{"date":49,"type":22},{"name":86,"class":54},"Federal University of Vicosa"]