[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"running\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:running":32},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"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":5},"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"]