[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100658143":3},{"organization":4,"outcomesModule":7,"designInfo":20,"detailedDescription":19,"studyPopulation":19,"armGroups":29,"interventions":41,"overallOfficials":49,"centralContacts":54,"locations":60,"responsibleParty":74,"collaborators":19,"id":76,"slug":77,"hasResults":78,"nctId":79,"briefTitle":80,"officialTitle":81,"acronym":19,"eligibilityCriteria":82,"healthyVolunteers":83,"sex":84,"minAge":85,"maxAge":86,"enrollmentInfo":87,"targetDuration":19,"studyType":90,"phases":91,"briefSummary":93,"conditions":94,"keywords":98,"overallStatus":100,"whyStopped":19,"lastUpdateSubmitDate":101,"lastUpdatePostDateStruct":102,"startDateStruct":105,"completionDateStruct":107,"leadSponsor":109,"locationsCount":110},{"fullName":5,"class":6},"Ibadat International University, Islamabad","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":19,"otherOutcomes":19},[9,13,16],{"measure":10,"description":11,"timeFrame":12},"Change in calf muscle strength","estimated 1RM via Brzycki formula, submaximal unilateral calf raise","Baseline (Week 0) and Week 4",{"measure":14,"description":15,"timeFrame":12},"Change in explosive power","standing long jump distance, cm",{"measure":17,"description":18,"timeFrame":12},"Change in sprint performance","10 m and 30 m sprint time, via My Sprint app",null,{"allocation":21,"interventionModel":22,"interventionModelDescription":19,"primaryPurpose":23,"observationalModel":19,"timePerspective":19,"maskingInfo":24},"RANDOMIZED","PARALLEL","TREATMENT",{"masking":25,"maskingDescription":19,"whoMasked":26},"DOUBLE",[27,28],"PARTICIPANT","OUTCOMES_ASSESSOR",[30,36],{"label":31,"type":32,"description":33,"interventionNames":34},"Group A - Isometric Training","EXPERIMENTAL","4-week progressive isometric calf-hold program at 90° (soleus) and 70° plantarflexion (gastrocnemius) angles, 3 sessions\u002Fweek, intensity increasing from 60% to 80% MVIC",[35],"Other: Isometric Training",{"label":37,"type":32,"description":38,"interventionNames":39},"Group B - Eccentric Training","4-week progressive eccentric calf-raise program in knee-extended and knee-flexed positions, 3 sessions\u002Fweek, reps and added load increasing weekly",[40],"Other: Eccentric Training",[42,45],{"type":6,"name":43,"description":33,"armGroupLabels":44,"otherNames":19},"Isometric Training",[31],{"type":6,"name":46,"description":47,"armGroupLabels":48,"otherNames":19},"Eccentric Training",": 4-week progressive eccentric calf-raise program in knee-extended and knee-flexed positions, 3 sessions\u002Fweek, reps and added load increasing weekly",[37],[50],{"name":51,"affiliation":52,"role":53},"Dr Muhammad Ashar, PhD scholar","ibadat international university","PRINCIPAL_INVESTIGATOR",[55],{"name":56,"role":57,"phone":58,"phoneExt":19,"email":59},"AbdulRehman noor, masters in physiotherapy","CONTACT","03313333733","abody85220@gmail.com",[61],{"facility":62,"status":19,"city":63,"state":19,"zip":19,"country":64,"countryCode":65,"cosmosGeoPoint":66,"geoPoint":71,"contacts":72},"Diamond Cricket Club, Islamabad, Pakistan","Islamabad","Pakistan","PK",{"type":67,"coordinates":68},"Point",[69,70],73.04329,33.72148,{"lat":70,"lon":69},[73],{"name":56,"role":57,"phone":58,"phoneExt":19,"email":59},{"type":75,"investigatorFullName":19,"investigatorTitle":19,"investigatorAffiliation":19,"oldNameTitle":19,"oldOrganization":19},"SPONSOR","100658143","eccentric-versus-isometric-calf-training-in-cricket-players-100658143",false,"NCT07846605","Eccentric Versus Isometric Calf Training in Cricket Players","Comparative Effects of Eccentric Versus Isometric Training on Strength, Power, and Sprint Performance in Calf Muscles for Cricketers","Inclusion criteria:\n\n-In a male cricket player at club\u002Fprovincial\u002Fnational level; currently training ≥3 sessions\u002Fweek (≥45 min each); aged 18-35; able to perform a unilateral calf raise pain-free; able to commit to the full 4-week program and both testing sessions.\n\nExclusion Criteria:\n\n\\- Lower-limb injury in the past 3 months; any history of lower-limb surgery; neurological\u002Fvestibular\u002Fbalance disorder; cardiovascular or metabolic condition contraindicating resistance training; concurrent plyometric\u002Fisometric\u002Feccentric or sprint-specific program; use of ankle\u002Fknee bracing, orthotics, or heel lifts; use of anabolic steroids or performance-enhancing substances; current lower-limb pain or discomfort.",true,"MALE","18 Years","35 Years",{"count":88,"type":89},28,"ESTIMATED","INTERVENTIONAL",[92],"NA","This study aims to compare the effect of isometric exercises and eccentric exercises on calf muscles in cricketers. The exercises will be evaluated for the effectiveness of calf muscle strength, power, and sprinting of the player and enhancing their performance.",[95,96,97],"Strength Endurance","Power","Sprint Performance",[99],"calf muscle, eccentric training, isometric training, sprint performance, cricket, plantar flexors","NOT_YET_RECRUITING","2026-09-23",{"date":103,"type":104},"2026-09-29","ACTUAL",{"date":106,"type":89},"2026-09-10",{"date":108,"type":89},"2028-01-10",{"name":5,"class":6},1]