[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100608133":3},{"organization":4,"armGroups":7,"interventions":13,"overallOfficials":18,"centralContacts":18,"locations":18,"responsibleParty":19,"collaborators":18,"id":23,"slug":24,"hasResults":25,"nctId":26,"briefTitle":27,"officialTitle":27,"acronym":18,"eligibilityCriteria":28,"healthyVolunteers":29,"sex":30,"minAge":31,"maxAge":32,"enrollmentInfo":33,"targetDuration":18,"studyType":36,"phases":37,"briefSummary":39,"conditions":40,"keywords":18,"overallStatus":43,"whyStopped":18,"lastUpdateSubmitDate":44,"lastUpdatePostDateStruct":45,"startDateStruct":48,"completionDateStruct":50,"leadSponsor":52,"locationsCount":18},{"fullName":5,"class":6},"Schulthess Klinik","OTHER",[8],{"label":9,"type":6,"description":10,"interventionNames":11},"Calf Raise Test (CRT) App","The validated CRT App allows to accurately measure work, power and peak height in in individuals performing the calf raise test.",[12],"Other: Calf Raise Test",[14],{"type":6,"name":15,"description":16,"armGroupLabels":17,"otherNames":18},"Calf Raise Test","The study participants perform three single-leg CRTs (tracked by the CRT App) in a fixed sequence: concentric power, eccentric-concentric power and endurance. ATRC\u002FLAS Individuals start with the affected leg, healthy participants with the dominant leg.",[9],null,{"type":20,"investigatorFullName":21,"investigatorTitle":22,"investigatorAffiliation":5,"oldNameTitle":18,"oldOrganization":18},"PRINCIPAL_INVESTIGATOR","Nicola Maffiuletti","Head of Research Group, Human Performance Lab","100608133","validity-and-reliability-of-calf-raise-tests-in-patients-with-achilles-tendon-rupture-and-lateral-ankle-sprain-100608133",false,"NCT07197593","Validity and Reliability of Calf Raise Tests in Patients With Achilles Tendon Rupture and Lateral Ankle Sprain","General Inclusion Criteria:\n\n* Signed informed consent\n* Aged 18-65 years\n* German or English speaking\n\nInclusion Criteria:\n\nLAS individuals: Unilateral LAS 4-16 weeks post-injury diagnosed by a physician as LAS, supination trauma, ankle distortion or ligamentous ankle injury.\n\nATR individuals: Unilateral ATR 6- 24 months post-injury\u002Fsurgery (surgical or conservative treatment).\n\nHealthy controls: Matched to Patients by Group Level: Physical Activity, Age and Gender.\n\nExclusion Criteria:\n\nLAS individuals: Medial Ligament injuries (Grade II or III) ATR individuals: Previous ATR\n\nGeneral Exclusion Criteria:\n\n* Chronic Ankle Instability (defined by symptoms such as giving way, perceived instability and at least one LAS within the last 6 months)\n* Previous ATR\n* Other lower limb injury and\u002For surgery in the last year (e.g. fractures, ligament reconstructions or other conditions resulting in ≥ 6 months of sports inactivity)\n* Impaired motor function of the lower limb due to neurovascular or neurological diseases\n* Vestibular or visual disturbances\n* Or any other pathoanatomic abnormality that would affect motor performance (e.g. foot arthrodesis, toe amputation\u002Fmissing toes or other conditions such as joint deformities, severe chronic pain).",true,"ALL","18 Years","65 Years",{"count":34,"type":35},70,"ESTIMATED","INTERVENTIONAL",[38],"NA","This study aims to evaluate the validity and reliability of clinically used Calf Raise Test parameters (collected with the \"the Calf Raise App\") between patients with Lateral Ankle Sprain or Achilles Tendon Repair and healthy controls.",[41,42],"Achilles Tendon","Ankle Sprain","NOT_YET_RECRUITING","2025-09-22",{"date":46,"type":47},"2025-09-29","ACTUAL",{"date":49,"type":35},"2025-10-01",{"date":51,"type":35},"2026-05-31",{"name":5,"class":6}]