[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100634504":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":10,"centralContacts":23,"locations":32,"responsibleParty":47,"collaborators":10,"id":51,"slug":52,"hasResults":53,"nctId":54,"briefTitle":55,"officialTitle":56,"acronym":10,"eligibilityCriteria":57,"healthyVolunteers":58,"sex":59,"minAge":60,"maxAge":61,"enrollmentInfo":62,"targetDuration":10,"studyType":65,"phases":10,"briefSummary":66,"conditions":67,"keywords":10,"overallStatus":69,"whyStopped":10,"lastUpdateSubmitDate":70,"lastUpdatePostDateStruct":71,"startDateStruct":74,"completionDateStruct":76,"leadSponsor":78,"locationsCount":79},{"fullName":5,"class":6},"Saglik Bilimleri Universitesi","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Observational Group: Smartphone-Addicted Participants",null,"Participants classified as having smartphone addiction according to the Smartphone Addiction Scale-Short Form will undergo a single-session assessment including daily smartphone screen time, dominant hand grip strength, thumb pinch strength, wrist joint position sense, and thumb joint position sense.",[13],"Other: Assessment Protocol",{"label":15,"type":10,"description":16,"interventionNames":17},"Observational Group: Non-Addicted Participants","Participants classified as not having smartphone addiction according to the Smartphone Addiction Scale-Short Form will undergo the same single-session assessment including daily smartphone screen time, dominant hand grip strength, thumb pinch strength, wrist joint position sense, and thumb joint position sense.",[13],[19],{"type":6,"name":20,"description":21,"armGroupLabels":22,"otherNames":10},"Assessment Protocol","All participants will undergo a standardized assessment protocol including measurement of smartphone addiction level, daily smartphone screen time from the past 7 days, dominant hand grip strength, thumb pinch strength, wrist proprioception, and thumb proprioception in a single session",[15,9],[24,29],{"name":25,"role":26,"phone":27,"phoneExt":10,"email":28},"Esra Pehlivan","CONTACT","+90 0216 777 8 777","esra.pehlivan@sbu.edu.tr",{"name":30,"role":26,"phone":27,"phoneExt":10,"email":31},"Sümeyra Köseoğlu","sumeyrakoseoglu655@gmail.com",[33],{"facility":5,"status":10,"city":34,"state":35,"zip":36,"country":37,"countryCode":10,"cosmosGeoPoint":38,"geoPoint":43,"contacts":44},"Istanbul","Uskudar","34668","Turkey (Türkiye)",{"type":39,"coordinates":40},"Point",[41,42],28.94966,41.01384,{"lat":42,"lon":41},[45],{"name":25,"role":26,"phone":10,"phoneExt":10,"email":46},"fztesrakambur@yahoo.com",{"type":48,"investigatorFullName":49,"investigatorTitle":50,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","ESRA PEHLIVAN","Principal İnvestigator","100634504","smartphone-use-and-hand-function-in-young-adults-100634504",false,"NCT07540546","Smartphone Use and Hand Function in Young Adults","The Relationship Between Daily Smartphone Use Duration and Dominant Hand Grip Strength, Thumb Strength, Wrist and Thumb Proprioception in Young Adults","Inclusion Criteria:\n\n* Healthy adults\n* Aged between 18 and 35 years\n* Voluntary participation in the study\n\nExclusion Criteria:\n\n* History of hand or wrist surgery\n* Fracture or serious injury in the hand\u002Fthumb within the last 6 months\n* Neurological disorders\n* Rheumatologic diseases\n* Cognitive impairment preventing understanding of instructions",true,"ALL","18 Years","35 Years",{"count":63,"type":64},84,"ESTIMATED","OBSERVATIONAL","This observational cross-sectional study aims to investigate the relationship between daily smartphone usage duration and hand function parameters in young adults. Specifically, the study will examine the association between smartphone screen time and dominant hand grip strength, thumb strength, and wrist and thumb proprioception. Healthy individuals aged 18-35 years will be included. All participants will undergo a single-session assessment including measurement of smartphone usage duration, hand grip strength, pinch strength, and joint position sense of the wrist and thumb. The findings are expected to provide insight into the potential effects of prolonged smartphone use on hand function and proprioceptive performance in young adults.",[68],"Smartphone Addiction","NOT_YET_RECRUITING","2026-04-18",{"date":72,"type":73},"2026-04-22","ACTUAL",{"date":75,"type":64},"2026-05-01",{"date":77,"type":64},"2027-05-01",{"name":5,"class":6},1]