[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100651020":3},{"organization":4,"armGroups":7,"interventions":24,"overallOfficials":34,"centralContacts":38,"locations":23,"responsibleParty":44,"collaborators":23,"id":47,"slug":48,"hasResults":49,"nctId":50,"briefTitle":51,"officialTitle":52,"acronym":23,"eligibilityCriteria":53,"healthyVolunteers":49,"sex":54,"minAge":55,"maxAge":56,"enrollmentInfo":57,"targetDuration":23,"studyType":60,"phases":61,"briefSummary":63,"conditions":64,"keywords":66,"overallStatus":72,"whyStopped":23,"lastUpdateSubmitDate":73,"lastUpdatePostDateStruct":74,"startDateStruct":77,"completionDateStruct":79,"leadSponsor":81,"locationsCount":23},{"fullName":5,"class":6},"Medipol University","OTHER",[8,14,19],{"label":9,"type":10,"description":11,"interventionNames":12},"Medial Arch Support Group","EXPERIMENTAL","Participants will walk on a treadmill for 30 minutes at a self-selected speed without arch support. After the post-walk assessment and a 30-minute rest period, they will repeat the same walking protocol with a medial arch support placed inside their shoes. Muscle mechanical properties and pain will be assessed before and after the walking sessions.",[13],"Device: Medial Arch Support",{"label":15,"type":10,"description":16,"interventionNames":17},"Insole Group","Participants will walk on a treadmill for 30 minutes at a self-selected speed without an insole. After the post-walk assessment and a 30-minute rest period, they will repeat the same walking protocol with an insole placed inside their shoes. Muscle mechanical properties and pain will be assessed before and after the walking sessions.",[18],"Device: Insole",{"label":20,"type":21,"description":22,"interventionNames":23},"Control Group","NO_INTERVENTION","Participants will walk on a treadmill for 30 minutes at a self-selected speed without an arch support or insole. Muscle mechanical properties and pain will be assessed before and after the walking session. No additional walking session with an orthotic intervention will be performed.",null,[25,30],{"type":26,"name":27,"description":28,"armGroupLabels":29,"otherNames":23},"DEVICE","Insole","An insole will be placed inside the participant's shoe and used during a 30-minute treadmill walking session at a self-selected speed.",[15],{"type":26,"name":31,"description":32,"armGroupLabels":33,"otherNames":23},"Medial Arch Support","A medial arch support will be placed inside the participant's shoe and used during a 30-minute treadmill walking session at a self-selected speed.",[9],[35],{"name":36,"affiliation":5,"role":37},"Onur Koksal","PRINCIPAL_INVESTIGATOR",[39],{"name":40,"role":41,"phone":42,"phoneExt":23,"email":43},"Onur Koksal, PhD","CONTACT","+90 553 321 8117","onur.koksal@medipol.edu.tr",{"type":37,"investigatorFullName":45,"investigatorTitle":46,"investigatorAffiliation":5,"oldNameTitle":23,"oldOrganization":23},"Onur Köksal","Assistant Professor","100651020","acute-effects-of-foot-orthoses-on-muscle-mechanical-properties-in-individuals-with-pes-planus-100651020",false,"NCT07755215","Acute Effects of Foot Orthoses on Muscle Mechanical Properties in Individuals With Pes Planus","Acute Effects of Orthosis Use on Muscle Mechanical Properties in Individuals With Pes Planus: A Randomized Controlled Trial","Inclusion Criteria:\n\n* Aged 18-30 years\n* Diagnosed with unilateral or bilateral pes planus\n* Willing to participate voluntarily in the study\n\nExclusion Criteria:\n\n* History of lower-extremity injury or surgery within the past 6 months\n* Diagnosis of a rheumatologic or neurological condition that may affect foot joint alignment\n* Skin lesions or damage that may prevent the measurements from being performed\n* Current use of an orthosis, such as an insole or wedge, to support pes planus\n* Body mass index (BMI) ≥25 kg\u002Fm² or ≤18.5 kg\u002Fm²\n* Unwilling to participate in the study","ALL","18 Years","30 Years",{"count":58,"type":59},90,"ESTIMATED","INTERVENTIONAL",[62],"NA","This randomized controlled study will examine the acute effects of a medial arch support and a prefabricated insole on lower-limb muscle mechanical properties and pain in young adults with pes planus. Ninety participants will be allocated in a 1:1:1 ratio to a medial arch support group, an insole group, or a control group. Muscle mechanical and viscoelastic properties will be assessed with MyotonPRO, and pain will be assessed with a visual analog scale.",[65],"Flatfoot",[67,68,69,70,71],"flatfoot","pes planus","foot orthoses","muscle mechanical properties","myotonPRO","NOT_YET_RECRUITING","2026-08-05",{"date":75,"type":76},"2026-08-10","ACTUAL",{"date":78,"type":59},"2026-09-01",{"date":80,"type":59},"2027-02-28",{"name":5,"class":6}]