[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100641610":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":25,"centralContacts":25,"locations":30,"responsibleParty":50,"collaborators":25,"id":54,"slug":55,"hasResults":56,"nctId":57,"briefTitle":58,"officialTitle":59,"acronym":25,"eligibilityCriteria":60,"healthyVolunteers":56,"sex":61,"minAge":62,"maxAge":63,"enrollmentInfo":64,"targetDuration":25,"studyType":67,"phases":68,"briefSummary":70,"conditions":71,"keywords":73,"overallStatus":33,"whyStopped":25,"lastUpdateSubmitDate":82,"lastUpdatePostDateStruct":83,"startDateStruct":86,"completionDateStruct":88,"leadSponsor":90,"locationsCount":91},{"fullName":5,"class":6},"Poznan University of Physical Education","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Percussion Therapy Arm","EXPERIMENTAL","Subjects receiving percussion therapy using a massage device. Theragun device applied to dominant side of upper trapezius muscle. Session duration: 3 minutes.",[13],"Device: Percussion Therapy",{"label":15,"type":10,"description":16,"interventionNames":17},"Longitudinal Stripping Massage Arm","Subjects receiving manual longitudinal stripping massage. Longitudinal stripping massage of dominant side of upper trapezius muscle. Session duration: 3 minutes.",[18],"Other: Longitudinal stripping masage",[20,26],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"DEVICE","Percussion Therapy","Theragun device applied to dominant side of upper trapezius muscle. Session duration: 3 minutes.",[9],null,{"type":6,"name":27,"description":28,"armGroupLabels":29,"otherNames":25},"Longitudinal stripping masage","Longitudinal stripping massage of dominant side of upper trapezius muscle. Session duration: 3 minutes.",[15],[31],{"facility":32,"status":33,"city":34,"state":25,"zip":35,"country":36,"countryCode":37,"cosmosGeoPoint":38,"geoPoint":43,"contacts":44},"Poznań University of Physical Education","RECRUITING","Poznan","61-871","Poland","PL",{"type":39,"coordinates":40},"Point",[41,42],16.92993,52.40692,{"lat":42,"lon":41},[45],{"name":46,"role":47,"phone":48,"phoneExt":25,"email":49},"Dawid Łochyński, PhD, Assoc. Prof.","CONTACT","(61) 835 54 49","lochynski@awf.poznan.pl",{"type":51,"investigatorFullName":52,"investigatorTitle":53,"investigatorAffiliation":5,"oldNameTitle":25,"oldOrganization":25},"PRINCIPAL_INVESTIGATOR","Dawid Łochyński","PhD, Associate Professor","100641610","longitudinal-stripping-massage-vs-percussion-device-for-neck-pain-ultrasound-study-100641610",false,"NCT07630142","Longitudinal Stripping Massage vs. Percussion Device for Neck Pain: Ultrasound Study.","The Effect of Percussion Therapy on Neck Functional Disability, Pain and Upper Trapezius Muscle Properties Assessed by Elastography and Doppler Ultrasound in Patients With Neck Pain.","Inclusion Criteria:\n\n* Age: 18-60 years\n* Neck pain persisting for at least 3 months\n* Visual Analog Scale (VAS) score between 3 and 7\n* Neck Disability Index (NDI) between 30% and 48%\n\nExclusion Criteria:\n\n* Pregnancy and postpartum period\n* History of cervical spine or shoulder surgery\n* Diagnosed fibromyalgia, radiculopathy, or myelopathy\n* Myofascial therapy within the last 3 months\n* Use of analgesic medication within 48 hours before assessment\n* Venous diseases","ALL","18 Years","60 Years",{"count":65,"type":66},35,"ESTIMATED","INTERVENTIONAL",[69],"NA","This study evaluates whether a single session of percussion therapy can reduce muscle tension and increase blood flow in the transverse cervical artery in individuals with neck pain. The investigators will evaluate muscle stiffness using ultrasound elastography, and assess blood flow in the transverse cervical artery via Doppler imaging before and after treatment. The primary objective is to determine how this therapy affects neck muscle relaxation and vascular responses, specifically within the upper trapezius region.",[72],"Chronic Neck Pain",[74,75,76,77,78,79,80,81],"neck pain","longitudinal stripping massage","percussion massage","trapezius","elastography","shear wave","Doppler ultrasound","cervical pain","2026-06-14",{"date":84,"type":85},"2026-06-17","ACTUAL",{"date":87,"type":66},"2026-06-01",{"date":89,"type":66},"2029-06-01",{"name":5,"class":6},1]