[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100644588":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":29,"centralContacts":34,"locations":40,"responsibleParty":56,"collaborators":17,"id":59,"slug":60,"hasResults":61,"nctId":62,"briefTitle":63,"officialTitle":64,"acronym":17,"eligibilityCriteria":65,"healthyVolunteers":61,"sex":66,"minAge":67,"maxAge":17,"enrollmentInfo":68,"targetDuration":17,"studyType":71,"phases":72,"briefSummary":74,"conditions":75,"keywords":78,"overallStatus":83,"whyStopped":17,"lastUpdateSubmitDate":84,"lastUpdatePostDateStruct":85,"startDateStruct":88,"completionDateStruct":90,"leadSponsor":92,"locationsCount":93},{"fullName":5,"class":6},"Escola Superior de Tecnologia da Saúde do Porto","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Experimental group","EXPERIMENTAL","Psoas major stretching",[13],"Other: Psoas stretching technique",{"label":15,"type":16,"description":17,"interventionNames":18},"Control group","PLACEBO_COMPARATOR",null,[19],"Other: Placebo",[21,25],{"type":6,"name":22,"description":23,"armGroupLabels":24,"otherNames":17},"Psoas stretching technique","The patient is positioned supine at the edge of the table. The investigator places their hands on both of the participant's knees, applying gentle downward pressure on the ipsilateral knee to stretch the psoas major muscle. This stretch is held for 30 seconds and performed bilaterally (once on each side) to the experimental group.",[9],{"type":6,"name":26,"description":27,"armGroupLabels":28,"otherNames":17},"Placebo","Patient is positioned supine at the edge of the table. The investigator places one hand on the participant's ipsilateral knee without applying any pressure or force, and the other hand on the contralateral knee for stabilization. This position is maintained for 30 seconds to match the duration of the experimental intervention. The technique was performed bilaterally (once on each side) to the control group.",[15],[30],{"name":31,"affiliation":32,"role":33},"Natália MO Campelo","ESS","PRINCIPAL_INVESTIGATOR",[35],{"name":36,"role":37,"phone":38,"phoneExt":17,"email":39},"Natália MO Campelo, PhD","CONTACT","+351 222 061 000","nmc@ess.ipp.pt",[41],{"facility":42,"status":17,"city":43,"state":17,"zip":44,"country":45,"countryCode":46,"cosmosGeoPoint":47,"geoPoint":52,"contacts":53},"Escola Superior de Saúde do Porto","Porto","4200-072","Portugal","PT",{"type":48,"coordinates":49},"Point",[50,51],-8.61097,41.1485,{"lat":51,"lon":50},[54],{"name":36,"role":37,"phone":55,"phoneExt":17,"email":39},"+35122 206 1000",{"type":33,"investigatorFullName":57,"investigatorTitle":58,"investigatorAffiliation":5,"oldNameTitle":17,"oldOrganization":17},"Natália Maria Oliveira Campelo","Principal Investigator","100644588","psoas-major-muscle-intervention-on-chronic-lumbar-pain-in-cleaning-professionals-100644588",false,"NCT07672197","Psoas Major Muscle Intervention on Chronic Lumbar Pain in Cleaning Professionals.","Influence of the Stretching Technique on the Psoas Major Muscle on Chronic Lumbar Pain in Cleaning Professionals: Randomized Controlled Trial.","Inclusion Criteria:\n\n* Being a cleaning professional for at least 4 years\n* Report at least 1 episode of lumbar pain in the last 3 months\n\nExclusion Criteria:\n\n* Any severe spinal condition (such as spondylolisthesis, spine fracture, etc.)\n* Any severe neurological or rheumatological condition\n* Pregnancy\n* Daily use of pain medication","ALL","18 Years",{"count":69,"type":70},30,"ESTIMATED","INTERVENTIONAL",[73],"NA","The goal of this randomized controlled trial is to determine the effect of a psoas major muscle intervention on non-specific and chronic lumbar pain in cleaning professionals. It is expected that this intervention will reduce the severity and frequency of symptoms. This study aims to evaluate the effect of psoas major stretching techniques. To collect data, participants will rate their pain intensity on a numeric pain scale at rest and during maximal lumbar flexion. Secondary variables include lumbar flexion range of motion (ROM), assessed by the Schöber test, and hip ROM, which will be measured before and after the intervention using a digital goniometer.",[76,77],"Lumbar Pain","Non-specific Low Back Pain (NSLBP)",[79,80,81,82],"manual therapy","cleaning professionals","psoas major","stretching technique","NOT_YET_RECRUITING","2026-06-25",{"date":86,"type":87},"2026-06-26","ACTUAL",{"date":89,"type":70},"2026-07",{"date":91,"type":70},"2026-09",{"name":5,"class":6},1]