[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100593990":3},{"organization":4,"armGroups":7,"interventions":26,"overallOfficials":38,"centralContacts":57,"locations":67,"responsibleParty":86,"collaborators":38,"id":89,"slug":38,"hasResults":90,"nctId":91,"briefTitle":92,"officialTitle":93,"acronym":94,"eligibilityCriteria":95,"healthyVolunteers":90,"sex":96,"minAge":97,"maxAge":98,"enrollmentInfo":99,"targetDuration":38,"studyType":102,"phases":103,"briefSummary":105,"conditions":106,"keywords":111,"overallStatus":122,"whyStopped":38,"lastUpdateSubmitDate":123,"lastUpdatePostDateStruct":124,"startDateStruct":127,"completionDateStruct":129,"leadSponsor":131,"locationsCount":132},{"fullName":5,"class":6},"Cairo University","OTHER",[8,16,21],{"label":9,"type":10,"description":11,"interventionNames":12},"Arm A (general hamstring stretch group)","ACTIVE_COMPARATOR","* General hamstring Muscle energy technique (MET)\n* TENS 20 min\n* Hip\u002Fknee strengthening program",[13,14,15],"Device: Transcutaneous Electrical Nerve Stimulation Device","Other: Strength exercises for lower limb","Other: Hamstring Stretch Muscle Energy Technique(MET) (General )",{"label":17,"type":10,"description":18,"interventionNames":19},"Arm B (medial hamstring stretch)","* Medial hamstring MET\n* TENS 20 min\n* Hip\u002Fknee strengthening program",[13,14,20],"Other: Medial Hamstring Muscle energy technique(MET) stretch",{"label":22,"type":10,"description":23,"interventionNames":24},"Arm C (lateral hamstring stretch)","* Lateral hamstring MET\n* TENS 20 min\n* Hip\u002Fknee strengthening program",[13,14,25],"Other: Lateral hamstring Muscle Energy Technique(MET)Stretch",[27,34,39,45,51],{"type":28,"name":29,"description":30,"armGroupLabels":31,"otherNames":32},"DEVICE","Transcutaneous Electrical Nerve Stimulation Device","Each participant will receive 20 minutes of TENS, Electrodes will be positioned around the patella with a 5 - 7 cm distance in between, The TENS settings include a continuous asymmetric biphasic square-pulse wave, a pulse width of 120 microseconds, and a pulse rate of 180 Hz.",[9,17,22],[33],"TENS",{"type":6,"name":35,"description":36,"armGroupLabels":37,"otherNames":38},"Strength exercises for lower limb","Each participant will receive progressive strengthening program targeting the hip and knee, begin with 3 sets of 10 repetitions and progress to 3 sets of 20 repetitions.",[9,17,22],null,{"type":6,"name":40,"description":41,"armGroupLabels":42,"otherNames":43},"Hamstring Stretch Muscle Energy Technique(MET) (General )","The participant will be supine and the leg will be taken into hip flexion until a tightness is felt then patient will be asked to push down with his lower leg and hold the contraction for 10 seconds then relax for 2 to 3 seconds then the therapist will take the patient's leg into further flexion for 30 seconds this will be repeated for 3 times each session .",[9],[44],"Non-Specific hamstring stretch MET",{"type":6,"name":46,"description":47,"armGroupLabels":48,"otherNames":49},"Medial Hamstring Muscle energy technique(MET) stretch","The Participant will be supine' then the therapist will take his leg in flexion, abduction and external rotation at the same time until he feels tightness then he will ask the patient to push his leg down and in or toward him and hold the contraction for 10 seconds then relax for 2 to 3 seconds then therapist will take the patient's leg in more abduction 'external rotation and flexion for 30 seconds, this will be repeated for 3 times each session",[17],[50],"specific medial hamstring MET stretch",{"type":6,"name":52,"description":53,"armGroupLabels":54,"otherNames":55},"Lateral hamstring Muscle Energy Technique(MET)Stretch","The Participant will be supine' then the therapist will take his leg in flexion, adduction and internal rotation at the same time until he feels a tightness then he will ask the patient to push his leg down and out or away from him him and hold the contraction for 10 seconds then relax for 2 to 3 seconds then therapist will take the patient's leg in more adduction 'internal rotation and flexion for 30 seconds, this will be repeated for 3 times each session",[22],[56],"Specific lateral hamstring MET stretch",[58,63],{"name":59,"role":60,"phone":61,"phoneExt":38,"email":62},"Amna Ibrahim Shemila, BSc","CONTACT","201157072513","10722021419373@pg.cu.edu.eg",{"name":64,"role":60,"phone":65,"phoneExt":38,"email":66},"Ahmed Omar Abdelnaeem, lecturer","201140736820","ahmed.omar@pt.cu.edu.eg",[68],{"facility":69,"status":38,"city":70,"state":71,"zip":72,"country":73,"cosmosGeoPoint":74,"geoPoint":79,"contacts":80},"faculty of physical therapy Cairo university","Giza","Giza Governorate","12613","Egypt",{"type":75,"coordinates":76},"Point",[77,78],31.20861,30.00944,{"lat":78,"lon":77},[81,82,84],{"name":59,"role":60,"phone":61,"phoneExt":38,"email":62},{"name":64,"role":60,"phone":83,"phoneExt":38,"email":66},"2011407368020",{"name":59,"role":85,"phone":38,"phoneExt":38,"email":38},"PRINCIPAL_INVESTIGATOR",{"type":85,"investigatorFullName":87,"investigatorTitle":88,"investigatorAffiliation":5,"oldNameTitle":38,"oldOrganization":38},"Amna Ibrahim Mahmoud Mohammed Shemila","principal investigator","100593990",false,"NCT07013617","Effect of Specific Versus General Hamstring Stretch on Clinical Outcomes in Patellofemoral Pain Syndrome (PFPS)","Effect Of Hamstring Stretch On Clinical Outcomes In Patellofemoral Pain Syndrome","PFPS","Inclusion Criteria:\n\n* Anterior or retropatellar knee pain lasting at least three months\n* Pain reproduced by at least two functional tasks: squatting, kneeling, prolonged sitting, stair climbing, hopping or running\n* Pain intensity of ≥3 on a Visual Analog Scale\n* positive active knee extension test (inability to achieve greater than 160° of knee extension with the hip at 90° of flexion)\n* Body mass index (BMI) \\\u003C 30 Kg\u002Fm² and \\> 18Kg\u002Fm²\n\nExclusion Criteria:\n\n* Previous knee surgery\n* History of knee pathologies, such as meniscal injury' ligament injury, or knee osteoarthritis\n* Psychological, cardiovascular' or neurological disorders\n* Dizziness or fainting while doing exercises, pregnancy, or any contraindications to exercise\n* Physical therapy treatment in the last 3 months","ALL","18 Years","37 Years",{"count":100,"type":101},60,"ESTIMATED","INTERVENTIONAL",[104],"NA","This randomized, Single-blind, parallel-group trial will compare the effects of three hamstring stretching interventions-general hamstring Muscle Energy Technique (MET), medial hamstring MET, and lateral hamstring MET-each combined with standardized TENS and progressive hip\u002Fknee strengthening, on hamstring flexibility (knee-extension ROM), anterior knee pain (Arabic Kujala score), pain intensity visual analogue scale (VAS), and lower-limb strength (hand-held dynamometer) in adults with patellofemoral pain syndrome (PFPS).",[107,108,109,110],"Hamstring Shortness","Patellofemoral Pain Syndrome","Hamstring Flexibility","Patellofemoral Pain (PFPS)",[112,94,113,114,115,116,117,118,33,119,120,121],"patellofemoral pain syndrome","hamstring flexibility","active knee extension test","medial hamstring","lateral hamstring","specific hamstring stretch","Muscle Energy Technique","Visual Analogue Scale","Hand Held Dynamometer (HHD)","Kujala Score","NOT_YET_RECRUITING","2025-06-11",{"date":125,"type":126},"2025-06-15","ACTUAL",{"date":128,"type":101},"2025-06-14",{"date":130,"type":101},"2025-11",{"name":5,"class":6},1]