[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100599475":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":24,"centralContacts":41,"locations":50,"responsibleParty":67,"collaborators":69,"id":74,"slug":75,"hasResults":76,"nctId":77,"briefTitle":78,"officialTitle":79,"acronym":24,"eligibilityCriteria":80,"healthyVolunteers":81,"sex":82,"minAge":83,"maxAge":84,"enrollmentInfo":85,"targetDuration":24,"studyType":88,"phases":89,"briefSummary":91,"conditions":92,"keywords":94,"overallStatus":52,"whyStopped":24,"lastUpdateSubmitDate":102,"lastUpdatePostDateStruct":103,"startDateStruct":106,"completionDateStruct":108,"leadSponsor":110,"locationsCount":111},{"fullName":5,"class":6},"TOPMED","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Repeated measures intervention group","EXPERIMENTAL","Participants will perform 5 different intervention sessions:\n\nAn adjustment and practice session which is always performed first, then participants will performed 4 lifting tasks sessions in randomized order:\n\n* No trunk assistance session\n* Uplift Lite exoskeleton session\n* Biolift exoskeleton session\n* Laevo Flex exoskeleton session\n\nDuring each lifting task session, participants will perform 3 blocks of 20 minutes of the lifting task. The lifting task is a box transfer tasks from the ground to a table adjusted at hip height. The task rythm is 7 cycles per minute. The box weight is equivalent to 10% of their maximal lifting strength. The handles of the box are positioned at 28 cm above the bottom of the box. Total session duration is about 3 hours for all sessions. Participants will have between 4 and 14 days of rest in between each sessions.",[13,14,15,16,17],"Device: Adjustment and practice session","Device: No trunk assistance","Device: Uplift Lite exoskeleton","Device: Biolift exoskeleton","Device: Laevo Flex exoskeleton",[19,25,29,33,37],{"type":20,"name":21,"description":22,"armGroupLabels":23,"otherNames":24},"DEVICE","Adjustment and practice session","During the adjustment and practice session, participants will perform the lifting task with each exoskeleton after they are properly fitted. They will also perform the measurement sequence as to limit learning effects during lifting task sessions. The lifting task is a box transfer tasks from the ground to a table adjusted at the participant's hip height. The task rhythm is 7 cycles per minute. The box weight is equivalent to 10% of their maximal lifting strength. Total session duration is about 3 hours.",[9],null,{"type":20,"name":26,"description":27,"armGroupLabels":28,"otherNames":24},"No trunk assistance","This lifting task session is performed without any trunk assistance exoskeleton. Participants perform 3 blocks of 20 minutes of the lifting task. The lifting task is a box transfer tasks from the ground to a table adjusted at the participant's hip height. The task rhythm is 7 cycles per minute. The box weight is equivalent to 10% of their maximal lifting strength. Total session duration is about 3 hours.",[9],{"type":20,"name":30,"description":31,"armGroupLabels":32,"otherNames":24},"Uplift Lite exoskeleton","This lifting task session is performed with the Mawashi Uplift Lite trunk assistance exoskeleton. Participants will perform 3 blocks of 20 minutes of the lifting task. The lifting task is a box transfer tasks from the ground to a table adjusted at the participant's hip height. The task rhythm is 7 cycles per minute. The box weight is equivalent to 10% of their maximal lifting strength. Total session duration is about 3 hours.",[9],{"type":20,"name":34,"description":35,"armGroupLabels":36,"otherNames":24},"Biolift exoskeleton","This lifting task session is performed with the Biolift trunk assistance exoskeleton. Participants perform 3 blocks of 20 minutes of the lifting task. The lifting task is a box transfer tasks from the ground to a table adjusted at the participant's hip height. The task rhythm is 7 cycles per minute. The box weight is equivalent to 10% of their maximal lifting strength. Total session duration is about 3 hours.",[9],{"type":20,"name":38,"description":39,"armGroupLabels":40,"otherNames":24},"Laevo Flex exoskeleton","This lifting task session is performed with the Leavo Flex trunk assistance exoskeleton. Participants perform 3 blocks of 20 minutes of the lifting task. The lifting task is a box transfer tasks from the ground to a table adjusted at the participant's hip height. The task rhythm is 7 cycles per minute. The box weight is equivalent to 10% of their maximal lifting strength. Total session duration is about 3 hours.",[9],[42,47],{"name":43,"role":44,"phone":45,"phoneExt":24,"email":46},"Edith Martin, Ph.D","CONTACT","4187801301","emartin@topmed.ca",{"name":48,"role":44,"phone":24,"phoneExt":24,"email":49},"Gabriel Diamond Ouellette, Ph.D","gdiamondouellette@topmed.ca",[51],{"facility":5,"status":52,"city":53,"state":54,"zip":55,"country":56,"countryCode":57,"cosmosGeoPoint":58,"geoPoint":63,"contacts":64},"RECRUITING","Québec","Quebec","G1S1C1","Canada","CA",{"type":59,"coordinates":60},"Point",[61,62],-71.21454,46.81228,{"lat":62,"lon":61},[65,66],{"name":43,"role":44,"phone":45,"phoneExt":24,"email":46},{"name":48,"role":44,"phone":24,"phoneExt":24,"email":49},{"type":68,"investigatorFullName":24,"investigatorTitle":24,"investigatorAffiliation":24,"oldNameTitle":24,"oldOrganization":24},"SPONSOR",[70,72],{"name":71,"class":6},"Institut de Recherche Robert-Sauvé en Santé et en Sécurité du Travail",{"name":73,"class":6},"Natural Sciences and Engineering Research Council, Canada","100599475","evaluation-of-trunk-assistance-exoskeleton-100599475",false,"NCT07084974","Evaluation of Trunk Assistance Exoskeleton","Choosing a Trunk Assistance Exoskeleton: Issues of Cumulative Lumbar Loading, Muscle Fatigue, and Discomfort During Repetitive Lifting Tasks","Inclusion Criteria:\n\n* Being able to communicate in french\n\nExclusion Criteria:\n\n* Back pain in the last year\n* Back pain for more than a week in the years prior\n* Musculoskeletal injury in the last year\n* Trunk musculoskeletal system surgery in the last year\n* Scoliosis diagnostic\n* Systemic illness, degenerative disease or syndrome related to the trunk musculoskeletal or nervous system\n* Body mass index over 35 kg\u002Fm\\^2\n* History of neurological damage\n* Any contraindication to the practice of physical activity\n* Incapacity to perform the lifting task at the specified rythm\n* Medication with a negative impact on balance",true,"MALE","18 Years","65 Years",{"count":86,"type":87},20,"ESTIMATED","INTERVENTIONAL",[90],"NA","The goal of this interventional study is to evaluate the effect of three different designs of trunk assistance exoskeletons on cumulative lumbar load, trunk extensors' muscular fatigue and comfort in healthy volunteers. The main questions it aims to answer is: will exoskeletons reduce muscle fatigue and cumulative lumbar load. Participants will :\n\n* get each exoskeletons adjusted and then practice the lifting task and measurement sequence in a first session\n* perform a lifting task for 4 blocks of 20 minutes on different sessions for each exoskeleton, another session is performed without assistance.",[93],"Exoskeleton Device",[95,96,97,98,99,100,101],"exoskeleton","trunk assistance","cumulative lumbar load","muscular fatigue","lifting task","comfort","acceptability","2025-07-17",{"date":104,"type":105},"2025-07-25","ACTUAL",{"date":107,"type":105},"2025-06-04",{"date":109,"type":87},"2026-05-01",{"name":5,"class":6},1]