Characterization of Fingertips Using MRI Images (FINGERS-COMPRESSION)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

8 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-07-21

Study Completion Date

2015-07-24

Brief Summary

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The objectives was to obtain MRI images of the index finger of the subjects without loading and with loadings (normal and shear forces from 1 to 4N).

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Detailed Description

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Conditions

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Healthy

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Group no manual work or activity

Subject with an office or student job.

Group Type EXPERIMENTAL

Compression of the fingertip under MRI.

Intervention Type OTHER

Compression of the fingertip by a static loading on the phalanx distal of the index of the subjects; Then also a shear stress in the transverse direction of the finger. The data provided by the MRI images will be geometric information such as the thickness of the skin and its possible variation as a function of the area of the finger, the total thickness of soft tissues in compression as a function of the variation in l The angle between the axis of the phalanx and the plane of contact; Mechanical type information relating to the displacements and reaction forces, to the internal deformations of the different areas of the finger.

Group manual work

Subject working in a manual or predominantly manual.

Group Type SHAM_COMPARATOR

Compression of the fingertip under MRI.

Intervention Type OTHER

Compression of the fingertip by a static loading on the phalanx distal of the index of the subjects; Then also a shear stress in the transverse direction of the finger. The data provided by the MRI images will be geometric information such as the thickness of the skin and its possible variation as a function of the area of the finger, the total thickness of soft tissues in compression as a function of the variation in l The angle between the axis of the phalanx and the plane of contact; Mechanical type information relating to the displacements and reaction forces, to the internal deformations of the different areas of the finger.

Interventions

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Compression of the fingertip under MRI.

Compression of the fingertip by a static loading on the phalanx distal of the index of the subjects; Then also a shear stress in the transverse direction of the finger. The data provided by the MRI images will be geometric information such as the thickness of the skin and its possible variation as a function of the area of the finger, the total thickness of soft tissues in compression as a function of the variation in l The angle between the axis of the phalanx and the plane of contact; Mechanical type information relating to the displacements and reaction forces, to the internal deformations of the different areas of the finger.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Active voluntary healthy adult aged 18 to 65, affiliated to a social security scheme
* Stature between 170 and 179cm
* Body mass index (BMI) between 20 and 25
* No previous hand musculoskeletal disorders
* Cognitive level compatible with oral communication, adherence to instructions and understanding of gestures
* Having signed the consent to participate in the study

Exclusion Criteria

* the subject presents a neurological or orthopedic disorder ;
* the subject presents a pathology that could disturb the task ;
* the subject has an Magnetic Resonance Imaging (MRI) contraindication (wears a pacemaker, insulin pump, prothesis, etc, has claustrophobia, …)

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes