Healthy Volunteers
Conditions
Keywords
Dynamometer mechanic, Strength of prehension, Comparison, Device, Diagnosis, Healthy Volunteers
Brief summary
The main objective of this work is to validate the dynamometer LABIN in comparison with the technique of gold-standard reference JAMAR, in a healthy population. The infringement of the prehension is frequent and impacts on the social and professional quality of life of the patients. There are numerous instruments measuring the strength of prehension. The JAMAR is a mechanical, hydraulic dynamometer, exploring in kilograms the maximal strength of the prehension. It is at present Gold Standard for the measure of the strength of prehension. There is for the moment no electronic known instrument exploring the endurance of the strength of prehension during an effort of tightening. This parameter would indeed be interesting for the exploration in geriatrics and in the neuromuscular pathologies. This study justifies itself by the fact that the dynamometer LABIN should allow the evaluation of the muscular endurance of the strength of hand as complement of the peak of strength
Detailed description
Measure of the strength of prehension with JAMAR and LABIN according to the following protocol: * Position: the subject sits comfortably on a chair without armrests, feet put on the ground, the pond at the bottom of the seat, the hips and the knees in 90 ° of flexion, shoulder in adduction and neutral rotation, the elbow bent in 90 °, forearm in neutral position, the wrist between 0 and 30 ° of extension and between 0 and 15 ° of slope ulnaire. The dynamometer is vertically presented and in front of the forearm to maintain the standardized positions. * Test: regulation of the zero by making a vacuous acquisition during 5 seconds. The order Jamar then Labin or Labin then Jamar is chosen by randomization. The operator encourages the subject to every test. The subject does not see the curve displaying. * Test: 3 clampings of a handle of a dynamometer LABIN by the right hand during 5 seconds, with a break of 30 seconds between the tests. After 2 minutes of break the subjects make 3 clampings with a left hand. After that , the same session is realized with the dynamometer JAMAR The order Jamar then Labin or Labin then Jamar is chosen by randomization. The operator encourages the subject to every test. The subject does not see the curve displaying. Total duration of participation in the study for the patient: 30 minutes Main analysis: the calculation of the coefficient of correlation (Pearson or Spearman with regard to the statistical distribution), coefficient of linen concordance and the coefficient of intra-classy correlation.
Interventions
DEVICEDynamometer LABIN
LABIN is a prototype of dynamometer containing a handle of metal strength, connected with a sensor of pressure registering(recording) the applied strength and transmitting the data in a computer showing an IT curve of the strength according to time.
Sponsors
Department Physical Measures
University Hospital, Clermont-Ferrand
Study design
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
DIAGNOSTIC
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
20 Years to 60 Years
Healthy volunteers
Yes
Inclusion criteria
* Age : \> 20 years and \<60 years * Professionally active * Right-handed(right-wing) or left-handed person * Volunteer * Subjects have given its consent in writing to participate in the study
Exclusion criteria
* Subjects with a trauma or surgery of the upper limb * Subjects with a diabetes * Subjects with a dysthyroïdie * Subjects with a neurological disease * Subjects with a syndrome canalaire of the upper limb * Subjects with a cutaneous disorders(confusions) of the cognitive upper
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Measure of the strength of prehension (in Kg). | at day 1 | measure of the strength of prehension in kilogram by using of the JAMAR ( hydraulic dynamometer), and the LABIN (electronic dynamometer provided with a sensor of pressure). |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| The comfort of the using the dynamometer LABIN | at day 1 | A note of discomfort on Simple Verbal Scale from 0 to 10 (max.) is attributed by the subject |
| muscular endurance, estimated by dynamometer LABIN preservation of the strength for the LABIN | at day 1 | Change from baselin in measure muscular endurance (The calculation of the horizontal length under the graphic curve which will be exploited by the colleagues of the IUT) |
Countries
France
Outcome results
None listed