The aim is to study the effectiveness of a common osteopathic intervention in professional handball players on diaphragmatic contractility and its correlations with posture. This study has never been done in healthy subjects. It is a scientific process of objectification of an osteopathic technique commonly performed in this population. The main objective is to assess diaphragmatic contractibility using ultrasound after abdominal osteopathic intervention (OMT).
The context is that of optimizing the performance of professional handball players. The aim is to study the effectiveness of a common osteopathic intervention in professional handball players on diaphragmatic contractility and its correlations with posture. This study has never been done in healthy subjects. It is a scientific process of objectification of an osteopathic technique commonly performed in this population. The main objective is to assess diaphragmatic contractibility after abdominal osteopathic intervention (OMT). The secondary objective is to evaluate the impact of this manual intervention in professional handball players on: * other diaphragmatic ultrasound data * on spirometry * postural control Prospective pilot non-interventional controlled monocentric study opened in healthy male and female International players who are part of the French Handball team. Approach to objectification of current practice.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
OTHER
Masking
NONE
Enrollment
20
The subject sits on the examination table for the manual osteopathic intervention. The expert osteopath, having no report from the sonographers, will manually test breathing diaphragmatic and will bring osteopathic manual treatment to the area of mobility restriction
Maison du Handball
Créteil, France
Variation in the fraction of diaphragm thickening (right and left) measured on ultrasound before and after the procedure
The subject undergoes the ultrasound which will investigate the contractility of the diaphragm muscle. Two expert sonographers from G-ECHO will perform the ultrasound on each of the athletes, and note 3 successive measurements to check the stability of the results.
Time frame: Day 1
expiratory diaphragmatic thickness
expiratory diaphragmatic thickness will be measured by echography (mm) after manual abdominal osteopathic intervention
Time frame: Day 1
Variation of the Forced Vital Capacity (FVC) measured in spirometry before and after the intervention
The subject performs spirometry while standing with a Spirobank spirometer. 3 successive measurements keeping only the highest value.
Time frame: Day 1
Postural analysis
postural analysis will be perform using Cyber-Sabot type platform. the measurements will be done at day 1 before manual abdominal osteopathic intervention and at day 2
Time frame: Day 2
Inspiratory diaphragmatic thickness
Inspiratory diaphragmatic thickness will be measured by echography (mm) after manual abdominal osteopathic intervention
Time frame: day 1
diaphragmatic contraction velocity
Diaphragmatic contraction velocity is expressed in % will be measured by echography after manual abdominal osteopathic intervention
Time frame: day 1
diaphragmatic amplitude
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Diaphragmatic amplitude is expressed in mm and will be measured by echography after manual abdominal osteopathic intervention
Time frame: day 1