1. Existe-t-il une corrélation entre la force de pronation-supination du côté dominant et celle du côté non dominant chez l’adulte sain droitier : résultats préliminaires
- Author
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P.-B. Rey, E. Jardin, Laurent Obert, and Julien Uhring
- Subjects
Orthodontics ,General Medicine ,Wrist ,Grip strength ,medicine.anatomical_structure ,Forearm ,Shoulder abduction ,medicine ,Orthopedics and Sports Medicine ,Surgery ,Statistical analysis ,Dominant side ,Elbow flexion ,Mathematics - Abstract
We searched the existence of a link between the strength of pronation and supination of the dominant forearm and those of the non-dominant one. Ninety-seven volunteers were tested in pronation and supination with an analog dynamometer. Gender, age, dominance, height and weight were recorded. The measurement position was: 90° of elbow flexion, 0° of shoulder abduction, wrist slightly extended and neutral pronation-supination. We took four measurements per patient: strength in pronation and supination, in both the dominant and non-dominant sides. Fifteen subjects were evaluated twice. The left-handed (4) were removed from the statistical analysis. There were 38 men (37 years, 18-66) and 55 women (45 years, 21-71). Torques were higher (P 0.6). Relating to the 15 subjects evaluated twice, the value of the forces varied during the day, but the ratio "non-dominant/dominant" was constant. The left-handed people were excluded, their values may be different from those of right-handers, as has been shown for grip strength. There was a strength variation during the day, but the ratio "non-dominant/dominant" was constant, making it more relevant intra-individual comparison (non-dominant side versus dominant side) rather inter-individual (based on charts of gender, age, weight and height). In the right-handed, the ratio "strength non-dominant side/dominant" is constant, defining easily in consultation the expected value of recovery of an injured forearm.
- Published
- 2014
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