Axial rotation of the first metatarsal head in a normal population and hallux valgus patients.

@article{Mortier2012AxialRO,
  title={Axial rotation of the first metatarsal head in a normal population and hallux valgus patients.},
  author={J-P Mortier and J. L. Bernard and Michel Maestro},
  journal={Orthopaedics & traumatology, surgery & research : OTSR},
  year={2012},
  volume={98 6},
  pages={677-83}
}
HYPOTHESIS Does metatarsal pronation exist and, if so, what is its impact? INTRODUCTION Hallux valgus is a deformity associating angulation and a rotational component. The present study sought to investigate the nature and origin of the coronal plane displacement. MATERIALS AND METHODS A prospective single-center radiological and anatomic study was conducted on 100 feet operated on for hallux valgus. Baseline X-ray determined the preoperative position of the 1st metatarsal head in the… CONTINUE READING

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A prospective single - center radiological and anatomic study was conducted on 100 feet operated on for hallux valgus .
A prospective single - center radiological and anatomic study was conducted on 100 feet operated on for hallux valgus .
Hallux structureDirect part ofFoot
A prospective single - center radiological and anatomic study was conducted on 100 feet operated on for hallux valgus .
Hallux structureRegional part ofFoot
A prospective single - center radiological and anatomic study was conducted on 100 feet operated on for hallux valgus .
Hallux structureAnatomic structure is physical part ofFoot
A prospective single - center radiological and anatomic study was conducted on 100 feet operated on for hallux valgus .
PronationSibling in is aSupination
The range of motion ( ROM ) of the cuneometatarsal joint in pronation - supination was measured peroperatively .
Cuneometatarsal rotational ROM was determined by adding peroperative ROM in pronation ( mean , 9.3° ; range , 0°-30° ) and in supination ( mean , 8.7° ; range , 0°-20° ) .
In hallux valgus , 1st ray pronation appears to be systematic , in contrast to the typical supination found in the general population .
SupinationSibling in is aPronation
In hallux valgus , 1st ray pronation appears to be systematic , in contrast to the typical supination found in the general population .
The range of motion ( ROM ) of the cuneometatarsal joint in pronation - supination was measured peroperatively .
Cuneometatarsal rotational ROM was determined by adding peroperative ROM in pronation ( mean , 9.3° ; range , 0°-30° ) and in supination ( mean , 8.7° ; range , 0°-20° ) .
The range of motion ( ROM ) of the cuneometatarsal joint in pronation - supination was measured peroperatively .
Cuneometatarsal rotational ROM was determined by adding peroperative ROM in pronation ( mean , 9.3° ; range , 0°-30° ) and in supination ( mean , 8.7° ; range , 0°-20° ) .
In hallux valgus , 1st ray pronation appears to be systematic , in contrast to the typical supination found in the general population .
In hallux valgus , 1st ray pronation appears to be systematic , in contrast to the typical supination found in the general population .
The range of motion ( ROM ) of the cuneometatarsal joint in pronation - supination was measured peroperatively .
Cuneometatarsal rotational ROM was determined by adding peroperative ROM in pronation ( mean , 9.3° ; range , 0°-30° ) and in supination ( mean , 8.7° ; range , 0°-20° ) .
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