The first metatarsocuneiform joint, hypermobility, and hallux valgus: What does it all mean?
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Cited by (26)
Correlation Analysis Between Clinical Hypermobility Measurement and Radiographic Parameters of the Hallux Valgus Deformity
2023, Journal of Foot and Ankle SurgeryHypermobility in Hallux Valgus
2020, Foot and Ankle ClinicsCitation Excerpt :Simons and colleagues contended the importance of the peroneus longus in maintaining medial longitudinal arch and claimed attention to the residual metatarsal rotation that may persist when the condition is not corrected via a TMT arthrodesis.12 One of the main efforts in research has been the debate over the hypermobility and its causality in relation to HV.8,27,44,52,57–61 The major arguments for the consequence theorists are the incapacity to predict and determine the instability (by clinical or radiographic signs) and its natural and passive resolution after any osteotomy or metatarsophalangeal (MTP) fusion (Fig. 9).
Increased recurrence in Scarf osteotomy for mild & moderate hallux valgus with Meary's line disruption
2019, Foot and Ankle SurgeryCitation Excerpt :In 1928 Dudley J Morton who worked as an anatomist in New York, introduced the circular debate of whether first ray hypermobility is a cause or effect of hallux valgus. Although research exists to support both sides of this argument [9], it is uncontroversial that there is an association between hypermobility of the 1st ray and hallux valgus. Association of course does not equate to causality.
Foot Biomechanics
2018, Atlas of Orthoses and Assistive Devices, Fifth EditionComparison of dorsal and dorsomedial displacement in evaluation of first ray hypermobility in feet with and without hallux valgus
2016, Foot and Ankle SurgeryCitation Excerpt :The first metatarso-cuneiform joint not only has mobility in the sagittal plane but also has a degree of pronation/supination during gait, explaining the association between a dorsal instability in the sagittal plane with an increase in the intermetatarsal angle in the transverse plane [25–27]. However, a recent study has suggested that a hallux valgus deformity may not be secondary to pre-existing hypermobility of the first ray but may actually exacerbate hypermobility due to the first metatarsal head escaping from its usual restraints, and the perceived dorsal hypermobility can be decreased by correction of the hallux valgus deformity [28]. Biomechanical studies have demonstrated triplanar motion of the first metatarso-cuneiform joint during gait; the biomechanical axis of the first metatarso-cuneiform joint motion is on a plane between 45° to 60° in a dorsomedial direction, thus allowing a movement of the first metatarsal head from a plantar-lateral to a dorsomedial position [29–31].
Functional restoration and risk of non-union of the first metatarsocuneiform arthrodesis for hallux valgus: A finite element approach
2015, Journal of BiomechanicsCitation Excerpt :The relationship between recurrent HV and hypermobile first ray is conceived (Scranton and McDermott, 1995). Clinically, hypermobility of the first ray is assessed by manual excursion which is inaccurate and unverifiable (Smith and Coughlin, 2008). It is difficult to assess the effect of an intervention aiming to reduce hypermobility.