Please use this identifier to cite or link to this item: http://hdl.handle.net/10497/22121
Title: 
Authors: 
Issue Date: 
2018
Citation: 
Heng, M. L., Priathashini Krishnasamy & Kong, P. W. (2018). First ray mobility and Posterior Tibial Tendon Dysfunction (PTTD) in persons with flatfoot: A case control study. The Foot, 37, 57-60. https://doi.org/10.1016/j.foot.2018.08.001
Abstract: 
Background: While posterior tibial tendon dysfunction (PTTD) commonly presents with flat feet, many flat-footed individuals are asymptomatic and do not experience any symptoms of PTTD. Thus, there is a need to control for foot type when studying factors related to PTTD. This study aimed to clarify if first ray mobility differed between flat-footed individuals with and without symptoms of PTTD. It was hypothesized that PTTD patients would display higher mobility of the first ray than asymptomatic flat-footed controls.
Methods: Given that PTTD patients were often flat footed, asymptomatic flat-footed individuals were chosen as controls to remove flat foot as a potential confounding factor. We recruited 32 flat-footed subjects, of which 16 exhibiting PTTD symptoms 14 and 16 asymptomatic controls matched for age, sex and body mass index. First ray mobility was assessed using subjective classification (“stiff”, “normal” or “hypermobile”) and maximum dorsal displacement using a ruler indicator. Mann-Whitney U was used to test for between-groups differences.
Results: Subjective classification was similar between PTTD and control groups (both groups: 38% “normal” joint mobility). No significant differences were found between PTTD patients and asymptomatic controls in first ray displacement [median (IQR), PTTD: 6.00 (1.75) mm; control: 6.00 (1.00) mm; P = .31].
Conclusions: First ray mobility was not associated with PTTD in flat-footed persons. When evaluating symptoms of PTTD, clinicians should pay attention to factors other than first ray mobility.
Description: 
This is the final draft, after peer-review, of a manuscript published in The Foot. The published version is available online at https://doi.org/10.1016/j.foot.2018.08.001
URI: 
ISSN: 
0958-2592
Other Identifiers: 
10.1016/j.foot.2018.08.001
Related Source: 
The dataset for this journal article is available in the NIE Data Repository at https://doi.org/10.25340/R4/XQE9LF
Appears in Collections:Journal Articles

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