A Study on the relation between height of medial longitudinal arch and sport injuries in lower limb

NewsBot · Apr 27, 2014

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A Study on the relation between height of medial longitudinal arch and sport injuries in lower limb of professional runners by using Navicular Drop and Arch Index clinical tests
Nahid Divandari, Mahdi Vakili
Am Sci 2014;10(3s):50-61]. (ISSN: 1545-1003). http://www.jofamericanscience.org.

Understanding foot-to-ground contact is not simple due to sophistication of its structure. Plantar pressure
measurement devices may be a proper device for determining foot structural situation. The results of the present
paper reveal that change in the foot structure, particularly the medial longitudinal arch, may increase probability of
injury. Association of pathologic biomechanical changes of foot with an activity such as running that increases the
ground reaction force up to 5 times more than the body weight is still among the most important discussed issues.
This paper is aimed at studying the effect of longitudinal arch of foot on the sport injuries in professional runners
and studying the relation between navicular drop clinical test and plantar pressure measurements (pedobarography).
47 professional runners were selected from Sabzevar City and divided into three groups namely, normal, low arched,
and high arched runners by using navicular drop test. Also by using emed-x system, maximum force, peak pressure,
and contact area parameters in two static and dynamic postures were measured and recorded. 2x test showed no
relation between running injuries and arch height (P=0.58). Correlation between navicular drop clinical test and
modified arch index calculated from pedobarography measurements in two static and dynamic postures was between
0.32 and 0.57. Due to multi factorial nature of running injuries, changes in the arch height may not increase risk of
injury. Although there was not a very high correlation between navicular drop test and plantar measurements, the
obtained correlation is a good correlation since this test is clinical. Despite prior studies differentiate static posture
(standing on both feet) from dynamic situation, but it seems that plantar pressure distribution in the static posture of
single limb support may have a great similarity with functional situation of walking.
Click to expand...

Craig Payne · Apr 27, 2014

NewsBot said: ↑

A Study on the relation between height of medial longitudinal arch and sport injuries in lower limb of professional runners by using Navicular Drop and Arch Index clinical tests
Nahid Divandari, Mahdi Vakili
Am Sci 2014;10(3s):50-61]. (ISSN: 1545-1003). http://www.jofamericanscience.org.
Click to expand...

Confusing study. Blogged here about it:
http://www.runresearchjunkie.com/overpronation-and-running-injury-risk/

Data appears to say one thing and the conclusion appears to say the opposite ... or did I miss something?

NewsBot · Jul 10, 2018

Comparison of Navicular Height in Females with and without Mechanical
Arch Foot Pain
Monika Sihag et al
International Journal of Health Sciences & Research Vol.8; Issue: 6; June 2018

Introduction: Medial longitudinal arch (MLA) and the position of foot is a risk factor for many foot
and lower extremity injuries. Navicular drop test is a reliable method to assess the optimal functioning
of MLA.
Objective: Compare the difference in navicular height in females with mechanical arch foot pain with
normal females.
Methodology: 50 participants were selected and were randomly allocated to two groups based on the
presence of mechanical arch foot pain into group A and B. In sitting position the navicular tuberosity
was palpated and the height of navicular tuberosity was measured from the ground.
Results: There was a significant difference in navicular height in females with mechanical arch foot
pain compared to normal females.
Conclusion: Navicular height measurement is an optimal method for assessing the functioning of
MLA that can be a causative factor for foot pain.
Implication: The position of foot and medial longitudinal arch can be a causative factor for foot pain
Click to expand...

Craig Payne · Jul 10, 2018

NewsBot said: ↑

Comparison of Navicular Height in Females with and without Mechanical
Arch Foot Pain
Monika Sihag et al
International Journal of Health Sciences & Research Vol.8; Issue: 6; June 2018
Click to expand...

WTF …. how do you "randomly allocate" ???

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Craig Payne Moderator

NewsBot The Admin that posts the news.

Craig Payne Moderator

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