The relationship between the height of the medial longitudinal arch (MLA) and the ankle and knee injuries in professional runners

Nakhaee, Z.; Rahimi, Abbas; Abaee, Mohammad Reza; Rezasoltani, Asghar; Kalantari, Khosro Khademi

doi:10.1016/j.foot.2008.01.004

Cited by 47 publications

(42 citation statements)

References 27 publications

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“…Navicular drop is often used as a measure of arch height37 and foot pronation 38. An inverse relationship exists between navicular drop and arch height such that an increased navicular drop leads to lower arch height.…”

Section: Discussionmentioning

confidence: 99%

Risk factors for medial tibial stress syndrome in physically active individuals such as runners and military personnel: a systematic review and meta-analysis

2014

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Medial tibial stress syndrome (MTSS) is a common injury in runners and military personnel. There is a lack of agreement on the aetiological factors contributing to MTSS, making treatment challenging and highlighting the importance of preventive efforts. Understanding the risk factors for MTSS is critical for developing preventive measures. The purpose of this systematic review and meta-analysis was to assess what factors put physically active individuals at risk to develop MTSS. Selected electronic databases were searched. Studies were included if they contained original research that investigated risk factors associated with MTSS, compared physically active individuals with MTSS and physically active individuals without MTSS, were in the English language and were full papers in peer-reviewed journals. Data on research design, study duration, participant selection, population, groups, MTSS diagnosis, investigated risk factors and risk factor definitions were extracted. The methodological quality of the studies was assessed. When the means and SDs of a particular risk factor were reported three or more times, that risk factor was included in the meta-analysis. There were 21 studies included in the systematic review and nine risk factors qualified for inclusion in the meta-analysis. Increased BMI (weighted mean difference (MD)=0.79, 95% CI 0.38 to 1.20, p<0.001), navicular drop (MD=1.19 mm, 95% CI 0.54 to 1.84, p<0.001), ankle plantarflexion range of motion (ROM; MD=5.94°, 95% CI 3.65 to 8.24, p<0.001) and hip external rotation ROM (MD=3.95°, 95% CI 1.78 to 6.13, p<0.001) were risk factors for MTSS. Dorsiflexion and quadriceps-angle were clearly not risk factors for MTSS. There is a need for high-quality, prospective studies using consistent methodology evaluating MTSS risk factors. Our findings suggest that interventions focused on addressing increased BMI, navicular drop, ankle plantarflexion ROM and hip external rotation ROM may be a good starting point for preventing and treating MTSS in physically active individuals such as runners and military personnel.

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Section: Discussionmentioning

confidence: 99%

Risk factors for medial tibial stress syndrome in physically active individuals such as runners and military personnel: a systematic review and meta-analysis

2014

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“…Hz was used to measure the postural sway parameters, including COP path length and COP area, and symmetry in weight bearing, which is assessed on the basis of the plantar pressure distribution. The validity of this system has been proven in several studies (19,28). The pedobarograph system has a high intra-class correlation coefficient (ICC > 90%), indicating good repeatability and reliability (29,30).…”

Section: Laboratory Outcome Measuresmentioning

confidence: 91%

Effects of a Task-Oriented Exercise Program on Balance in Patients with Hemiplegia Following Stroke

Arabzadeh

Goljaryan

Salahzadeh

et al. 2016

Iran Red Crescent Med J

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Background:One of the most common disabilities after stroke is impaired balance, so improving balance is essential for performing daily activities through rehabilitation. A task-oriented exercise program is an effective approach to improving balance. Objectives:The aim of this study was to investigate the effects of a task-oriented exercise program on balance in patients with hemiplegia following stroke. Iranian patients with hemiplegia following stroke were randomly assigned to experimental (n = 10) and control groups (n = 10). The experimental group received a 4-week task-oriented exercise program, and the control group received 4-week conventional physiotherapy, respectively. The patients were evaluated before and after the exercise intervention. Clinical measures included the Berg Balance Scale (BBS) while laboratory measures included the plantar pressure distribution, the center of pressure path length (COP path length), and the center of pressure confidence ellipse area (COP area). Results:Significant improvement was observed in the BBS after completion of the exercise program in both the experimental and the control groups (50.5 ± 1.08 and 46.8 ± 3.96, P < 0.05, respectively). Significant improvement was showed in the COP path length and area after the task-oriented exercise program (171.14 ± 52.15 and 65.44 ± 69.79, P < 0.01, respectively). The COP area also improved after completion of conventional therapy (114.9 ± 88.99, P < 0.05), but the COP path length in the conventional therapy group and the plantar pressure distribution in both groups were not improved significantly after treatment (P > 0.05). The BBS, COP path length, and COP area improved significantly in the experimental group compared to the control group following intervention (P < 0.05). Conclusions:A task-oriented exercise program is associated with an improvement in balance in patients with hemiplegia following stroke.

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“…8(a) depicts the seven sub-regions of the outsole which are conventionally used to evaluate the regional peak pressures resulting from the collision between the outsole and the ground. The experimental results were obtained by the traditional EMED testing method [22]. Referring to Fig.…”

Section: Numerical Experimentsmentioning

confidence: 99%

Landing impact analysis of sports shoes using 3-D coupled foot-shoe finite element model

et al. 2009

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The rapid spread of various sports games has changed the role of shoes from the simple protection of human feet to more advanced ones like competency improvement. Accordingly, intensive research efforts are being focused on the development of high-competency sports shoes by taking kinesiology and biomechanics into consideration. However, the success of this goal depends definitely on the reliable evaluation of the main functions required for sports shoes. As the first part of our study on the landing impact analysis of court sports shoes, this paper introduces a coupled foot-shoe finite element model in order to fully reflect the mutual interaction between the foot and the shoe, not relying on traditional independent field experiments any more. Through illustrative numerical experiments, we assess the reliability of the proposed coupled FEM model by comparing with the experimental results and investigating the fundamental landing impact characteristics of sports shoes.

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The relationship between the height of the medial longitudinal arch (MLA) and the ankle and knee injuries in professional runners

Cited by 47 publications

References 27 publications

Risk factors for medial tibial stress syndrome in physically active individuals such as runners and military personnel: a systematic review and meta-analysis

Risk factors for medial tibial stress syndrome in physically active individuals such as runners and military personnel: a systematic review and meta-analysis

Effects of a Task-Oriented Exercise Program on Balance in Patients with Hemiplegia Following Stroke

Landing impact analysis of sports shoes using 3-D coupled foot-shoe finite element model

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