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ISSN: 2161-0533
Orthopedic & Muscular System: Current Research
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Plantar Fasciitis: What Does the Evidence Show?

Leonardo Roever*

Department of Clinical Research, Federal University of Uberlândia, Brazil

*Corresponding Author:
Leonardo Roever
Department of Clinical Research
Federal University of Uberlândia
Av. Pará, 1720 - Bairro Umuarama
Uberlândia - MG - CEP 38400-902, Brazil
Tel: +553488039878
E-mail: [email protected]

Received Date: January 5, 2016 Accepted Date: January 19, 2016 Published Date: January 26, 2016

Citation: Roever L (2016) Plantar Fasciitis: What Does the Evidence Show?. Orthop Muscular Syst 5:e119. doi: 10.4172/2161-0533.1000e119

Copyright: © 2016 Roever L. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.

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Introduction

Plantar Fasciitis (PF) is caused by repetitive and excessive tensile stress applied to the PF, which leads to fibrosis and inflammatory and degenerative changes. The PF is a membrane that connects the heel bone and the toes, and has a thick structure with bonding strength. PF plays a complex role in the protection and support of the foot itself, and is also important for support of body weight [1-5].

There are several well-characterized causes of plantar fasciitis: A flat foot, a supinated foot, a tight Achilles tendon, age, excessive walking or standing, poorly cushioned footwear, obesity, occupations with prolonged standing, pes planus (flat feet), pes cavus (high-arched feet), overpronation (inward roll), weak plantar flexor and intrinsic muscles of the foot, running for exercise or competition and other conditions that reduce the shock-absorbing power of the feet. PF is painful, can alter daily activities and presents as a sharp pain localized to the plantar foot and medial heel [6].

The aetiology involves microtrauma to the plantar fascia, specifically at its insertion point on the calcaneus, has been speculated to be associated with weakness of the intrinsic foot muscles might contribute to PF by destabilizing the medial longitudinal arch. Patients who are excessive pronators or have reduced ankle dorsiflexion is also at a higher risk of developing PF [7-14].

Leeuwen et al. [15] and colleagues reported 51 studies (1 prospective, 46 case-control and 4 cross-sectional studies) evaluated a total of 104 variables. Higher Body Mass Index (BMI) (BMI>27, OR 3.7 (95% CI 2.93 to 5.62)) in patients with PF was the only significant clinical association, and its effect was the strongest in the non-athletic subgroup. In patients with PF compared to controls, pooled imaging data demonstrated a significantly thicker, hypoechogenic plantar fascia with increased vascular signal and perifascial fluid collection. In patients with PF were more likely to have a thicker loaded and unloaded heel fat pat, and bone findings, including a subcalcaneal spur and increased Tc-99 uptake. The evidence supports a range of bone and soft tissue abnormalities.

The authors found a consistent clinical association between higher BMI and plantar fasciopathy, and this association may differ between athletic and non-athletic subgroups.

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