Plantar fasciitis is one of the most common musculoskeletal conditions in distance runners. 44% of patients still had the symptoms after 15 years from the first onset. The chronicity of the condition may lead to significant limitations on daily activities and even cessation of running. In the concept of foot core system, the intrinsic foot muscles work together with plantar fascia to stabilize the foot arches and provide dynamic support to the foot during functional activities. Given that the intrinsic foot muscles also play an important role as a direct sensors of foot deformation, postural control may be compromised during pathological state. Therefore, this study aim to investigate the differences in the muscle thickness and cross-sectional area of intrinsic foot muscles and postural control in runners with and without plantar fasciitis. We hypothesized that runners with plantar fasciitis demonstrate small intrinsic foot muscles sizes and poor postural control when compared with the asymptomatic counterparts.
Age range
18 Years – 60 Years
Sex
ALL
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Muscle thickness (MT) of Abductor Hallucis (AbH), Flexor Hallucis Brevis (FHB), Flexor Digitorum Brevis (FDB), Quadratus Plantae (QP)
Timeframe: baseline
Cross sectional area (CSA) of Abductor Hallucis (AbH), Flexor Hallucis Brevis (FHB), Flexor Digitorum Brevis (FDB), Quadratus Plantae (QP)
Timeframe: baseline
postural control
Timeframe: baseline
Visual Analog Scale (VAS) pain at first steps in the morning
Timeframe: baseline
Visual Analog Scale (VAS) worst pain of the day
Timeframe: baseline
Foot and Ankle Ability Measure (FAAM)
Timeframe: baseline
Foot Function Index revised short form (FFI-RS)
Timeframe: baseline