Abstract
Functional ankle instability (FAI) represents 40–75% of residual disability after acute lateral ankle sprain. FAI has been associated with impaired muscle strength and postural and neuromuscular control. The aim of this study was to investigate the association between FAI and lumbar proprioception. Thirty individuals of both sexes (17 female and 13 male) were selected. The FAI group included 15 participants (nine female and six male) and the control group included 15 normal individuals (eight female and seven male). Lumbar proprioception was assessed using the Biodex system 3 pro isokinetic dynamometer. There was a significant increase in repositioning error in the FAI group compared with the control group (P<0.001). There was an association between FAI and an increase in lumbar reposition error compared with healthy individuals. This effect should be considered in the rehabilitation protocol of patients with FAI.
Highlights
Proprioception is thought to have a key role in maintaining normal spinal movement and stability
Patients and methods This study was conducted in the isokinetic laboratory of the Faculty of Physical Therapy, Cairo University, during the duration from September 2015 to November 2015 to investigate the association between Functional ankle instability (FAI) and lumbar proprioception
There was a significant increase in lumbar repositioning error in FAI compared with healthy participants as the mean value in the FAI group was 3.44±1.38 and it was 1.7±0.76 in the control group (P
Summary
Proprioception is thought to have a key role in maintaining normal spinal movement and stability. Proprioception deficits are thought to cause a change in the neuromotor system and could alter dynamic spine stabilization and cause back posture instability [1,2]. Impaired proprioception may be a major risk factor for recurrent injuries even after the restoration of injured muscles and ligaments [3]. Deficits of proprioceptive are thought to be both a consequence and a cause of injury [4]. Functional ankle instability (FAI) represents 40–75% of residual disability after acute lateral ankle sprain. FAI has been associated with impaired muscle strength and postural and neuromuscular control. Purpose The aim of this study was to investigate the association between FAI and lumbar proprioception. The FAI group included 15 participants (nine female and six male) and the control group included 15 normal individuals (eight female and seven male). Lumbar proprioception was assessed using the Biodex system 3 pro isokinetic dynamometer
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