The aim of this study was to compare the effects of an ankle brace, functional taping, and no prophylactic method on maximum inversion angle, inversion velocity, peroneus longus reaction time, and subjective perception of instability during a simulated inversion task in adolescent basketball players with chronic ankle instability. It is hypothesised that the use of these prophylactic methods will result in better outcomes across the analysed variables, potentially contributing to a reduced risk of inversion sprains.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
14
The ankle brace model used in this study was the STRONG 500 ankle brace (TARMAK, Tourcoing, France). The ankle brace was applied in accordance with the manufacturer's guidelines.
Functional taping was performed using pre-tape and tape (3.8 cm x 10 cm) from the WolfCare brand (Caxias, Portugal).
Escola Superior de Saúde do Alcoitão
Lisbon, Cascais, Portugal
Maximum inversion
Highest point of inversion reached after the onset of the inversion. Calculated by determining the absolute difference between the amplitude at the onset of inversion and the point at which the foot reached its maximum inversion (in degrees)
Time frame: From the onset of inversion to the point of maximum inversion.
Inversion Velocity
Was calculated from the moment the inversion began until the point at which the mechanical response for eversion started (in degree per second)
Time frame: During the inversion-to-eversion movement.
Reaction Time of the Peroneus Longus
Refers to the duration it took for the muscle to initiate contraction following the onset of inversion (in milliseconds)
Time frame: From the onset of inversion to the initiation of muscle contraction.
Subjective Perception of Instability
Refers to the sensation that the ankle feels unstable or at risk of giving way during physical activities
Time frame: Immediately after the inversion test.
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