Muscle endurance will be evaluated on two exercises: Biering-Sorensen Test and Prone Plank Test. Each test will be assessed in different days following a randomized order.
All patients will be encouraged to achieve the maximum time to task failure, stopped only by muscular fatigue or pain precluding to maintain the position. Each exercise will perform under two conditions. On the control condition, the patients will perform both tests without any cognitive condition, while on the experimental condition they will be instructed to perform both tests while performing a mathematical subtracting task (starting at 300, by sevens). The starting condition will be randomly assigned with a 5-minute rest prior to the next condition. Time to task failure and pain perception using a visual analog scale will be assessed.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE
Enrollment
15
All patients will be encouraged to achieve the maximum time to task failure, stopped only by muscular fatigue or pain precluding to maintain the position.
Hospital Clínico La Florida
Santiago, Chile
Time to task failure
Time in seconds from 0 to failure, where higher values represent a best muscle endurance.
Time frame: through study completion, an average of 2 week
Pain evaluation
Pain will be measured by the Visual Analog Scale for pain (VAS) from 0 to 10, where higher values represent a worse outcome.
Time frame: through study completion, an average of 2 week
Pain Interference: Kinesiophobia
Kinesiophobia will be evaluated by Tampa Scale for Kinesiophobia (TSK-11SV) (Spanish adaptation. Gómez-Pérez, López-Martínez y Ruiz-Párraga, 2011). Scoring: Items are summed, with a total score from 11-44 and higher values represent a worse outcome (more pain interference in behavior).
Time frame: through study completion, an average of 2 week
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