Effect of Induced Trunk Extensors Fatigue on Balance and Lumbar Position Sense in Adolescents

"* Students shouldn't perform any vigorous activity a day before assessment.~* Frist, therapist will request from each participant to watch videos to understand how the test should be applied.~* The starting position will be a half prone lying on a plinth with the superior edge of the iliac crest horizontal at the edge of the plinth and the arms crossed over the chest.~* The participant should keep the unsupported upper part of the body.~* The lower limbs will strategically be stabilized with straps.~* The participant will be asked to maintain the upper body in a horizontal position and the timer started.~* The test ends if the participant can maintain the previous position for 4 minutes (240 seconds) or can no longer maintain the set position before 4 minutes elapses. The stop time is recorded.~* There is considerable range of mean fatigue times reported for the Biering-Sørensen test in the literature ranging from 84s to 180s in healthy males."