Abstract
Background:Muscle fatigue affects the precision of the subjects’ performance and limits the range of physical and sports activities. There is limited scientific evidence to support the use of soft tissue manipulation for enhancing muscle performance and its recovery. The aim of this study is to compare the effects of soft tissue manipulation and rest on the knee extensor muscle fatigue after maximal isokinetic contractions.Methods:Fifteen healthy females 20–30 years of age were selected for this research. This study implemented a semi-experimental test–retest measurement method. The subjects then either rested or received soft tissue manipulation on the knee extensors for a duration of 15 min. After intervention (soft tissue manipulation or rest), the parameters were evaluated for the third time.Results:The stability of the average of peak torque (APT), average power (AP), and visual analog scale (VAS) before performing fatigue protocol was 85%, 83%, and 31.9%, respectively. The stability after fatigue was 43%, 50%, and 93%, respectively. After maximal fatigue and a decrease in torque output to below 50% maximal torque, 15 min of soft tissue manipulation could change the APT after fatigue from a mean of 58.3 (nm) to 91.5 (nm), the AP from 39.4 to 63.6 (nm/s), and the VAS, from 90.0 to 12 (mm). But 15 min of rest could change the APT from 52.5 to 68.1 (nm), the AP from 37.6 to 48 (nm/s), and the VAS from 90.0 to 27.3 (mm).Conclusion:The study showed that soft tissue manipulation was more effective than rest as a strategy to return muscles to a normal state and caused more relief in perceived fatigue.
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