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- W2008920549 abstract "Core stability has received much attention for its role in optimizing athletic performance and injury prevention. Exercise-induced fatigue of core stabilizer muscles may potentially decrease athletic performance and increase the risk of injury. In order to study the effects of core fatigue, it is necessary to validate an exercise protocol which fatigues these muscles. PURPOSE To validate an exercise protocol which fatigues the core stabilizer muscles. METHODS Fifteen healthy competitive cyclists (13 males, 2 females; age: 34.5 ± 9.8 years; height: 1.77 ± 0.11 m; mass: 76.3 ± 11.1 kg) of similar training background participated in one testing session. Pre-fatigue data were recorded for subjects who performed 3 minutes of torso rotation at 120o/s on an isokinetic dynamometer. Subjects were then familiarized with a circuit of eight exercises designed to target core stabilizer muscles in multiple planes of motion. Each subject completed four sets of the exercise circuit, performing each exercise for 40s and resting for 20s for a total of 32 minutes. Post-fatigue data were collected on the dynamometer using the same protocol as the pre-fatigue. Peak torque (PT), total work (TW), average power (AP), maximum repetition total work (MRW), and average peak torque per repetition (APT) of the right and left side were averaged for both trials. Paired t-tests were used to compare pre-test and post-test data. RESULTS Significant decreases were observed for PT (96.8 ± 35.0 Nm vs. 67.4 ± 24.9 Nm, p<0.01), TW (6716.9 ± 2394.5 J vs. 4276.6 ± 1517.0 J, p<0.01), AP (74.9 ± 26.7 W vs. 46.6 ± 16.4 W, p<0.01), MRW (125.9 ± 50.6 W vs. 71.4 ± 29.7 W, p<0.01) and APT (68.71 ± 22.8 Nm vs. 48.1 ± 17.0 Nm, p<0.01). CONCLUSION Significant decreases in PT and MRW indicate the exercise protocol decreases maximal strength of core stabilizers. Significant decreases in TW, AP, and APT reflect decreased endurance performance of core stabilizers. This exercise circuit is valid for inducing core fatigue and this protocol may be used to further study the consequences of core fatigue." @default.
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- W2008920549 date "2005-05-01" @default.
- W2008920549 modified "2023-09-27" @default.
- W2008920549 title "Validation Of An Exercise Protocol To Fatigue Core Stabilizer Muscles" @default.
- W2008920549 doi "https://doi.org/10.1097/00005768-200505001-00980" @default.
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