By relaxing antagonistic muscles you can reduce tension and facilitate faster and easier performance and avoid potential injury.
放宽你可以减少紧张与对立肌肉方便快捷容易表现和避免潜在伤害。
They now have the antagonistic and agonistic muscles working against each other, and this hurts their speed.
他们使促动肌与拮抗肌相互对抗，这损害了他们的速度。
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