Physical Therapy Korea
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Fig. 4.
Fig. 4. Muscle activity of the rectus abdominis (RA) and erector spinae (ES) to forward and backward lunge. BLA, backward lunge ascending; BLD, backward lunge descending; FLA, forward lunge ascending; FLD, forward lunge descending; RVIC, reference voluntary isometric contraction. *p < 0.05.
Phys. Ther. Korea 2021;28:273~279
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