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Stay JC, Richard MD, Draper DO, et al. Pulsed ultrasound fails to diminish delayed-onset muscle soreness symptoms. J Athl Train. 1998;33(4):341-6
Stay, J. C., Richard, M. D., Draper, D. O., Schulthies, S. S., & Durrant, E. (1998). Pulsed ultrasound fails to diminish delayed-onset muscle soreness symptoms. Journal of athletic training, 33(4), 341-6.
Stay, J C, et al. "Pulsed ultrasound fails to diminish delayed-onset muscle soreness symptoms." Journal of athletic training vol. 33,4 (1998): 341-6.
Stay JC, Richard MD, Draper DO, Schulthies SS, Durrant E. Pulsed ultrasound fails to diminish delayed-onset muscle soreness symptoms. J Athl Train. 1998 Oct;33(4):341-6. PMID: 16558532; PMCID: PMC1320585.
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J Athl Train. 1998 Oct;33(4):341-6.

Pulsed ultrasound fails to diminish delayed-onset muscle soreness symptoms.

Journal of athletic training

J C Stay, M D Richard, D O Draper, S S Schulthies, E Durrant

Affiliations

  1. Tampa Bay Devil Rays, Tampa Bay, FL.

PMID: 16558532 PMCID: PMC1320585

Abstract

OBJECTIVE: We investigated the effects of pulsed ultrasound on swelling, muscle soreness perception, relaxed-elbow extension angle, and muscular strength.

DESIGN AND SETTING: Eight sets of concentric and eccentric actions induced delayed-onset muscle soreness of the elbow flexors. Group 1 received 20% pulsed ultrasound treatments (1-MHz, 7 minutes, 1.5 W/ cm(2) temporal peak intensity) twice a day immediately after postexercise assessments and at 3, 24, 27, 48, 51, 72, and 75 hours postexercise. Group 2 received sham treatments immediately after postexercise assessments and at 3,27, 51, and 75 hours postexercise and true treatments of pulsed ultrasound at 24, 48, and 72 hours postexercise. Group 3 received sham treatments of no ultrasonic output immediately after postexercise assessments and at 3, 24, 27, 48, 51, 72, and 75 hours postexercise.

SUBJECTS: Thirty-six college-age females.

MEASUREMENTS: We recorded upper-arm circumference, perceived soreness, relaxed-elbow extension angle, and elbow-flexion strength before (pretest), immediately postexercise, and at 24, 48, 72, and 96 hours postexercise.

RESULTS: We noted differences over time but no treatment effect between groups or interactions between time and group for upper-arm circumference, perceived soreness, relaxed-elbow extension angle, or elbow-flexion strength.

CONCLUSIONS: Pulsed ultrasound as used in this study did not significantly diminish the effects of delayed-onset muscle soreness on soreness perception, swelling, relaxed-elbow extension angle, and strength.

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