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Postactivation Potentation Effects From Accommodating Resistance Combined With Heavy Back Squats on Short Sprint
Timothy P Wyland1, Joshua D Van Dorin, G Francis Cisco Reyes
11Human Performance Laboratory, Department of Exercise and Sport Science, Concordia University, Portland, Oregon; and 2School of Physical Therapy, College of Health and Human Sciences, Northern Illinois University, DeKalb, Illinois.
Accommodating resistance training, using elastic bands with back squats, significantly improved short sprint times post-exercise. This training method enhances neuromuscular potentiation for acute sprint performance enhancement.
Area of Science:
- Sports Science
- Exercise Physiology
- Biomechanics
Background:
- Accommodating resistance training combined with isoinertial resistance improves neuromuscular attributes.
- Short sprint performance is crucial for many sports.
Purpose of the Study:
- To investigate the acute effects of back squats with accommodating resistance on short sprint performance.
- To compare the effects of accommodating resistance versus traditional isoinertial resistance on sprint enhancement.
Main Methods:
- Twenty recreationally trained males performed 9.1-m sprints.
- Three conditions were tested: control (sit), traditional squats (STND), and squats with elastic bands (BAND).
- Sprint times were measured immediately and up to 4 minutes post-intervention.
Main Results:
- No significant changes in sprint time were observed in the control or traditional squat conditions.
- Sprint times significantly decreased from immediately post-intervention to 4 minutes post-intervention during the accommodating resistance (BAND) condition.
- Accommodating resistance demonstrated a significant postactivation potentiation effect on sprint performance.
Conclusions:
- Accommodating resistance exercises can acutely enhance short sprint performance.
- Coaches and athletes can utilize heavy accommodating resistance exercises in warm-ups to improve immediate sprint times.
- The unique properties of accommodating resistance may optimize postactivation potentiation for increased neuromuscular output.
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