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Abstract

Purpose: The purpose of this study was to determine the effects of plyometric training on spinal and supraspinal motor control in healthy active females. Methods: A 2 (Group) x 2 (Session) x 2 (Stance) mixed model design was used for homosynaptic depression (HD) and recurrent inhibition (RI) data. A 2 (Group) x 2 (Session) mixed model design was used for H:M ratios and V-waves (V:M ratios) data. Thirty-one participants were recruited to participate in the study. Participants participated in either the training or control group for 6-weeks. All participants were measured pre- and post-intervention on H:M ratios, HD, RI, and V-waves. Results: There were no statistically significant interactions for any of the dependent variables (p > 0.05). There was a session main effect for RI (p = 0.01) as well as a group main effect (p = 0.01) and a stance main effect (p < 0.01) for HD. Conclusions: Performing plyometric training does not modulate the spinal or supraspinal motor control based on the findings of this study. Plyometric training is not the only component that should be used in Anterior Cruciate Ligament Injury Prevention Programs to alter motor control. A more challenging and higher impact plyometric exercises are suggested to allow more demand on the neural drive of the physically active participants.

Author Bio(s)

Jeffrey R. Doeringer PhD, ATC, is an Assistant Professor in the Athletic Training Education Program in the College of Health Care Sciences at Nova Southeastern University in Fort Lauderdale, FL. He is a Certified Athletic Trainer.

Sam Johnson PhD, ATC, is an Clinical Education Coordinator in the Athletic Training Education Program at Oregon State University in Corvallis, OR . He is a Certified Athletic Trainer.

Marc Norcross PhD, ATC, is an Assistant Professor in the Athletic Training Education Program at Oregon State University in Corvallis, OR. He is a Certified Athletic Trainer.

Mark Hoffman PhD, ATC, FNATA is a Vice Provost for International Programs at Oregon State University in Corvallis, OR. He is a Certified Athletic Trainer.

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