Velocity Performance Feedback During Ballistic Training: Which Is the Optimal Frequency of Feedback Administration?
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This study explored the impact of different frequencies of knowledge of results (KR) on velocity performance during ballistic training. Fifteen males completed four identical sessions (three sets of six repetitions at 30% one-repetition maximum during the countermovement jump and bench press throw) with the only difference of the KR condition provided: no feedback, velocity feedback after the first half of repetitions of each set (HalfKR), velocity feedback immediately after each repetition (ImKR), and feedback of the average velocity of each set (AvgKR). When compared with the control condition, the ImKR reported the highest velocity performance (1.9–5.3%), followed by the HalfKR (1.3–3.6%) and AvgKR (0.7–4.3%). These results support the verbal provision of velocity performance feedback after every repetition to induce acute improvements in velocity performance.
Pérez-Castilla, Miras-Moreno, Rojas, and García-Ramos are with the Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, Granada, Spain. Jiménez-Alonso and Cepero are with the Department of Teaching Body Language, Faculty of Educational Sciences, University of Granada, Granada, Spain. García-Ramos is also with the Department of Sports Sciences and Physical Conditioning, Faculty of Education, CIEDE, Catholic University of the Most Holy Concepción, Concepción, Chile.
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