[Purpose] External focus (EF) instructions demonstrate a learning effect on motorperformance enhancement. However, the effective EF distance during standing long jumpperformance of non-athletes has not been clarified. This study aimed to determine theeffects of EF at different distances on jumping performance. [Participants and Methods] Atotal of 40 non-athlete participants were randomly divided among four groups. The noattention line group performed a standing long jump without the attention line on thefloor; those in the −20-cm EF group, the ± 0-cm EF group, and +20-cm EF group performedthe jump attention line with an attention line 20-cm posterior, at ± 0 cm, and 20-cmanterior as the reference jump distances, respectively. [Results] The mean rate ofincrease between the first to second jump distances in the +20-cm EF group was higher thanthat in the no attention line group. The rates at which the jumpers reached the attentionline in the ± 0-cm EF group and the +20-cm EF group were lower than the rate in the −20-cmEF group. [Conclusion] Instructions are more effective when the distance to the attentionline exceeds jumping performance.
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