The Effect of Strength Training Using a Multi Hip Joint Board on Lumbar Erector Spinae

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  • マ ルチヒップジョイントボードを用いたストレングストレーニングが腰部脊柱起立筋に及ぼす影響
  • マルチヒップジョイントボード オ モチイタ ストレングストレーニング ガ ヨウブ セキチュウ キリツキン ニ オヨボス エイキョウ

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Abstract

We have previously reported that strength training using a Multi Hip Joint Board （MHJB） may increase the cross-sectional area（ CSA） of the psoas major（ PM） muscle and improve sprint performance. However, it is unclear how strength training with MHJB effects lumbar erector spinae（ ES） muscle. Therefore, we calculated the CSA of the ES from the magnetic resonance images of the trunk obtained in our research, and examined the effect of strength training using the MHJB on the ES CSA of malecollegiate sprinters. The results showed that the ES CSA in the MHJB training group increased significantly compared to the control group that received only regular training. These findings suggest that the MHJB training may be a strength training method that not only increases the PM CSA, but also the ES CSA.

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