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Master of Shiko training: Japanese traditional all-purpose training
Single (Softcover) BAB Japan / Sumo wrestler becomes incredibly strong just by shiko!
What is the special reason for that!?
A super-theoretical and super-skilled former Sumo wrestler explores from multiple angles: no one knew, but shiko training has made strong individuals—the true meaning!
It wasn't squats or stretches!
Shiko has significant effects that can be achieved without raising the foot high or stomping hard.
That is, "working on deep muscles and connecting the whole body."
The truth behind shiko training, which has been rarely discussed, is revealed because it's not as straightforward as strength training!
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