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If I want to improve my marathon time, Ill need a strong core to build a strong foundation.
What muscles do cycling Russian twists work?
By the 30th rep, my body (AKA my abs) was asking me for a break.
Similarly, my brain was telling me to stop.
This is a feeling I am used to from training to run longer distance events like the marathon.
This is to be expected; healthy and sustainable physical changes take longer.
However, you don’t need to do 70 of the same exercise to get results.
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