It is interesting that how you hold your hands can really impact endurance running. That is the reason I asked for comments, just to make people aware.
Running around with a clinched hand isn't so good for going long. My thought is that when we really try to push, clinching the fist could happen naturally and carrying sticks would reduce that and make the runner aware of their hands more.
Suppose I did pose the question also because I think gripping the small sticks is less relaxed than just concentrating on keeping the hands open and relaxed.
Running can be boring so having a few cues such as listening to breathing, thinking about keeping relaxed hands/shoulders, good pelvis posture etc can help.
G.
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